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Optimize exivar access on JIT-ed getivar

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JIT support of dd723771c1.

$ benchmark-driver -v --rbenv 'before;before --jit;after --jit' benchmark/mjit_exivar.yml --repeat-count=4
before: ruby 2.8.0dev (2020-03-30T12:32:26Z master e5db3da9d3) [x86_64-linux]
before --jit: ruby 2.8.0dev (2020-03-30T12:32:26Z master e5db3da9d3) +JIT [x86_64-linux]
after --jit: ruby 2.8.0dev (2020-03-31T05:57:24Z mjit-exivar 128625baec) +JIT [x86_64-linux]
Calculating -------------------------------------
                         before  before --jit  after --jit
         mjit_exivar    57.944M       53.579M      54.471M i/s -    200.000M times in 3.451588s 3.732772s 3.671687s

Comparison:
                      mjit_exivar
              before:  57944345.1 i/s
         after --jit:  54470876.7 i/s - 1.06x  slower
        before --jit:  53579483.4 i/s - 1.08x  slower
This commit is contained in:
Takashi Kokubun 2020-03-30 22:27:01 -07:00
parent e5db3da9d3
commit b736ea63bd
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GPG key ID: 6FFC433B12EE23DD
7 changed files with 107 additions and 12 deletions
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debug_counter.h
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@ -328,6 +328,7 @@ RB_DEBUG_COUNTER(mjit_frame_JT2VM)
/* MJIT cancel counters */
RB_DEBUG_COUNTER(mjit_cancel)
RB_DEBUG_COUNTER(mjit_cancel_ivar_inline)
RB_DEBUG_COUNTER(mjit_cancel_exivar_inline)
RB_DEBUG_COUNTER(mjit_cancel_send_inline)
RB_DEBUG_COUNTER(mjit_cancel_opt_insn) /* CALL_SIMPLE_METHOD */
RB_DEBUG_COUNTER(mjit_cancel_invalidate_all)