ruby.git/lib/rubygems/safe_marshal/elements.rb, branch v4.0.4 The Ruby Programming Language Merge RubyGems-3.5.3 and Bundler-2.5.3 2023-12-23T00:34:26+00:00 Hiroshi SHIBATA hsbt@ruby-lang.org 2023-12-23T00:08:54+00:00 7d7a84e99fca816ec352c95965687db240fb56d3 






[rubygems/rubygems] Aggressively optimize allocations in SafeMarshal
2023-09-21T07:40:58+00:00

Samuel Giddins
segiddins@segiddins.me

2023-09-21T04:32:09+00:00

0a423d4c4e84bc024d5dabe86227c1f0b509a898

Reduces allocations in a bundle install --full-index by an order of magnitude

Main wins are (a) getting rid of exessive string allocations for exception message stack

(b) Avoiding hash allocations caused by kwargs for #initialize

(c) avoid using unpack to do bit math, its easy enough to do by hand

(d) special case the most common elements so they can be read without an allocation

(e) avoid string allocations every time a symbol->string lookup is done by using symbol#name

https://github.com/rubygems/rubygems/commit/7d2ee51402





Reduces allocations in a bundle install --full-index by an order of magnitude

Main wins are (a) getting rid of exessive string allocations for exception message stack

(b) Avoiding hash allocations caused by kwargs for #initialize

(c) avoid using unpack to do bit math, its easy enough to do by hand

(d) special case the most common elements so they can be read without an allocation

(e) avoid string allocations every time a symbol->string lookup is done by using symbol#name

https://github.com/rubygems/rubygems/commit/7d2ee51402







[rubygems/rubygems] Add a Marshal.load replacement that walks an AST to safely load permitted classes/symbols
2023-09-20T02:02:58+00:00

Samuel Giddins
segiddins@segiddins.me

2023-08-18T20:35:23+00:00

d182d83ce929cd322f4a6fd134cd31be950eca77

https://github.com/rubygems/rubygems/commit/7e4478fe73





https://github.com/rubygems/rubygems/commit/7e4478fe73