libmimalloc-sys is used at run time in 260 crates (of which 97 optionally). It is a direct run-time dependency in 8 crates. It's used only as a dev dependency in 63 crates.

Depender (with downloads and own rev deps) libmimalloc-sys version
777K 256 mimalloc ^0.1.40
49K 7 parity-util-mem optional ^0.1.14
12K pyembed optional ^0.1.28
850 2 difftastic =0.1.24
750 30 tetsy-util-mem optional ^0.1.14
mimalloc2 ^0.1
baz-difftastic =0.1.24
1 difftastic-lib =0.1.24