Ruby with jemalloc

By Ryan Romanchuk
On April 23, 2022

Determine if binary was built with jemalloc

ruby -r rbconfig -e "puts RbConfig::CONFIG['MAINLIBS']"
-lpthread -ljemalloc -lgmp -ldl -lobjc

Build with jeamalloc

sudo apt install libjemalloc-dev rust -y
git -C ~/.rbenv/plugins/ruby-build pull
RUBY_CONFIGURE_OPTS="--with-jemalloc --enable-yjit --disable-install-doc" rbenv install 3.1.2