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| author | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-06-06 20:57:48 +0000 |
|---|---|---|
| committer | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-06-06 20:57:48 +0000 |
| commit | 609939f8c6cb595eaa7d36eee030e8c10c6f6ad9 (patch) | |
| tree | e6847c611729466e42797fb4eff4d175d2b6a901 /vm_opts.h | |
| parent | 0dc50688926fbd424cfa75f436fc1d59b479a1e1 (diff) | |
| download | ruby-609939f8c6cb595eaa7d36eee030e8c10c6f6ad9.tar.gz | |
rb_vm_insn_addr2insn: use st to perform addr2insn mapping
The current VM_INSTRUCTION_SIZE is 198, so the linear search
painful during a major GC phase.
I noticed rb_vm_insn_addr2insn2 showing up at the top of some
profiles while working on some malloc-related stuff, so I
decided to attack it.
Most notably, the benchmark/bm_vm3_gc.rb improves by over 40%:
https://80x24.org/spew/20180602220554.GA9991@whir/raw
[ruby-core:87361] [Feature #14814]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63594 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'vm_opts.h')
0 files changed, 0 insertions, 0 deletions