diff --git a/skiplist.py b/skiplist.py
index f483bfb7..c7faaa65 100644
--- a/skiplist.py
+++ b/skiplist.py
@@ -1,16 +1,28 @@
 skip_list = [
-    {'scheme': 'aimer192s', 'implementation': 'opt_mem', 'estmemory': 70656},
     {'scheme': 'aimer192s', 'implementation': 'ref', 'estmemory': 2036736},
-    {'scheme': 'aimer192f', 'implementation': 'opt_mem', 'estmemory': 46080},
     {'scheme': 'aimer192f', 'implementation': 'ref', 'estmemory': 287744},
-    {'scheme': 'aimer128s', 'implementation': 'opt_mem', 'estmemory': 39936},
     {'scheme': 'aimer128s', 'implementation': 'ref', 'estmemory': 924672},
-    {'scheme': 'aimer256f', 'implementation': 'opt_mem', 'estmemory': 105472},
     {'scheme': 'aimer256f', 'implementation': 'ref', 'estmemory': 600064},
-    {'scheme': 'aimer256s', 'implementation': 'opt_mem', 'estmemory': 135168},
     {'scheme': 'aimer256s', 'implementation': 'ref', 'estmemory': 4148224},
-    {'scheme': 'aimer128f', 'implementation': 'opt_mem', 'estmemory': 22528},
     {'scheme': 'aimer128f', 'implementation': 'ref', 'estmemory': 131072},
+    {'scheme': 'aimer192s', 'implementation': 'm4stack', 'estmemory': 70656},
+    {'scheme': 'aimer192s', 'implementation': 'm4speed', 'estmemory': 360448},
+    {'scheme': 'aimer192f', 'implementation': 'm4stack', 'estmemory': 46080},
+    {'scheme': 'aimer192f', 'implementation': 'm4speed', 'estmemory': 287744},
+    {'scheme': 'aimer128s', 'implementation': 'm4stack', 'estmemory': 39936},
+    {'scheme': 'aimer128s', 'implementation': 'm4speed', 'estmemory': 172032},
+    {'scheme': 'aimer256f', 'implementation': 'm4stack', 'estmemory': 105472},
+    {'scheme': 'aimer256f', 'implementation': 'm4speed', 'estmemory': 600064},
+    {'scheme': 'aimer256s', 'implementation': 'm4stack', 'estmemory': 135168},
+    {'scheme': 'aimer256s', 'implementation': 'm4speed', 'estmemory': 633856},
+    {'scheme': 'aimer128f', 'implementation': 'm4stack', 'estmemory': 22528},
+    {'scheme': 'aimer128f', 'implementation': 'm4speed', 'estmemory': 131072},
+    {'scheme': 'aimer192s_mem', 'implementation': 'mem_opt', 'estmemory': 70656},
+    {'scheme': 'aimer192f_mem', 'implementation': 'mem_opt', 'estmemory': 46080},
+    {'scheme': 'aimer128s_mem', 'implementation': 'mem_opt', 'estmemory': 39936},
+    {'scheme': 'aimer256f_mem', 'implementation': 'mem_opt', 'estmemory': 105472},
+    {'scheme': 'aimer256s_mem', 'implementation': 'mem_opt', 'estmemory': 135168},
+    {'scheme': 'aimer128f_mem', 'implementation': 'mem_opt', 'estmemory': 22528},
     {'scheme': 'ascon-sign-128f-robust', 'implementation': 'ref', 'estmemory': 21504},
     {'scheme': 'ascon-sign-128f-simple', 'implementation': 'ref', 'estmemory': 21504},
     {'scheme': 'ascon-sign-128s-robust', 'implementation': 'ref', 'estmemory': 12288},