Module#name shows up as a top C method callee in lobsters so probably common enough. It's also easy to substitute thanks to rb_mod_name() already having no GC yield points.
klass = BasicObject 50_000_000.times { klass.name } Benchmark 1: /.rubies/post/bin/ruby --yjit mod_name.rb Time (mean ± σ): 1.433 s ± 0.010 s [User: 1.410 s, System: 0.010 s] Range (min … max): 1.421 s … 1.449 s 10 runs Benchmark 2: /.rubies/mstr/bin/ruby --yjit mod_name.rb Time (mean ± σ): 1.491 s ± 0.012 s [User: 1.468 s, System: 0.010 s] Range (min … max): 1.470 s … 1.511 s 10 runs Summary /.rubies/post/bin/ruby --yjit mod_name.rb ran 1.04 ± 0.01 times faster than /.rubies/mstr/bin/ruby --yjit mod_name.rb
Added by alanwu (Alan Wu) about 1 year ago
YJIT: Fastpath for Module#name (#11819)
Module#name shows up as a top C method callee in lobsters so probably
common enough. It's also easy to substitute thanks to rb_mod_name()
already having no GC yield points.