Matrix multiplcation benchmark Hardware specification CPU: 6-Core Intel Core i7-9750H (-MT MCP-) speed/min/max: 892/800/4500 MHz Kernel: 5.10.16-arch1-1 Compilation option Rust : RUSTFLAGS='-C target-cpu=native' cargo build --release Rust(BLAS) : RUSTFLAGS='-C target-cpu=native' cargo build --release --features O3 C++ : g++ -I$EIGEN -O2 C++(BLAS) : g++ -I$EIGEN -I$OPENBLAS -lopenblas -O2 Julia : @benchmark Nim : nimble build -d:release -d:danger -d:openblas -d:blas=cblas D: dub build -b=release-nobounds Specific version Rust : rustc 1.51.0-nightly Peroxide : 0.30.4 C++ : gcc version 10.2.0 Eigen : 3.3.7 Julia : julia version 1.5.3 D: ldc version 1.40.0 Python : Python 3.9.1 numpy : 1.20.0 Nim : Nim Compiler Version 1.5.1 [Linux: amd64] arraymancer : 0.6.2 Result All Without Eigen3(without BLAS)