Make the Rust compiler 5% faster with this one weird trick
kobzol.github.io
TL;DR: On Linux, if you have Transparent Huge Pages enabled, you can try to run cargo with the environment variable MALLOC_CONF="thp:always,metadata_thp:always" for a potential ~5% speed boost.

TL;DR: On Linux, if you have Transparent Huge Pages enabled, you can try to run cargo with the environment variable MALLOC_CONF=“thp:always,metadata_thp:always” for a potential ~5% speed boost.