From 8020171dbdfdde0b42fd4eeb9f38f26c2d38a8df Mon Sep 17 00:00:00 2001
From: Alex Bocharov <ab@cloudflare.com>
Date: Tue, 9 Jul 2024 11:38:01 -0500
Subject: [PATCH 1/5] Added hasher template parameter `H` for `Synchronizer`
 with `WyHash` as default.

This will speed up checksum calculation during writes.
---
 Cargo.lock          | 11 ++++++++++-
 Cargo.toml          |  2 +-
 src/synchronizer.rs | 25 ++++++++++++++-----------
 3 files changed, 25 insertions(+), 13 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 573259e..fddef37 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -222,8 +222,8 @@ dependencies = [
  "proptest",
  "rand",
  "rkyv",
- "seahash",
  "thiserror",
+ "wyhash",
 ]
 
 [[package]]
@@ -629,6 +629,15 @@ version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
 
+[[package]]
+name = "wyhash"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf6e163c25e3fac820b4b453185ea2dea3b6a3e0a721d4d23d75bd33734c295"
+dependencies = [
+ "rand_core",
+]
+
 [[package]]
 name = "wyz"
 version = "0.5.1"
diff --git a/Cargo.toml b/Cargo.toml
index c8fccf5..7a23f4c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,8 +14,8 @@ categories = ["os", "filesystem", "concurrency", "data-structures", "memory-mana
 bytecheck = { version = "~0.6.8", default-features = false }
 memmap2 = "0.7.0"
 rkyv = { version = "0.7.40", features = ["validation", "strict"] }
-seahash = "4.1.0"
 thiserror = "1.0.30"
+wyhash = "0.5.0"
 
 [dev-dependencies]
 proptest = "1.0.0"
diff --git a/src/synchronizer.rs b/src/synchronizer.rs
index ebba229..1540d47 100644
--- a/src/synchronizer.rs
+++ b/src/synchronizer.rs
@@ -3,17 +3,17 @@
 //! The `Synchronizer` offers a simple interface for reading and writing data from/to shared memory. It uses memory-mapped files and wait-free synchronization to provide high concurrency wait-free reads over a single writer instance. This design is inspired by the [Left-Right concurrency control technique](https://github.com/pramalhe/ConcurrencyFreaks/blob/master/papers/left-right-2014.pdf), allowing for efficient and flexible inter-process communication.
 //!
 //! Furthermore, with the aid of the [rkyv](https://rkyv.org/) library, `Synchronizer` can perform zero-copy deserialization, reducing time and memory usage when accessing data.
+use std::ffi::OsStr;
+use std::hash::{BuildHasher, BuildHasherDefault, Hasher};
+use std::time::Duration;
 
 use bytecheck::CheckBytes;
 use rkyv::ser::serializers::AllocSerializer;
 use rkyv::ser::Serializer;
 use rkyv::validation::validators::DefaultValidator;
 use rkyv::{archived_root, check_archived_root, Archive, Serialize};
-use seahash::SeaHasher;
-use std::ffi::OsStr;
-use std::hash::Hasher;
-use std::time::Duration;
 use thiserror::Error;
+use wyhash::WyHash;
 
 use crate::data::DataContainer;
 use crate::guard::{ReadGuard, ReadResult};
@@ -24,11 +24,13 @@ use crate::synchronizer::SynchronizerError::*;
 /// `Synchronizer` is a concurrency primitive that manages data access between a single writer process and multiple reader processes.
 ///
 /// It coordinates the access to two data files that store the shared data. A state file, also memory-mapped, stores the index of the current data file and the number of active readers for each index, updated via atomic instructions.
-pub struct Synchronizer {
+pub struct Synchronizer<H: Hasher + Default = WyHash> {
     /// Container storing state mmap
     state_container: StateContainer,
     /// Container storing data mmap
     data_container: DataContainer,
+    /// Hasher used for checksum calculation
+    build_hasher: BuildHasherDefault<H>,
 }
 
 /// `SynchronizerError` enumerates all possible errors returned by this library.
@@ -68,6 +70,7 @@ impl Synchronizer {
         Synchronizer {
             state_container: StateContainer::new(path_prefix),
             data_container: DataContainer::new(path_prefix),
+            build_hasher: BuildHasherDefault::default(),
         }
     }
 
@@ -111,7 +114,7 @@ impl Synchronizer {
         let state = self.state_container.state(true)?;
 
         // calculate data checksum
-        let mut hasher = SeaHasher::new();
+        let mut hasher = self.build_hasher.build_hasher();
         hasher.write(&data);
         let checksum = hasher.finish();
 
@@ -142,7 +145,7 @@ impl Synchronizer {
         let state = self.state_container.state(true)?;
 
         // calculate data checksum
-        let mut hasher = SeaHasher::new();
+        let mut hasher = self.build_hasher.build_hasher();
         hasher.write(data);
         let checksum = hasher.finish();
 
@@ -296,7 +299,7 @@ mod tests {
         assert!(!Path::new(&data_path_1).exists());
         assert_eq!(
             reader.version().unwrap(),
-            InstanceVersion(15768700985330904896)
+            InstanceVersion(8817430144856633152)
         );
 
         // check that first time scoped `read` works correctly and switches the data
@@ -315,7 +318,7 @@ mod tests {
         assert!(Path::new(&data_path_1).exists());
         assert_eq!(
             reader.version().unwrap(),
-            InstanceVersion(7331894278219651425)
+            InstanceVersion(1441050725688826209)
         );
 
         // check that another scoped `read` works correctly and switches the data
@@ -328,7 +331,7 @@ mod tests {
         assert_eq!(reset, false);
         assert_eq!(
             reader.version().unwrap(),
-            InstanceVersion(9949249822303202528)
+            InstanceVersion(14058099486534675680)
         );
 
         let entity = entity_generator.gen(200);
@@ -337,7 +340,7 @@ mod tests {
         assert_eq!(reset, false);
         assert_eq!(
             reader.version().unwrap(),
-            InstanceVersion(16072265150643592177)
+            InstanceVersion(18228729609619266545)
         );
 
         fetch_and_assert_entity(&mut reader, &entity, true);

From 6b24b1e4ddb3631c8486380788d05e7d79bf0c9f Mon Sep 17 00:00:00 2001
From: Alex Bocharov <ab@cloudflare.com>
Date: Tue, 9 Jul 2024 12:39:25 -0500
Subject: [PATCH 2/5] Added read/write benchmarks from `Synchronizer`.

---
 Cargo.lock              | 1088 +++++++++++++++++++++++++++++++++++++--
 Cargo.toml              |    6 +
 benches/synchronizer.rs |   64 +++
 3 files changed, 1116 insertions(+), 42 deletions(-)
 create mode 100644 benches/synchronizer.rs

diff --git a/Cargo.lock b/Cargo.lock
index fddef37..7cbf323 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,21 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "addr2line"
+version = "0.21.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
+dependencies = [
+ "gimli",
+]
+
+[[package]]
+name = "adler"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+
 [[package]]
 name = "ahash"
 version = "0.7.6"
@@ -13,12 +28,59 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "aho-corasick"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "anyhow"
+version = "1.0.86"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b3d1d046238990b9cf5bcde22a3fb3584ee5cf65fb2765f454ed428c7a0063da"
+
+[[package]]
+name = "arrayvec"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96d30a06541fbafbc7f82ed10c06164cfbd2c401138f6addd8404629c4b16711"
+
+[[package]]
+name = "atty"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
+dependencies = [
+ "hermit-abi 0.1.19",
+ "libc",
+ "winapi",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
+[[package]]
+name = "backtrace"
+version = "0.3.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
+dependencies = [
+ "addr2line",
+ "cc",
+ "cfg-if",
+ "libc",
+ "miniz_oxide",
+ "object",
+ "rustc-demangle",
+]
+
 [[package]]
 name = "bit-set"
 version = "0.5.3"
@@ -40,6 +102,12 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "bitflags"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
+
 [[package]]
 name = "bitvec"
 version = "1.0.1"
@@ -52,6 +120,12 @@ dependencies = [
  "wyz",
 ]
 
+[[package]]
+name = "bumpalo"
+version = "3.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
+
 [[package]]
 name = "bytecheck"
 version = "0.6.11"
@@ -74,12 +148,30 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "bytemuck"
+version = "1.16.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b236fc92302c97ed75b38da1f4917b5cdda4984745740f153a5d3059e48d725e"
+
 [[package]]
 name = "byteorder"
 version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
+[[package]]
+name = "bytes"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "514de17de45fdb8dc022b1a7975556c53c86f9f0aa5f534b98977b171857c2c9"
+
+[[package]]
+name = "cast"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"
+
 [[package]]
 name = "cc"
 version = "1.0.79"
@@ -92,6 +184,129 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "clap"
+version = "2.34.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a0610544180c38b88101fecf2dd634b174a62eef6946f84dfc6a7127512b381c"
+dependencies = [
+ "bitflags 1.3.2",
+ "textwrap",
+ "unicode-width",
+]
+
+[[package]]
+name = "cpp_demangle"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eeaa953eaad386a53111e47172c2fedba671e5684c8dd601a5f474f4f118710f"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
+name = "criterion"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b01d6de93b2b6c65e17c634a26653a29d107b3c98c607c765bf38d041531cd8f"
+dependencies = [
+ "atty",
+ "cast",
+ "clap",
+ "criterion-plot",
+ "csv",
+ "itertools",
+ "lazy_static",
+ "num-traits",
+ "oorandom",
+ "plotters",
+ "rayon",
+ "regex",
+ "serde",
+ "serde_cbor",
+ "serde_derive",
+ "serde_json",
+ "tinytemplate",
+ "walkdir",
+]
+
+[[package]]
+name = "criterion-plot"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2673cc8207403546f45f5fd319a974b1e6983ad1a3ee7e6041650013be041876"
+dependencies = [
+ "cast",
+ "itertools",
+]
+
+[[package]]
+name = "crossbeam-deque"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "613f8cc01fe9cf1a3eb3d7f488fd2fa8388403e97039e2f73692932e291a770d"
+dependencies = [
+ "crossbeam-epoch",
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-epoch"
+version = "0.9.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b82ac4a3c2ca9c3460964f020e1402edd5753411d7737aa39c3714ad1b5420e"
+dependencies = [
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.8.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22ec99545bb0ed0ea7bb9b8e1e9122ea386ff8a48c0922e43f36d45ab09e0e80"
+
+[[package]]
+name = "csv"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac574ff4d437a7b5ad237ef331c17ccca63c46479e5b5453eb8e10bb99a759fe"
+dependencies = [
+ "csv-core",
+ "itoa",
+ "ryu",
+ "serde",
+]
+
+[[package]]
+name = "csv-core"
+version = "0.1.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5efa2b3d7902f4b634a20cae3c9c4e6209dc4779feb6863329607560143efa70"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "debugid"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6ee87af31d84ef885378aebca32be3d682b0e0dc119d5b4860a2c5bb5046730"
+dependencies = [
+ "uuid 0.8.2",
+]
+
+[[package]]
+name = "either"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60b1af1c220855b6ceac025d3f6ecdd2b7c4894bfe9cd9bda4fbb4bc7c0d4cf0"
+
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
 [[package]]
 name = "errno"
 version = "0.3.1"
@@ -100,7 +315,7 @@ checksum = "4bcfec3a70f97c962c307b2d2c56e358cf1d00b558d74262b5f929ee8cc7e73a"
 dependencies = [
  "errno-dragonfly",
  "libc",
- "windows-sys",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -122,6 +337,24 @@ dependencies = [
  "instant",
 ]
 
+[[package]]
+name = "findshlibs"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "40b9e59cd0f7e0806cca4be089683ecb6434e602038df21fe6bf6711b2f07f64"
+dependencies = [
+ "cc",
+ "lazy_static",
+ "libc",
+ "winapi",
+]
+
+[[package]]
+name = "fixedbitset"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
@@ -145,6 +378,18 @@ dependencies = [
  "wasi",
 ]
 
+[[package]]
+name = "gimli"
+version = "0.28.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
+
+[[package]]
+name = "half"
+version = "1.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b43ede17f21864e81be2fa654110bf1e793774238d86ef8555c37e6519c0403"
+
 [[package]]
 name = "hashbrown"
 version = "0.12.3"
@@ -154,12 +399,83 @@ dependencies = [
  "ahash",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.14.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
+
+[[package]]
+name = "heck"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d621efb26863f0e9924c6ac577e8275e5e6b77455db64ffa6c65c904e9e132c"
+dependencies = [
+ "unicode-segmentation",
+]
+
+[[package]]
+name = "hermit-abi"
+version = "0.1.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "hermit-abi"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fed44880c466736ef9a5c5b5facefb5ed0785676d0c02d612db14e54f0d84286"
 
+[[package]]
+name = "home"
+version = "0.5.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3d1354bf6b7235cb4a0576c2619fd4ed18183f689b12b006a0ee7329eeff9a5"
+dependencies = [
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "indexmap"
+version = "1.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
+dependencies = [
+ "autocfg",
+ "hashbrown 0.12.3",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "168fb715dda47215e360912c096649d23d58bf392ac62f73919e831745e40f26"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.5",
+]
+
+[[package]]
+name = "inferno"
+version = "0.10.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de3886428c6400486522cf44b8626e7b94ad794c14390290f2a274dcf728a58f"
+dependencies = [
+ "ahash",
+ "atty",
+ "indexmap 1.9.3",
+ "itoa",
+ "lazy_static",
+ "log",
+ "num-format",
+ "quick-xml",
+ "rgb",
+ "str_stack",
+]
+
 [[package]]
 name = "instant"
 version = "0.1.12"
@@ -175,9 +491,33 @@ version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eae7b9aee968036d54dce06cebaefd919e4472e753296daccd6d344e3e2df0c2"
 dependencies = [
- "hermit-abi",
+ "hermit-abi 0.3.1",
  "libc",
- "windows-sys",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "itertools"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+dependencies = [
+ "either",
+]
+
+[[package]]
+name = "itoa"
+version = "1.0.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
+
+[[package]]
+name = "js-sys"
+version = "0.3.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29c15563dc2726973df627357ce0c9ddddbea194836909d655df6a75d2cf296d"
+dependencies = [
+ "wasm-bindgen",
 ]
 
 [[package]]
@@ -188,9 +528,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.146"
+version = "0.2.155"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f92be4933c13fd498862a9e02a3055f8a8d9c039ce33db97306fd5a6caa7f29b"
+checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c"
 
 [[package]]
 name = "libm"
@@ -204,6 +544,43 @@ version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ef53942eb7bf7ff43a617b3e2c1c4a5ecf5944a7c1bc12d7ee39bbb15e5c1519"
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.4.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78b3ae25bc7c8c38cec158d1f2757ee79e9b3740fbc7ccf0e59e4b08d793fa89"
+
+[[package]]
+name = "lock_api"
+version = "0.4.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07af8b9cdd281b7915f413fa73f29ebd5d55d0d3f0155584dade1ff18cea1b17"
+dependencies = [
+ "autocfg",
+ "scopeguard",
+]
+
+[[package]]
+name = "log"
+version = "0.4.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
+
+[[package]]
+name = "memchr"
+version = "2.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
+
+[[package]]
+name = "memmap2"
+version = "0.5.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83faa42c0a078c393f6b29d5db232d8be22776a891f8f56e5284faee4a20b327"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "memmap2"
 version = "0.7.0"
@@ -213,12 +590,32 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "memoffset"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5aa361d4faea93603064a027415f07bd8e1d5c88c9fbf68bf56a285428fd79ce"
+dependencies = [
+ "autocfg",
+]
+
+[[package]]
+name = "miniz_oxide"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8a240ddb74feaf34a79a7add65a741f3167852fba007066dcac1ca548d89c08"
+dependencies = [
+ "adler",
+]
+
 [[package]]
 name = "mmap-sync"
 version = "1.0.2"
 dependencies = [
  "bytecheck",
- "memmap2",
+ "criterion",
+ "memmap2 0.7.0",
+ "pprof",
  "proptest",
  "rand",
  "rkyv",
@@ -226,6 +623,35 @@ dependencies = [
  "wyhash",
 ]
 
+[[package]]
+name = "multimap"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5ce46fe64a9d73be07dcbe690a38ce1b293be448fd8ce1e6c1b8062c9f72c6a"
+
+[[package]]
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+version = "0.23.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f3790c00a0150112de0f4cd161e3d7fc4b2d8a5542ffc35f099a2562aecb35c"
+dependencies = [
+ "bitflags 1.3.2",
+ "cc",
+ "cfg-if",
+ "libc",
+ "memoffset",
+]
+
+[[package]]
+name = "num-format"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a652d9771a63711fd3c3deb670acfbe5c30a4072e664d7a3bf5a9e1056ac72c3"
+dependencies = [
+ "arrayvec",
+ "itoa",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.2.15"
@@ -236,12 +662,115 @@ dependencies = [
  "libm",
 ]
 
+[[package]]
+name = "object"
+version = "0.32.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a6a622008b6e321afc04970976f62ee297fdbaa6f95318ca343e3eebb9648441"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
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 version = "1.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
 
+[[package]]
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+checksum = "b410bbe7e14ab526a0e86877eb47c6996a2bd7746f027ba551028c925390e4e9"
+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d17b78036a60663b797adeaee46f5c9dfebb86948d1255007a1d6be0271ff99"
+dependencies = [
+ "instant",
+ "lock_api",
+ "parking_lot_core",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60a2cfe6f0ad2bfc16aefa463b497d5c7a5ecd44a23efa72aa342d90177356dc"
+dependencies = [
+ "cfg-if",
+ "instant",
+ "libc",
+ "redox_syscall 0.2.16",
+ "smallvec",
+ "winapi",
+]
+
+[[package]]
+name = "petgraph"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4c5cc86750666a3ed20bdaf5ca2a0344f9c67674cae0515bec2da16fbaa47db"
+dependencies = [
+ "fixedbitset",
+ "indexmap 2.2.6",
+]
+
+[[package]]
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+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a15b6eccb8484002195a3e44fe65a4ce8e93a625797a063735536fd59cb01cf3"
+dependencies = [
+ "num-traits",
+ "plotters-backend",
+ "plotters-svg",
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
+name = "plotters-backend"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "414cec62c6634ae900ea1c56128dfe87cf63e7caece0852ec76aba307cebadb7"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81b30686a7d9c3e010b84284bdd26a29f2138574f52f5eb6f794fc0ad924e705"
+dependencies = [
+ "plotters-backend",
+]
+
+[[package]]
+name = "pprof"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "55f35f865aa964be21fcde114cbd1cfbd9bf8a471460ed965b0f84f96c711401"
+dependencies = [
+ "backtrace",
+ "cfg-if",
+ "criterion",
+ "findshlibs",
+ "inferno",
+ "lazy_static",
+ "libc",
+ "log",
+ "nix",
+ "parking_lot",
+ "prost",
+ "prost-build",
+ "prost-derive",
+ "smallvec",
+ "symbolic-demangle",
+ "tempfile",
+ "thiserror",
+]
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.17"
@@ -249,32 +778,85 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
 [[package]]
-name = "proc-macro2"
-version = "1.0.60"
+name = "proc-macro2"
+version = "1.0.60"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dec2b086b7a862cf4de201096214fa870344cf922b2b30c167badb3af3195406"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4e35c06b98bf36aba164cc17cb25f7e232f5c4aeea73baa14b8a9f0d92dbfa65"
+dependencies = [
+ "bit-set",
+ "bitflags 1.3.2",
+ "byteorder",
+ "lazy_static",
+ "num-traits",
+ "rand",
+ "rand_chacha",
+ "rand_xorshift",
+ "regex-syntax 0.6.29",
+ "rusty-fork",
+ "tempfile",
+ "unarray",
+]
+
+[[package]]
+name = "prost"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "444879275cb4fd84958b1a1d5420d15e6fcf7c235fe47f053c9c2a80aceb6001"
+dependencies = [
+ "bytes",
+ "prost-derive",
+]
+
+[[package]]
+name = "prost-build"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62941722fb675d463659e49c4f3fe1fe792ff24fe5bbaa9c08cd3b98a1c354f5"
+dependencies = [
+ "bytes",
+ "heck",
+ "itertools",
+ "lazy_static",
+ "log",
+ "multimap",
+ "petgraph",
+ "prost",
+ "prost-types",
+ "regex",
+ "tempfile",
+ "which",
+]
+
+[[package]]
+name = "prost-derive"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dec2b086b7a862cf4de201096214fa870344cf922b2b30c167badb3af3195406"
+checksum = "f9cc1a3263e07e0bf68e96268f37665207b49560d98739662cdfaae215c720fe"
 dependencies = [
- "unicode-ident",
+ "anyhow",
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
 ]
 
 [[package]]
-name = "proptest"
-version = "1.2.0"
+name = "prost-types"
+version = "0.9.0"
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-checksum = "4e35c06b98bf36aba164cc17cb25f7e232f5c4aeea73baa14b8a9f0d92dbfa65"
+checksum = "534b7a0e836e3c482d2693070f982e39e7611da9695d4d1f5a4b186b51faef0a"
 dependencies = [
- "bit-set",
- "bitflags",
- "byteorder",
- "lazy_static",
- "num-traits",
- "rand",
- "rand_chacha",
- "rand_xorshift",
- "regex-syntax",
- "rusty-fork",
- "tempfile",
- "unarray",
+ "bytes",
+ "prost",
 ]
 
 [[package]]
@@ -303,6 +885,15 @@ version = "1.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 
+[[package]]
+name = "quick-xml"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8533f14c8382aaad0d592c812ac3b826162128b65662331e1127b45c3d18536b"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.28"
@@ -357,13 +948,65 @@ dependencies = [
  "rand_core",
 ]
 
+[[package]]
+name = "rayon"
+version = "1.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b418a60154510ca1a002a752ca9714984e21e4241e804d32555251faf8b78ffa"
+dependencies = [
+ "either",
+ "rayon-core",
+]
+
+[[package]]
+name = "rayon-core"
+version = "1.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1465873a3dfdaa8ae7cb14b4383657caab0b3e8a0aa9ae8e04b044854c8dfce2"
+dependencies = [
+ "crossbeam-deque",
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "redox_syscall"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
+dependencies = [
+ "bitflags 1.3.2",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "567664f262709473930a4bf9e51bf2ebf3348f2e748ccc50dea20646858f8f29"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
+]
+
+[[package]]
+name = "regex"
+version = "1.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b91213439dad192326a0d7c6ee3955910425f441d7038e0d6933b0aec5c4517f"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax 0.8.4",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38caf58cc5ef2fed281f89292ef23f6365465ed9a41b7a7754eb4e26496c92df"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax 0.8.4",
 ]
 
 [[package]]
@@ -372,6 +1015,12 @@ version = "0.6.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1"
 
+[[package]]
+name = "regex-syntax"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a66a03ae7c801facd77a29370b4faec201768915ac14a721ba36f20bc9c209b"
+
 [[package]]
 name = "rend"
 version = "0.4.0"
@@ -381,6 +1030,15 @@ dependencies = [
  "bytecheck",
 ]
 
+[[package]]
+name = "rgb"
+version = "0.8.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1aee83dc281d5a3200d37b299acd13b81066ea126a7f16f0eae70fc9aed241d9"
+dependencies = [
+ "bytemuck",
+]
+
 [[package]]
 name = "rkyv"
 version = "0.7.42"
@@ -389,13 +1047,13 @@ checksum = "0200c8230b013893c0b2d6213d6ec64ed2b9be2e0e016682b7224ff82cff5c58"
 dependencies = [
  "bitvec",
  "bytecheck",
- "hashbrown",
+ "hashbrown 0.12.3",
  "ptr_meta",
  "rend",
  "rkyv_derive",
  "seahash",
  "tinyvec",
- "uuid",
+ "uuid 1.3.3",
 ]
 
 [[package]]
@@ -409,18 +1067,37 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "rustc-demangle"
+version = "0.1.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f"
+
 [[package]]
 name = "rustix"
 version = "0.37.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b96e891d04aa506a6d1f318d2771bcb1c7dfda84e126660ace067c9b474bb2c0"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "errno",
  "io-lifetimes",
  "libc",
- "linux-raw-sys",
- "windows-sys",
+ "linux-raw-sys 0.3.8",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "rustix"
+version = "0.38.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc99bc2d4f1fed22595588a013687477aedf3cdcfb26558c559edb67b4d9b22e"
+dependencies = [
+ "bitflags 2.6.0",
+ "errno",
+ "libc",
+ "linux-raw-sys 0.4.14",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -435,18 +1112,118 @@ dependencies = [
  "wait-timeout",
 ]
 
+[[package]]
+name = "ryu"
+version = "1.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f"
+
+[[package]]
+name = "same-file"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
+dependencies = [
+ "winapi-util",
+]
+
+[[package]]
+name = "scopeguard"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
+
 [[package]]
 name = "seahash"
 version = "4.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1c107b6f4780854c8b126e228ea8869f4d7b71260f962fefb57b996b8959ba6b"
 
+[[package]]
+name = "serde"
+version = "1.0.185"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be9b6f69f1dfd54c3b568ffa45c310d6973a5e5148fd40cf515acaf38cf5bc31"
+
+[[package]]
+name = "serde_cbor"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bef2ebfde456fb76bbcf9f59315333decc4fda0b2b44b420243c11e0f5ec1f5"
+dependencies = [
+ "half",
+ "serde",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.164"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9735b638ccc51c28bf6914d90a2e9725b377144fc612c49a611fddd1b631d68"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.18",
+]
+
+[[package]]
+name = "serde_json"
+version = "1.0.109"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb0652c533506ad7a2e353cce269330d6afd8bdfb6d75e0ace5b35aacbd7b9e9"
+dependencies = [
+ "itoa",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "simdutf8"
 version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f27f6278552951f1f2b8cf9da965d10969b2efdea95a6ec47987ab46edfe263a"
 
+[[package]]
+name = "smallvec"
+version = "1.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
+
+[[package]]
+name = "stable_deref_trait"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
+
+[[package]]
+name = "str_stack"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9091b6114800a5f2141aee1d1b9d6ca3592ac062dc5decb3764ec5895a47b4eb"
+
+[[package]]
+name = "symbolic-common"
+version = "8.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f551f902d5642e58039aee6a9021a61037926af96e071816361644983966f540"
+dependencies = [
+ "debugid",
+ "memmap2 0.5.10",
+ "stable_deref_trait",
+ "uuid 0.8.2",
+]
+
+[[package]]
+name = "symbolic-demangle"
+version = "8.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4564ca7b4e6eb14105aa8bbbce26e080f6b5d9c4373e67167ab31f7b86443750"
+dependencies = [
+ "cpp_demangle",
+ "rustc-demangle",
+ "symbolic-common",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.109"
@@ -484,9 +1261,18 @@ dependencies = [
  "autocfg",
  "cfg-if",
  "fastrand",
- "redox_syscall",
- "rustix",
- "windows-sys",
+ "redox_syscall 0.3.5",
+ "rustix 0.37.20",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "textwrap"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
+dependencies = [
+ "unicode-width",
 ]
 
 [[package]]
@@ -509,6 +1295,16 @@ dependencies = [
  "syn 2.0.18",
 ]
 
+[[package]]
+name = "tinytemplate"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be4d6b5f19ff7664e8c98d03e2139cb510db9b0a60b55f8e8709b689d939b6bc"
+dependencies = [
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "tinyvec"
 version = "1.6.0"
@@ -536,6 +1332,24 @@ version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b15811caf2415fb889178633e7724bad2509101cde276048e013b9def5e51fa0"
 
+[[package]]
+name = "unicode-segmentation"
+version = "1.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4c87d22b6e3f4a18d4d40ef354e97c90fcb14dd91d7dc0aa9d8a1172ebf7202"
+
+[[package]]
+name = "unicode-width"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0336d538f7abc86d282a4189614dfaa90810dfc2c6f6427eaf88e16311dd225d"
+
+[[package]]
+name = "uuid"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
+
 [[package]]
 name = "uuid"
 version = "1.3.3"
@@ -557,19 +1371,145 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "walkdir"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29790946404f91d9c5d06f9874efddea1dc06c5efe94541a7d6863108e3a5e4b"
+dependencies = [
+ "same-file",
+ "winapi-util",
+]
+
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.92"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4be2531df63900aeb2bca0daaaddec08491ee64ceecbee5076636a3b026795a8"
+dependencies = [
+ "cfg-if",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.92"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "614d787b966d3989fa7bb98a654e369c762374fd3213d212cfc0251257e747da"
+dependencies = [
+ "bumpalo",
+ "log",
+ "once_cell",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.18",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.92"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1f8823de937b71b9460c0c34e25f3da88250760bec0ebac694b49997550d726"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.92"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e94f17b526d0a461a191c78ea52bbce64071ed5c04c9ffe424dcb38f74171bb7"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.18",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.92"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af190c94f2773fdb3729c55b007a722abb5384da03bc0986df4c289bf5567e96"
+
+[[package]]
+name = "web-sys"
+version = "0.3.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77afa9a11836342370f4817622a2f0f418b134426d91a82dfb48f532d2ec13ef"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "which"
+version = "4.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87ba24419a2078cd2b0f2ede2691b6c66d8e47836da3b6db8265ebad47afbfc7"
+dependencies = [
+ "either",
+ "home",
+ "once_cell",
+ "rustix 0.38.25",
+]
+
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-util"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4d4cc384e1e73b93bafa6fb4f1df8c41695c8a91cf9c4c64358067d15a7b6c6b"
+dependencies = [
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
 [[package]]
 name = "windows-sys"
 version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
 dependencies = [
- "windows-targets",
+ "windows-targets 0.48.0",
+]
+
+[[package]]
+name = "windows-sys"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+dependencies = [
+ "windows-targets 0.52.6",
 ]
 
 [[package]]
@@ -578,13 +1518,29 @@ version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7b1eb6f0cd7c80c79759c929114ef071b87354ce476d9d94271031c0497adfd5"
 dependencies = [
- "windows_aarch64_gnullvm",
- "windows_aarch64_msvc",
- "windows_i686_gnu",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
- "windows_x86_64_gnullvm",
- "windows_x86_64_msvc",
+ "windows_aarch64_gnullvm 0.48.0",
+ "windows_aarch64_msvc 0.48.0",
+ "windows_i686_gnu 0.48.0",
+ "windows_i686_msvc 0.48.0",
+ "windows_x86_64_gnu 0.48.0",
+ "windows_x86_64_gnullvm 0.48.0",
+ "windows_x86_64_msvc 0.48.0",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
+dependencies = [
+ "windows_aarch64_gnullvm 0.52.6",
+ "windows_aarch64_msvc 0.52.6",
+ "windows_i686_gnu 0.52.6",
+ "windows_i686_gnullvm",
+ "windows_i686_msvc 0.52.6",
+ "windows_x86_64_gnu 0.52.6",
+ "windows_x86_64_gnullvm 0.52.6",
+ "windows_x86_64_msvc 0.52.6",
 ]
 
 [[package]]
@@ -593,42 +1549,90 @@ version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "91ae572e1b79dba883e0d315474df7305d12f569b400fcf90581b06062f7e1bc"
 
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b2ef27e0d7bdfcfc7b868b317c1d32c641a6fe4629c171b8928c7b08d98d7cf3"
 
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "622a1962a7db830d6fd0a69683c80a18fda201879f0f447f065a3b7467daa241"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
+
+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4542c6e364ce21bf45d69fdd2a8e455fa38d316158cfd43b3ac1c5b1b19f8e00"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ca2b8a661f7628cbd23440e50b05d705db3686f894fc9580820623656af974b1"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
+
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7896dbc1f41e08872e9d5e8f8baa8fdd2677f29468c4e156210174edc7f7b953"
 
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
 
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
+
 [[package]]
 name = "wyhash"
 version = "0.5.0"
diff --git a/Cargo.toml b/Cargo.toml
index 7a23f4c..36f534e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,5 +18,11 @@ thiserror = "1.0.30"
 wyhash = "0.5.0"
 
 [dev-dependencies]
+criterion = { version = "0.3.5", features = ["html_reports"] }
+pprof = { version = "0.6.2", features = ["flamegraph", "protobuf", "criterion"] }
 proptest = "1.0.0"
 rand = "0.8.5"
+
+[[bench]]
+name = "synchronizer"
+harness = false
diff --git a/benches/synchronizer.rs b/benches/synchronizer.rs
new file mode 100644
index 0000000..5c040a8
--- /dev/null
+++ b/benches/synchronizer.rs
@@ -0,0 +1,64 @@
+use std::time::Duration;
+
+use bytecheck::CheckBytes;
+use criterion::{black_box, criterion_group, criterion_main, Criterion, Throughput};
+use mmap_sync::synchronizer::Synchronizer;
+use pprof::criterion::PProfProfiler;
+use rkyv::{Archive, Deserialize, Serialize};
+
+/// Example data-structure shared between writer and reader(s)
+#[derive(Archive, Deserialize, Serialize, Debug, PartialEq)]
+#[archive_attr(derive(CheckBytes))]
+pub struct HelloWorld {
+    pub version: u32,
+    pub messages: Vec<String>,
+}
+
+pub fn bench_synchronizer(c: &mut Criterion) {
+    let mut synchronizer = Synchronizer::new("/dev/shm/hello_world".as_ref());
+    let data = HelloWorld {
+        version: 7,
+        messages: vec!["Hello".to_string(), "World".to_string(), "!".to_string()],
+    };
+    let bytes = rkyv::to_bytes::<HelloWorld, 1024>(&data).unwrap();
+
+    let mut group = c.benchmark_group("synchronizer");
+    group.throughput(Throughput::Elements(1));
+
+    group.bench_function("write", |b| {
+        b.iter(|| {
+            synchronizer
+                .write(black_box(&data), Duration::from_nanos(10))
+                .expect("failed to write data");
+        })
+    });
+
+    group.bench_function("write_raw", |b| {
+        b.iter(|| {
+            synchronizer
+                .write_raw::<HelloWorld>(black_box(&bytes), Duration::from_nanos(10))
+                .expect("failed to write data");
+        })
+    });
+
+    group.bench_function("read/check_bytes_true", |b| {
+        b.iter(|| {
+            let archived = unsafe { synchronizer.read::<HelloWorld>(true).unwrap() };
+            assert_eq!(archived.version, data.version);
+        })
+    });
+
+    group.bench_function("read/check_bytes_false", |b| {
+        b.iter(|| {
+            let archived = unsafe { synchronizer.read::<HelloWorld>(false).unwrap() };
+            assert_eq!(archived.version, data.version);
+        })
+    });
+}
+
+criterion_group! {
+    name = benches;
+    config = Criterion::default().with_profiler(PProfProfiler::new(100, pprof::criterion::Output::Protobuf));
+    targets = bench_synchronizer
+}
+criterion_main!(benches);

From 4a3fdba32c2ef367129dbb69928f753e924bc530 Mon Sep 17 00:00:00 2001
From: Alex Bocharov <ab@cloudflare.com>
Date: Tue, 9 Jul 2024 12:50:36 -0500
Subject: [PATCH 3/5] Optimize `Synchronizer::write` and `write_raw` methods to
 re-use opened maps.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Benchmarks:
```
synchronizer/write      time:   [17.183 µs 17.387 µs 17.647 µs]
                        thrpt:  [56.666 Kelem/s 57.515 Kelem/s 58.195 Kelem/s]
                 change:
                        time:   [-47.134% -45.506% -43.898%] (p = 0.00 < 0.05)
                        thrpt:  [+78.247% +83.508% +89.156%]
                        Performance has improved.
synchronizer/write_raw  time:   [147.12 ns 147.76 ns 148.57 ns]
                        thrpt:  [6.7310 Melem/s 6.7676 Melem/s 6.7970 Melem/s]
                 change:
                        time:   [-98.463% -98.442% -98.422%] (p = 0.00 < 0.05)
                        thrpt:  [+6236.1% +6320.0% +6405.5%]
                        Performance has improved.
synchronizer/read/check_bytes_true
                        time:   [41.194 ns 41.271 ns 41.369 ns]
                        thrpt:  [24.172 Melem/s 24.230 Melem/s 24.275 Melem/s]
                 change:
                        time:   [-0.3344% +0.8124% +1.6734%] (p = 0.12 > 0.05)
                        thrpt:  [-1.6458% -0.8058% +0.3355%]
                        No change in performance detected.
synchronizer/read/check_bytes_false
                        time:   [26.658 ns 26.668 ns 26.685 ns]
                        thrpt:  [37.475 Melem/s 37.498 Melem/s 37.513 Melem/s]
                 change:
                        time:   [-4.4520% -3.5968% -2.8378%] (p = 0.00 < 0.05)
                        thrpt:  [+2.9206% +3.7309% +4.6595%]
                        Performance has improved.
```
---
 src/data.rs | 52 +++++++++++++++++++++++++++++++++-------------------
 1 file changed, 33 insertions(+), 19 deletions(-)

diff --git a/src/data.rs b/src/data.rs
index 4d8d3b3..1d38ef1 100644
--- a/src/data.rs
+++ b/src/data.rs
@@ -17,7 +17,9 @@ pub(crate) struct DataContainer {
     /// Reader's current local instance version
     version: Option<InstanceVersion>,
     /// Read-only memory mapped files storing data
-    idx_mmaps: [Option<Mmap>; 2],
+    read_mmaps: [Option<Mmap>; 2],
+    /// Write-only memory mapped files storing data
+    write_mmaps: [Option<MmapMut>; 2],
 }
 
 impl DataContainer {
@@ -26,7 +28,8 @@ impl DataContainer {
         DataContainer {
             path_prefix: path_prefix.into(),
             version: None,
-            idx_mmaps: [None, None],
+            read_mmaps: [None, None],
+            write_mmaps: [None, None],
         }
     }
 
@@ -36,27 +39,38 @@ impl DataContainer {
         data: &[u8],
         version: InstanceVersion,
     ) -> Result<usize, SynchronizerError> {
-        let mut opts = OpenOptions::new();
-        opts.read(true).write(true).create(true);
+        let mmap = &mut self.write_mmaps[version.idx()];
+        let data_size = version.size();
 
-        // Only add mode on Unix-based systems
-        #[cfg(unix)]
-        opts.mode(0o640);
+        // only open and mmap data file in the following cases:
+        // * if it never was opened/mapped before
+        // * if current mmap size is smaller than requested data size
+        if mmap.is_none() || mmap.as_ref().unwrap().len() < data_size {
+            let mut opts = OpenOptions::new();
+            opts.read(true).write(true).create(true);
 
-        let data_file = opts
-            .open(version.path(&self.path_prefix))
-            .map_err(FailedDataWrite)?;
+            // Only add mode on Unix-based systems
+            #[cfg(unix)]
+            opts.mode(0o640);
 
-        // grow data file when its current length exceeded
-        let data_len = data.len() as u64;
-        if data_len > data_file.metadata().map_err(FailedDataWrite)?.len() {
-            data_file.set_len(data_len).map_err(FailedDataWrite)?;
+            let data_file = opts
+                .open(version.path(&self.path_prefix))
+                .map_err(FailedDataWrite)?;
+
+            // grow data file when its current length exceeded
+            let data_len = data.len() as u64;
+            if data_len > data_file.metadata().map_err(FailedDataWrite)?.len() {
+                data_file.set_len(data_len).map_err(FailedDataWrite)?;
+            }
+
+            *mmap = Some(unsafe { MmapMut::map_mut(&data_file).map_err(FailedDataWrite)? });
         }
 
-        // copy data to mapped file and ensure it's been flushed
-        let mut mmap = unsafe { MmapMut::map_mut(&data_file).map_err(FailedDataWrite)? };
-        mmap[..data.len()].copy_from_slice(data);
-        mmap.flush().map_err(FailedDataWrite)?;
+        if let Some(mmap) = mmap {
+            // copy data to mapped file and ensure it's been flushed
+            mmap[..data.len()].copy_from_slice(data);
+            mmap.flush().map_err(FailedDataWrite)?;
+        }
 
         Ok(data.len())
     }
@@ -67,7 +81,7 @@ impl DataContainer {
         &mut self,
         version: InstanceVersion,
     ) -> Result<(&[u8], bool), SynchronizerError> {
-        let mmap = &mut self.idx_mmaps[version.idx()];
+        let mmap = &mut self.read_mmaps[version.idx()];
         let data_size = version.size();
 
         // only open and mmap data file in the following cases:

From 86e132d1173ba5723aaa7bf6f8b9d681de2f2479 Mon Sep 17 00:00:00 2001
From: Alex Bocharov <ab@cloudflare.com>
Date: Tue, 9 Jul 2024 16:23:51 -0500
Subject: [PATCH 4/5] Speed up writes further with re-usable buffer backed by
 `AlignedVec`.

Also added template parameter `N` for scratch space size.

Benchmarks:
```
synchronizer/write      time:   [250.71 ns 251.42 ns 252.41 ns]
                        thrpt:  [3.9619 Melem/s 3.9774 Melem/s 3.9887 Melem/s]
                 change:
                        time:   [-99.152% -99.147% -99.142%] (p = 0.00 < 0.05)
                        thrpt:  [+11559% +11627% +11699%]
                        Performance has improved.
synchronizer/write_raw  time:   [145.25 ns 145.53 ns 145.92 ns]
                        thrpt:  [6.8531 Melem/s 6.8717 Melem/s 6.8849 Melem/s]
                 change:
                        time:   [-98.508% -98.471% -98.443%] (p = 0.00 < 0.05)
                        thrpt:  [+6322.7% +6441.2% +6602.9%]
                        Performance has improved.
synchronizer/read/check_bytes_true
                        time:   [40.114 ns 40.139 ns 40.186 ns]
                        thrpt:  [24.884 Melem/s 24.914 Melem/s 24.929 Melem/s]
                 change:
                        time:   [-0.1031% -0.0200% +0.0753%] (p = 0.69 > 0.05)
                        thrpt:  [-0.0752% +0.0200% +0.1032%]
                        No change in performance detected.
synchronizer/read/check_bytes_false
                        time:   [26.658 ns 26.673 ns 26.696 ns]
                        thrpt:  [37.458 Melem/s 37.491 Melem/s 37.512 Melem/s]
                 change:
                        time:   [-0.9845% -0.9083% -0.7959%] (p = 0.00 < 0.05)
                        thrpt:  [+0.8023% +0.9167% +0.9943%]
                        Change within noise threshold.
```
---
 src/synchronizer.rs | 39 ++++++++++++++++++++++++++++-----------
 1 file changed, 28 insertions(+), 11 deletions(-)

diff --git a/src/synchronizer.rs b/src/synchronizer.rs
index 1540d47..f6d8890 100644
--- a/src/synchronizer.rs
+++ b/src/synchronizer.rs
@@ -8,10 +8,10 @@ use std::hash::{BuildHasher, BuildHasherDefault, Hasher};
 use std::time::Duration;
 
 use bytecheck::CheckBytes;
-use rkyv::ser::serializers::AllocSerializer;
+use rkyv::ser::serializers::{AlignedSerializer, AllocSerializer};
 use rkyv::ser::Serializer;
 use rkyv::validation::validators::DefaultValidator;
-use rkyv::{archived_root, check_archived_root, Archive, Serialize};
+use rkyv::{archived_root, check_archived_root, AlignedVec, Archive, Serialize};
 use thiserror::Error;
 use wyhash::WyHash;
 
@@ -24,13 +24,15 @@ use crate::synchronizer::SynchronizerError::*;
 /// `Synchronizer` is a concurrency primitive that manages data access between a single writer process and multiple reader processes.
 ///
 /// It coordinates the access to two data files that store the shared data. A state file, also memory-mapped, stores the index of the current data file and the number of active readers for each index, updated via atomic instructions.
-pub struct Synchronizer<H: Hasher + Default = WyHash> {
+pub struct Synchronizer<H: Hasher + Default = WyHash, const N: usize = 1024> {
     /// Container storing state mmap
     state_container: StateContainer,
     /// Container storing data mmap
     data_container: DataContainer,
     /// Hasher used for checksum calculation
     build_hasher: BuildHasherDefault<H>,
+    /// Re-usable buffer for serialization
+    serialize_buffer: Option<AlignedVec>,
 }
 
 /// `SynchronizerError` enumerates all possible errors returned by this library.
@@ -61,16 +63,21 @@ pub enum SynchronizerError {
     InvalidInstanceVersionParams,
 }
 
-/// Default serializer with 1 MB scratch space allocated on the heap.
-type DefaultSerializer = AllocSerializer<1_000_000>;
-
 impl Synchronizer {
-    /// Create new instance of `Synchronizer` using given `path_prefix`
-    pub fn new(path_prefix: &OsStr) -> Synchronizer {
+    /// Create new instance of `Synchronizer` using given `path_prefix` and default template parameters
+    pub fn new(path_prefix: &OsStr) -> Self {
+        Self::with_params(path_prefix)
+    }
+}
+
+impl<H: Hasher + Default, const N: usize> Synchronizer<H, N> {
+    /// Create new instance of `Synchronizer` using given `path_prefix` and template parameters
+    pub fn with_params(path_prefix: &OsStr) -> Self {
         Synchronizer {
             state_container: StateContainer::new(path_prefix),
             data_container: DataContainer::new(path_prefix),
             build_hasher: BuildHasherDefault::default(),
+            serialize_buffer: Some(AlignedVec::new()),
         }
     }
 
@@ -97,11 +104,18 @@ impl Synchronizer {
         grace_duration: Duration,
     ) -> Result<(usize, bool), SynchronizerError>
     where
-        T: Serialize<DefaultSerializer>,
+        T: Serialize<AllocSerializer<N>>,
         T::Archived: for<'b> CheckBytes<DefaultValidator<'b>>,
     {
+        let mut buf = self.serialize_buffer.take().ok_or(FailedEntityWrite)?;
+        buf.clear();
+
         // serialize given entity into bytes
-        let mut serializer = DefaultSerializer::default();
+        let mut serializer = AllocSerializer::new(
+            AlignedSerializer::new(buf),
+            Default::default(),
+            Default::default(),
+        );
         let _ = serializer
             .serialize_value(entity)
             .map_err(|_| FailedEntityWrite)?;
@@ -126,6 +140,9 @@ impl Synchronizer {
         // switch readers to new version
         state.switch_version(new_version);
 
+        // Restore buffer for potential reuse
+        self.serialize_buffer.replace(data);
+
         Ok((size, reset))
     }
 
@@ -138,7 +155,7 @@ impl Synchronizer {
         grace_duration: Duration,
     ) -> Result<(usize, bool), SynchronizerError>
     where
-        T: Serialize<DefaultSerializer>,
+        T: Serialize<AllocSerializer<N>>,
         T::Archived: for<'b> CheckBytes<DefaultValidator<'b>>,
     {
         // fetch current state from mapped memory

From c170c270ae3ecce21078598a6873945a098720d9 Mon Sep 17 00:00:00 2001
From: Alex Bocharov <ab@cloudflare.com>
Date: Wed, 10 Jul 2024 11:57:21 -0500
Subject: [PATCH 5/5] Update README, Cargo dependencies and release new
 `mmap-sync` version `1.0.3`.

---
 Cargo.lock | 486 +++++++++++++++++++++--------------------------------
 Cargo.toml |   8 +-
 README.md  |  43 ++++-
 3 files changed, 233 insertions(+), 304 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 7cbf323..fc53d2b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -28,6 +28,19 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "ahash"
+version = "0.8.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e89da841a80418a9b391ebaea17f5c112ffaaa96f621d2c285b5174da76b9011"
+dependencies = [
+ "cfg-if",
+ "getrandom",
+ "once_cell",
+ "version_check",
+ "zerocopy",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "1.1.3"
@@ -38,27 +51,22 @@ dependencies = [
 ]
 
 [[package]]
-name = "anyhow"
-version = "1.0.86"
+name = "anes"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3d1d046238990b9cf5bcde22a3fb3584ee5cf65fb2765f454ed428c7a0063da"
+checksum = "4b46cbb362ab8752921c97e041f5e366ee6297bd428a31275b9fcf1e380f7299"
 
 [[package]]
-name = "arrayvec"
-version = "0.7.4"
+name = "anstyle"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96d30a06541fbafbc7f82ed10c06164cfbd2c401138f6addd8404629c4b16711"
+checksum = "038dfcf04a5feb68e9c60b21c9625a54c2c0616e79b72b0fd87075a056ae1d1b"
 
 [[package]]
-name = "atty"
-version = "0.2.14"
+name = "arrayvec"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
-dependencies = [
- "hermit-abi 0.1.19",
- "libc",
- "winapi",
-]
+checksum = "96d30a06541fbafbc7f82ed10c06164cfbd2c401138f6addd8404629c4b16711"
 
 [[package]]
 name = "autocfg"
@@ -160,12 +168,6 @@ version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
-[[package]]
-name = "bytes"
-version = "1.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "514de17de45fdb8dc022b1a7975556c53c86f9f0aa5f534b98977b171857c2c9"
-
 [[package]]
 name = "cast"
 version = "0.3.0"
@@ -184,46 +186,87 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "ciborium"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42e69ffd6f0917f5c029256a24d0161db17cea3997d185db0d35926308770f0e"
+dependencies = [
+ "ciborium-io",
+ "ciborium-ll",
+ "serde",
+]
+
+[[package]]
+name = "ciborium-io"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05afea1e0a06c9be33d539b876f1ce3692f4afea2cb41f740e7743225ed1c757"
+
+[[package]]
+name = "ciborium-ll"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57663b653d948a338bfb3eeba9bb2fd5fcfaecb9e199e87e1eda4d9e8b240fd9"
+dependencies = [
+ "ciborium-io",
+ "half",
+]
+
 [[package]]
 name = "clap"
-version = "2.34.0"
+version = "4.5.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a0610544180c38b88101fecf2dd634b174a62eef6946f84dfc6a7127512b381c"
+checksum = "64acc1846d54c1fe936a78dc189c34e28d3f5afc348403f28ecf53660b9b8462"
 dependencies = [
- "bitflags 1.3.2",
- "textwrap",
- "unicode-width",
+ "clap_builder",
 ]
 
+[[package]]
+name = "clap_builder"
+version = "4.5.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fb8393d67ba2e7bfaf28a23458e4e2b543cc73a99595511eb207fdb8aede942"
+dependencies = [
+ "anstyle",
+ "clap_lex",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4b82cf0babdbd58558212896d1a4272303a57bdb245c2bf1147185fb45640e70"
+
 [[package]]
 name = "cpp_demangle"
-version = "0.3.5"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eeaa953eaad386a53111e47172c2fedba671e5684c8dd601a5f474f4f118710f"
+checksum = "7e8227005286ec39567949b33df9896bcadfa6051bccca2488129f108ca23119"
 dependencies = [
  "cfg-if",
 ]
 
 [[package]]
 name = "criterion"
-version = "0.3.6"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b01d6de93b2b6c65e17c634a26653a29d107b3c98c607c765bf38d041531cd8f"
+checksum = "f2b12d017a929603d80db1831cd3a24082f8137ce19c69e6447f54f5fc8d692f"
 dependencies = [
- "atty",
+ "anes",
  "cast",
+ "ciborium",
  "clap",
  "criterion-plot",
- "csv",
+ "is-terminal",
  "itertools",
- "lazy_static",
  "num-traits",
+ "once_cell",
  "oorandom",
  "plotters",
  "rayon",
  "regex",
  "serde",
- "serde_cbor",
  "serde_derive",
  "serde_json",
  "tinytemplate",
@@ -232,9 +275,9 @@ dependencies = [
 
 [[package]]
 name = "criterion-plot"
-version = "0.4.5"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2673cc8207403546f45f5fd319a974b1e6983ad1a3ee7e6041650013be041876"
+checksum = "6b50826342786a51a89e2da3a28f1c32b06e387201bc2d19791f622c673706b1"
 dependencies = [
  "cast",
  "itertools",
@@ -266,33 +309,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "22ec99545bb0ed0ea7bb9b8e1e9122ea386ff8a48c0922e43f36d45ab09e0e80"
 
 [[package]]
-name = "csv"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac574ff4d437a7b5ad237ef331c17ccca63c46479e5b5453eb8e10bb99a759fe"
-dependencies = [
- "csv-core",
- "itoa",
- "ryu",
- "serde",
-]
-
-[[package]]
-name = "csv-core"
-version = "0.1.11"
+name = "crunchy"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5efa2b3d7902f4b634a20cae3c9c4e6209dc4779feb6863329607560143efa70"
-dependencies = [
- "memchr",
-]
+checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
 
 [[package]]
 name = "debugid"
-version = "0.7.3"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d6ee87af31d84ef885378aebca32be3d682b0e0dc119d5b4860a2c5bb5046730"
+checksum = "bef552e6f588e446098f6ba40d89ac146c8c7b64aade83c051ee00bb5d2bc18d"
 dependencies = [
- "uuid 0.8.2",
+ "uuid",
 ]
 
 [[package]]
@@ -349,12 +377,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "fixedbitset"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
-
 [[package]]
 name = "fnv"
 version = "1.0.7"
@@ -386,9 +408,13 @@ checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "half"
-version = "1.8.3"
+version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b43ede17f21864e81be2fa654110bf1e793774238d86ef8555c37e6519c0403"
+checksum = "6dd08c532ae367adf81c312a4580bc67f1d0fe8bc9c460520283f4c0ff277888"
+dependencies = [
+ "cfg-if",
+ "crunchy",
+]
 
 [[package]]
 name = "hashbrown"
@@ -396,7 +422,7 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 dependencies = [
- "ahash",
+ "ahash 0.7.6",
 ]
 
 [[package]]
@@ -405,49 +431,12 @@ version = "0.14.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
 
-[[package]]
-name = "heck"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d621efb26863f0e9924c6ac577e8275e5e6b77455db64ffa6c65c904e9e132c"
-dependencies = [
- "unicode-segmentation",
-]
-
-[[package]]
-name = "hermit-abi"
-version = "0.1.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "hermit-abi"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fed44880c466736ef9a5c5b5facefb5ed0785676d0c02d612db14e54f0d84286"
 
-[[package]]
-name = "home"
-version = "0.5.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3d1354bf6b7235cb4a0576c2619fd4ed18183f689b12b006a0ee7329eeff9a5"
-dependencies = [
- "windows-sys 0.52.0",
-]
-
-[[package]]
-name = "indexmap"
-version = "1.9.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
-dependencies = [
- "autocfg",
- "hashbrown 0.12.3",
-]
-
 [[package]]
 name = "indexmap"
 version = "2.2.6"
@@ -460,17 +449,17 @@ dependencies = [
 
 [[package]]
 name = "inferno"
-version = "0.10.12"
+version = "0.11.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de3886428c6400486522cf44b8626e7b94ad794c14390290f2a274dcf728a58f"
+checksum = "321f0f839cd44a4686e9504b0a62b4d69a50b62072144c71c68f5873c167b8d9"
 dependencies = [
- "ahash",
- "atty",
- "indexmap 1.9.3",
+ "ahash 0.8.11",
+ "indexmap",
+ "is-terminal",
  "itoa",
- "lazy_static",
  "log",
  "num-format",
+ "once_cell",
  "quick-xml",
  "rgb",
  "str_stack",
@@ -491,11 +480,22 @@ version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eae7b9aee968036d54dce06cebaefd919e4472e753296daccd6d344e3e2df0c2"
 dependencies = [
- "hermit-abi 0.3.1",
+ "hermit-abi",
  "libc",
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "is-terminal"
+version = "0.4.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f23ff5ef2b80d608d61efee834934d862cd92461afc0560dedf493e4c033738b"
+dependencies = [
+ "hermit-abi",
+ "libc",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "itertools"
 version = "0.10.5"
@@ -544,12 +544,6 @@ version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ef53942eb7bf7ff43a617b3e2c1c4a5ecf5944a7c1bc12d7ee39bbb15e5c1519"
 
-[[package]]
-name = "linux-raw-sys"
-version = "0.4.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78b3ae25bc7c8c38cec158d1f2757ee79e9b3740fbc7ccf0e59e4b08d793fa89"
-
 [[package]]
 name = "lock_api"
 version = "0.4.12"
@@ -574,31 +568,13 @@ checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
 
 [[package]]
 name = "memmap2"
-version = "0.5.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83faa42c0a078c393f6b29d5db232d8be22776a891f8f56e5284faee4a20b327"
-dependencies = [
- "libc",
-]
-
-[[package]]
-name = "memmap2"
-version = "0.7.0"
+version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "180d4b35be83d33392d1d1bfbd2ae1eca7ff5de1a94d3fc87faaa99a069e7cbd"
+checksum = "fe751422e4a8caa417e13c3ea66452215d7d63e19e604f4980461212f3ae1322"
 dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "memoffset"
-version = "0.6.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5aa361d4faea93603064a027415f07bd8e1d5c88c9fbf68bf56a285428fd79ce"
-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "miniz_oxide"
 version = "0.7.4"
@@ -610,11 +586,11 @@ dependencies = [
 
 [[package]]
 name = "mmap-sync"
-version = "1.0.2"
+version = "1.0.3"
 dependencies = [
  "bytecheck",
  "criterion",
- "memmap2 0.7.0",
+ "memmap2",
  "pprof",
  "proptest",
  "rand",
@@ -623,23 +599,15 @@ dependencies = [
  "wyhash",
 ]
 
-[[package]]
-name = "multimap"
-version = "0.8.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5ce46fe64a9d73be07dcbe690a38ce1b293be448fd8ce1e6c1b8062c9f72c6a"
-
 [[package]]
 name = "nix"
-version = "0.23.2"
+version = "0.26.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f3790c00a0150112de0f4cd161e3d7fc4b2d8a5542ffc35f099a2562aecb35c"
+checksum = "598beaf3cc6fdd9a5dfb1630c2800c7acd31df7aaf0f565796fba2b53ca1af1b"
 dependencies = [
  "bitflags 1.3.2",
- "cc",
  "cfg-if",
  "libc",
- "memoffset",
 ]
 
 [[package]]
@@ -685,37 +653,25 @@ checksum = "b410bbe7e14ab526a0e86877eb47c6996a2bd7746f027ba551028c925390e4e9"
 
 [[package]]
 name = "parking_lot"
-version = "0.11.2"
+version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d17b78036a60663b797adeaee46f5c9dfebb86948d1255007a1d6be0271ff99"
+checksum = "f1bf18183cf54e8d6059647fc3063646a1801cf30896933ec2311622cc4b9a27"
 dependencies = [
- "instant",
  "lock_api",
  "parking_lot_core",
 ]
 
 [[package]]
 name = "parking_lot_core"
-version = "0.8.6"
+version = "0.9.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60a2cfe6f0ad2bfc16aefa463b497d5c7a5ecd44a23efa72aa342d90177356dc"
+checksum = "1e401f977ab385c9e4e3ab30627d6f26d00e2c73eef317493c4ec6d468726cf8"
 dependencies = [
  "cfg-if",
- "instant",
  "libc",
- "redox_syscall 0.2.16",
+ "redox_syscall 0.5.2",
  "smallvec",
- "winapi",
-]
-
-[[package]]
-name = "petgraph"
-version = "0.6.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4c5cc86750666a3ed20bdaf5ca2a0344f9c67674cae0515bec2da16fbaa47db"
-dependencies = [
- "fixedbitset",
- "indexmap 2.2.6",
+ "windows-targets 0.52.6",
 ]
 
 [[package]]
@@ -748,23 +704,22 @@ dependencies = [
 
 [[package]]
 name = "pprof"
-version = "0.6.2"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "55f35f865aa964be21fcde114cbd1cfbd9bf8a471460ed965b0f84f96c711401"
+checksum = "ef5c97c51bd34c7e742402e216abdeb44d415fbe6ae41d56b114723e953711cb"
 dependencies = [
  "backtrace",
  "cfg-if",
  "criterion",
  "findshlibs",
  "inferno",
- "lazy_static",
  "libc",
  "log",
  "nix",
+ "once_cell",
  "parking_lot",
- "prost",
- "prost-build",
- "prost-derive",
+ "protobuf",
+ "protobuf-codegen-pure",
  "smallvec",
  "symbolic-demangle",
  "tempfile",
@@ -779,9 +734,9 @@ checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.60"
+version = "1.0.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dec2b086b7a862cf4de201096214fa870344cf922b2b30c167badb3af3195406"
+checksum = "5e719e8df665df0d1c8fbfd238015744736151d4445ec0836b8e628aae103b77"
 dependencies = [
  "unicode-ident",
 ]
@@ -807,56 +762,28 @@ dependencies = [
 ]
 
 [[package]]
-name = "prost"
-version = "0.9.0"
+name = "protobuf"
+version = "2.28.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "444879275cb4fd84958b1a1d5420d15e6fcf7c235fe47f053c9c2a80aceb6001"
-dependencies = [
- "bytes",
- "prost-derive",
-]
+checksum = "106dd99e98437432fed6519dedecfade6a06a73bb7b2a1e019fdd2bee5778d94"
 
 [[package]]
-name = "prost-build"
-version = "0.9.0"
+name = "protobuf-codegen"
+version = "2.28.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62941722fb675d463659e49c4f3fe1fe792ff24fe5bbaa9c08cd3b98a1c354f5"
+checksum = "033460afb75cf755fcfc16dfaed20b86468082a2ea24e05ac35ab4a099a017d6"
 dependencies = [
- "bytes",
- "heck",
- "itertools",
- "lazy_static",
- "log",
- "multimap",
- "petgraph",
- "prost",
- "prost-types",
- "regex",
- "tempfile",
- "which",
+ "protobuf",
 ]
 
 [[package]]
-name = "prost-derive"
-version = "0.9.0"
+name = "protobuf-codegen-pure"
+version = "2.28.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9cc1a3263e07e0bf68e96268f37665207b49560d98739662cdfaae215c720fe"
+checksum = "95a29399fc94bcd3eeaa951c715f7bea69409b2445356b00519740bcd6ddd865"
 dependencies = [
- "anyhow",
- "itertools",
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
-
-[[package]]
-name = "prost-types"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "534b7a0e836e3c482d2693070f982e39e7611da9695d4d1f5a4b186b51faef0a"
-dependencies = [
- "bytes",
- "prost",
+ "protobuf",
+ "protobuf-codegen",
 ]
 
 [[package]]
@@ -887,9 +814,9 @@ checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 
 [[package]]
 name = "quick-xml"
-version = "0.22.0"
+version = "0.26.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8533f14c8382aaad0d592c812ac3b826162128b65662331e1127b45c3d18536b"
+checksum = "7f50b1c63b38611e7d4d7f68b82d3ad0cc71a2ad2e7f61fc10f1328d917c93cd"
 dependencies = [
  "memchr",
 ]
@@ -970,20 +897,20 @@ dependencies = [
 
 [[package]]
 name = "redox_syscall"
-version = "0.2.16"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
+checksum = "567664f262709473930a4bf9e51bf2ebf3348f2e748ccc50dea20646858f8f29"
 dependencies = [
  "bitflags 1.3.2",
 ]
 
 [[package]]
 name = "redox_syscall"
-version = "0.3.5"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "567664f262709473930a4bf9e51bf2ebf3348f2e748ccc50dea20646858f8f29"
+checksum = "c82cf8cff14456045f55ec4241383baeff27af886adb72ffb2162f99911de0fd"
 dependencies = [
- "bitflags 1.3.2",
+ "bitflags 2.6.0",
 ]
 
 [[package]]
@@ -1053,7 +980,7 @@ dependencies = [
  "rkyv_derive",
  "seahash",
  "tinyvec",
- "uuid 1.3.3",
+ "uuid",
 ]
 
 [[package]]
@@ -1083,20 +1010,7 @@ dependencies = [
  "errno",
  "io-lifetimes",
  "libc",
- "linux-raw-sys 0.3.8",
- "windows-sys 0.48.0",
-]
-
-[[package]]
-name = "rustix"
-version = "0.38.25"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc99bc2d4f1fed22595588a013687477aedf3cdcfb26558c559edb67b4d9b22e"
-dependencies = [
- "bitflags 2.6.0",
- "errno",
- "libc",
- "linux-raw-sys 0.4.14",
+ "linux-raw-sys",
  "windows-sys 0.48.0",
 ]
 
@@ -1141,18 +1055,11 @@ checksum = "1c107b6f4780854c8b126e228ea8869f4d7b71260f962fefb57b996b8959ba6b"
 
 [[package]]
 name = "serde"
-version = "1.0.185"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be9b6f69f1dfd54c3b568ffa45c310d6973a5e5148fd40cf515acaf38cf5bc31"
-
-[[package]]
-name = "serde_cbor"
-version = "0.11.2"
+version = "1.0.164"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2bef2ebfde456fb76bbcf9f59315333decc4fda0b2b44b420243c11e0f5ec1f5"
+checksum = "9e8c8cf938e98f769bc164923b06dce91cea1751522f46f8466461af04c9027d"
 dependencies = [
- "half",
- "serde",
+ "serde_derive",
 ]
 
 [[package]]
@@ -1163,14 +1070,14 @@ checksum = "d9735b638ccc51c28bf6914d90a2e9725b377144fc612c49a611fddd1b631d68"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.43",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.109"
+version = "1.0.99"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cb0652c533506ad7a2e353cce269330d6afd8bdfb6d75e0ace5b35aacbd7b9e9"
+checksum = "46266871c240a00b8f503b877622fe33430b3c7d963bdc0f2adc511e54a1eae3"
 dependencies = [
  "itoa",
  "ryu",
@@ -1203,21 +1110,21 @@ checksum = "9091b6114800a5f2141aee1d1b9d6ca3592ac062dc5decb3764ec5895a47b4eb"
 
 [[package]]
 name = "symbolic-common"
-version = "8.8.0"
+version = "12.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f551f902d5642e58039aee6a9021a61037926af96e071816361644983966f540"
+checksum = "71297dc3e250f7dbdf8adb99e235da783d690f5819fdeb4cce39d9cfb0aca9f1"
 dependencies = [
  "debugid",
- "memmap2 0.5.10",
+ "memmap2",
  "stable_deref_trait",
- "uuid 0.8.2",
+ "uuid",
 ]
 
 [[package]]
 name = "symbolic-demangle"
-version = "8.8.0"
+version = "12.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4564ca7b4e6eb14105aa8bbbce26e080f6b5d9c4373e67167ab31f7b86443750"
+checksum = "424fa2c9bf2c862891b9cfd354a752751a6730fd838a4691e7f6c2c7957b9daf"
 dependencies = [
  "cpp_demangle",
  "rustc-demangle",
@@ -1237,9 +1144,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.18"
+version = "2.0.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32d41677bcbe24c20c52e7c70b0d8db04134c5d1066bf98662e2871ad200ea3e"
+checksum = "ee659fb5f3d355364e1f3e5bc10fb82068efbf824a1e9d1c9504244a6469ad53"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1262,19 +1169,10 @@ dependencies = [
  "cfg-if",
  "fastrand",
  "redox_syscall 0.3.5",
- "rustix 0.37.20",
+ "rustix",
  "windows-sys 0.48.0",
 ]
 
-[[package]]
-name = "textwrap"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
-dependencies = [
- "unicode-width",
-]
-
 [[package]]
 name = "thiserror"
 version = "1.0.40"
@@ -1292,7 +1190,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.43",
 ]
 
 [[package]]
@@ -1332,24 +1230,6 @@ version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b15811caf2415fb889178633e7724bad2509101cde276048e013b9def5e51fa0"
 
-[[package]]
-name = "unicode-segmentation"
-version = "1.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4c87d22b6e3f4a18d4d40ef354e97c90fcb14dd91d7dc0aa9d8a1172ebf7202"
-
-[[package]]
-name = "unicode-width"
-version = "0.1.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0336d538f7abc86d282a4189614dfaa90810dfc2c6f6427eaf88e16311dd225d"
-
-[[package]]
-name = "uuid"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
-
 [[package]]
 name = "uuid"
 version = "1.3.3"
@@ -1408,7 +1288,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.43",
  "wasm-bindgen-shared",
 ]
 
@@ -1430,7 +1310,7 @@ checksum = "e94f17b526d0a461a191c78ea52bbce64071ed5c04c9ffe424dcb38f74171bb7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.43",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -1451,18 +1331,6 @@ dependencies = [
  "wasm-bindgen",
 ]
 
-[[package]]
-name = "which"
-version = "4.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87ba24419a2078cd2b0f2ede2691b6c66d8e47836da3b6db8265ebad47afbfc7"
-dependencies = [
- "either",
- "home",
- "once_cell",
- "rustix 0.38.25",
-]
-
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -1650,3 +1518,23 @@ checksum = "05f360fc0b24296329c78fda852a1e9ae82de9cf7b27dae4b7f62f118f77b9ed"
 dependencies = [
  "tap",
 ]
+
+[[package]]
+name = "zerocopy"
+version = "0.7.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.7.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.43",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 36f534e..33dc2c7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mmap-sync"
-version = "1.0.2"
+version = "1.0.3"
 edition = "2021"
 authors = ["Alex Bocharov <bocharov.alexandr@gmail.com>"]
 description = "A Rust package allowing sharing of data between processes in a wait-free and zero-copy fashion from mapped memory."
@@ -12,14 +12,14 @@ categories = ["os", "filesystem", "concurrency", "data-structures", "memory-mana
 
 [dependencies]
 bytecheck = { version = "~0.6.8", default-features = false }
-memmap2 = "0.7.0"
+memmap2 = "0.9.4"
 rkyv = { version = "0.7.40", features = ["validation", "strict"] }
 thiserror = "1.0.30"
 wyhash = "0.5.0"
 
 [dev-dependencies]
-criterion = { version = "0.3.5", features = ["html_reports"] }
-pprof = { version = "0.6.2", features = ["flamegraph", "protobuf", "criterion"] }
+criterion = { version = "0.5.1", features = ["html_reports"] }
+pprof = { version = "0.13.0", features = ["flamegraph", "protobuf-codec", "criterion"] }
 proptest = "1.0.0"
 rand = "0.8.5"
 
diff --git a/README.md b/README.md
index 601f709..3803de6 100644
--- a/README.md
+++ b/README.md
@@ -50,7 +50,7 @@ The templated type `T` for `Synchronizer` can be any Rust struct implementing sp
 To use `mmap-sync`, add it to your `Cargo.toml` under `[dependencies]`:
 ```toml
 [dependencies]
-mmap-sync = "1.0.0"
+mmap-sync = "1"
 ```
 Then, import `mmap-sync` in your Rust program:
 ```rust
@@ -86,3 +86,44 @@ $ stat -c '%A %s %n' /tmp/hello_world_*
 ```
 
 With these steps, you can start utilizing `mmap-sync` in your Rust applications for efficient concurrent data access across processes.
+
+## Tuning performance
+Using `tmpfs` volume will reduce the disk I/O latency since it operates directly on RAM, offering faster read and write capabilities compared to conventional disk-based storage:
+```rust
+let mut synchronizer = Synchronizer::new("/dev/shm/hello_world".as_ref());
+```
+This change points the synchronizer to use a shared memory object located in a `tmpfs` filesystem, which is typically mounted at `/dev/shm` on most Linux systems. This should help alleviate some of the bottlenecks associated with disk I/O.
+If `/dev/shm` does not provide enough space or if you want to create a dedicated `tmpfs` instance, you can set up your own with the desired size. For example, to create a 1GB `tmpfs` volume, you can use the following command:
+```shell
+sudo mount -t tmpfs -o size=1G tmpfs /mnt/mytmpfs
+```
+
+## Benchmarks
+To run benchmarks you first need to install `cargo-criterion` binary:
+```shell
+cargo install cargo-criterion
+```
+
+Then you'll be able to run benchmarks with the following command:
+```shell
+cargo criterion --bench synchronizer
+```
+
+Benchmarks presented below are executed on Linux laptop with `13th Gen Intel(R) Core(TM) i7-13800H` processor and compiler flags set to `RUSTFLAGS=-C target-cpu=native`.
+```shell
+synchronizer/write
+    time:   [250.71 ns 251.42 ns 252.41 ns]
+    thrpt:  [3.9619 Melem/s 3.9774 Melem/s 3.9887 Melem/s]
+
+synchronizer/write_raw
+    time:   [145.25 ns 145.53 ns 145.92 ns]
+    thrpt:  [6.8531 Melem/s 6.8717 Melem/s 6.8849 Melem/s]
+
+synchronizer/read/check_bytes_true
+    time:   [40.114 ns 40.139 ns 40.186 ns]
+    thrpt:  [24.884 Melem/s 24.914 Melem/s 24.929 Melem/s]
+
+synchronizer/read/check_bytes_false
+    time:   [26.658 ns 26.673 ns 26.696 ns]
+    thrpt:  [37.458 Melem/s 37.491 Melem/s 37.512 Melem/s]
+```
\ No newline at end of file