From: samuel@... Date: 2019-07-17T23:12:02+00:00 Subject: [ruby-core:93825] [Ruby master Bug#16009] Performance regression in 2.7 Issue #16009 has been updated by ioquatix (Samuel Williams). Comparing master branch with master + reverted 88449100bc6d23a00dbf3addb97665f4f606f2b8 koyoko% make benchmark ITEM=vm2_fiber_gc COMPARE_RUBY=`which ruby` ../revision.h unchanged /home/samuel/.rvm/rubies/ruby-2.6.3/bin/ruby --disable=gems -rrubygems -I../benchmark/lib ../benchmark/benchmark-driver/exe/benchmark-driver \ --executables="compare-ruby::/home/samuel/.rvm/rubies/ruby-head-master/bin/ruby -I.ext/common --disable-gem" \ --executables="built-ruby::./miniruby -I../lib -I. -I.ext/common ../tool/runruby.rb --extout=.ext -- --disable-gems --disable-gem" \ $(find ../benchmark -maxdepth 1 -name '*vm2_fiber_gc*.yml' -o -name '*vm2_fiber_gc*.rb' | sort) Calculating ------------------------------------- compare-ruby built-ruby vm2_fiber_reuse_gc 27.009 35.982 i/s - 100.000 times in 3.702437s 2.779146s Comparison: vm2_fiber_reuse_gc built-ruby: 36.0 i/s compare-ruby: 27.0 i/s - 1.33x slower ---------------------------------------- Bug #16009: Performance regression in 2.7 https://bugs.ruby-lang.org/issues/16009#change-79692 * Author: ioquatix (Samuel Williams) * Status: Open * Priority: Normal * Assignee: ko1 (Koichi Sasada) * Target version: * ruby -v: * Backport: 2.5: UNKNOWN, 2.6: UNKNOWN ---------------------------------------- ``` Number is requests/s dcf5c19c9f89d732da70a1a16a2fe60cd1999bcc 7561.82 c53f87943e53c96b86d50b496d2a410ff1245b4c 7534.09 d2003a6d392b3b0054d7528e2e731584196aefad 7467.44, 7458.18, 7111.09, 7293.74, 7493.13 f54aa6c5b286b2b44bcdb1958fc9b1ebfce3559e 7558.63 18e43e823106f15c8aaceb1f56874bdf67bc36a3 7439.23, 7356.25, 7437.61, 7489.07 7069f64c419ebb9a7fd3e48d81454148ed4b2fba 7580.31 a160b2f56716f70fa3e485ae89875da48baefc1d 7597.52 88449100bc6d23a00dbf3addb97665f4f606f2b8 7258.96, 7184.62, 7190.71 *** Performance regression e0f0ab959e9a0fa3db8dfdb2a493b057d6e7541b 7145.69, 7061.17, 7217.51 4d9c3a8c2362b7d5973057435258e447ce733741 7276.46, 7203.8 498113d5d39a4227c2b9a9c11bea895fe316e6b9 7218.93 c55db6aa271df4a689dc8eb0039c929bf6ed43ff 7149.20 ``` -- https://bugs.ruby-lang.org/ Unsubscribe: