Ruby

_mjit_compile_send.erb: inline recursive call

mjit_compile.c: propagate funcname to compile_insn

test_jit.rb: add test covering this behavior

• Benchmark

require 'benchmark_driver' Benchmark.driver(runner: :time, repeat_count: 4) do |x| x.prelude %{ def fib(x) return x if x == 0 || x == 1 fib(x-1) + fib(x-2) end } x.report 'fib(40)' x.loop_count 1 x.rbenv( 'before,--jit', 'before', 'after,--jit', 'after', ) x.verbose end 

before,--jit: ruby 2.6.0dev (2018-05-08 trunk 63349) +JIT [x86_64-linux] before: ruby 2.6.0dev (2018-05-08 trunk 63349) [x86_64-linux] after,--jit: ruby 2.6.0dev (2018-05-08 trunk 63349) +JIT [x86_64-linux] last_commit=_mjit_compile_send.erb: inline recursive call after: ruby 2.6.0dev (2018-05-08 trunk 63349) [x86_64-linux] last_commit=_mjit_compile_send.erb: inline recursive call Calculating ------------------------------------- before,--jit before after,--jit after fib(40) 2.886 8.685 2.562 8.800 s - 1.000 times Comparison: fib(40) after,--jit: 2.6 s before,--jit: 2.9 s - 1.13x slower before: 8.7 s - 3.39x slower after: 8.8 s - 3.44x slower 

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63350 b2dd03c8-39d4-4d8f-98ff-823fe69b080e