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ruby-1.9.3-p194 cumulative performance patch.

Patched ruby 1.9.3-p194 for 30% faster rails boot

What is?

This script installs a patched version of ruby 1.9.3-p194 with patches for boot-time performance improvements (#66 and #68), and runtime performance improvements (#83 and #84). It also includes the new backported GC from ruby-trunk.

Huge thanks to funny-falcon for the performance patches.

What I need?

  • rbenv
  • ruby-build

OR

  • rvm

How do I do?

If you're using rbenv:

curl https://raw.github.com/gist/2600122/rbenv.sh | sh && rbenv global 1.9.3-p194-perf

If you're using rvm:

rvm get head && rvm reinstall 1.9.3-perf --patch falcon

BONUS!

Putting the following in your shell config (eg. ~/.bash_profile) will make Rails even faster, but will increase its memory footprint:

export RUBY_HEAP_MIN_SLOTS=1000000
export RUBY_HEAP_SLOTS_INCREMENT=1000000
export RUBY_HEAP_SLOTS_GROWTH_FACTOR=1
export RUBY_GC_MALLOC_LIMIT=1000000000
export RUBY_HEAP_FREE_MIN=500000
build_package_combined_patch() {
local package_name="$1"
{
curl https://raw.github.com/gist/2593385/perf_and_gc.diff | patch -p1
autoconf
./configure --prefix="$PREFIX_PATH" $CONFIGURE_OPTS
make -j 8
make install
} >&4 2>&1
}
#require_gcc
install_package "yaml-0.1.4" "http://pyyaml.org/download/libyaml/yaml-0.1.4.tar.gz"
install_package "ruby-1.9.3-p194" "http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p194.tar.gz" combined_patch
VERSION="1.9.3-p194"
curl https://raw.github.com/gist/3181738/2-$VERSION-patched.sh > /tmp/$VERSION-perf
rbenv install /tmp/$VERSION-perf
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