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ruby-1.9.3-p125 cumulative performance patch, with Xcode 4.3 command line tools compatible.

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0-readme.md
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Patched ruby 1.9.3-p125 for 30% faster rails boot

What is?

This script installs a patched version of ruby 1.9.3-p125 with patches to make ruby-debug work again (#47) and boot-time performance improvements (#66 and #68), and runtime performance improvements (#83 and #84).

It works with Xcode 4.3 and the clang compiler it ships with its command line tools package.

Huge thanks to funny-falcon for the performance patches.

What I need?

  • rbenv + ruby-build or rvm
  • autoconf (brew update && brew install autoconf)
  • Xcode 4.3 with command line tools package

How do I do?

If you're using rbenv:

curl https://raw.github.com/gist/1935250/rbenv.sh | sh

If you're using rvm:

rvm reinstall 1.9.3 --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
2-1.9.3-p125-patched.sh
Shell
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build_package_combined_patch() {
local package_name="$1"
 
{
curl https://github.com/ruby/ruby/pull/47.diff | git apply
curl https://raw.github.com/gist/1859082/e3045dc53595c72490bbaccc90a663b9f9a0f44b/performance_and_backport_gc.patch | patch -p1
autoconf
./configure --prefix="$PREFIX_PATH" $CONFIGURE_OPTS
make -j 8
make install
} >&4 2>&1
 
}
 
install_package "yaml-0.1.4" "http://pyyaml.org/download/libyaml/yaml-0.1.4.tar.gz"
install_package "ruby-1.9.3-p125" "http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p125.tar.gz" combined_patch
rbenv.sh
Shell
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VERSION="1.9.3-p125"
curl https://raw.github.com/gist/1935250/2-$VERSION-patched.sh > /tmp/$VERSION-perf
CC=`which clang` rbenv install /tmp/$VERSION-perf

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