ruby/benchmark/mjit_leave.yml

prelude: |
  def leave
    nil
  end
benchmark:
  mjit_leave: leave
loop_count: 200000000
Make JIT-ed leave insn leaf to eliminate sp / pc moves by cancelling JIT execution on interrupts. $ benchmark-driver benchmark.yml -v --rbenv 'before --jit;after --jit' --repeat-count=12 --output=all before --jit: ruby 2.8.0dev (2020-04-01T03:48:56Z master 5a81562dfe) +JIT [x86_64-linux] after --jit: ruby 2.8.0dev (2020-04-01T04:58:01Z master 39beb26a27) +JIT [x86_64-linux] Calculating ------------------------------------- before --jit after --jit Optcarrot Lan_Master.nes 75.06409603894944 76.06422026555558 fps 75.12025067279242 78.48161731616810 77.42020273492177 79.78958240950033 79.07253675128945 79.88645902325614 79.99179109732327 80.33743931749331 80.07633091008627 80.53790081529166 80.15450942667547 80.99048270668010 80.48372803283709 81.70497146081003 80.57410149187352 82.79494539467382 81.80449157081202 82.85797792223954 82.24629397834902 83.00603891515506 82.63708148686703 83.23221006969828 $ benchmark-driver -v --rbenv 'before;before --jit;after --jit' benchmark/mjit_leave.yml --repeat-count=4 before: ruby 2.8.0dev (2020-04-01T03:48:56Z master 5a81562dfe) [x86_64-linux] before --jit: ruby 2.8.0dev (2020-04-01T03:48:56Z master 5a81562dfe) +JIT [x86_64-linux] after --jit: ruby 2.8.0dev (2020-04-01T04:58:01Z master 39beb26a27) +JIT [x86_64-linux] Calculating ------------------------------------- before before --jit after --jit mjit_leave 106.656M 82.786M 91.635M i/s - 200.000M times in 1.875183s 2.415881s 2.182569s Comparison: mjit_leave before: 106656239.9 i/s after --jit: 91635143.7 i/s - 1.16x slower before --jit: 82785537.2 i/s - 1.29x slower 2020-04-01 07:58:01 +03:00			`prelude: \|`
			`def leave`
			`nil`
			`end`
			`benchmark:`
			`mjit_leave: leave`
			`loop_count: 200000000`