make opt_case_dispatch leaf
This instruction can be written without rb_funcall. It not only boosts performance of case statements, but also makes room of future JIT improvements. Because opt_case_dispatch is about optimization this should not be a bad thing to have.
trunk: ruby 2.6.0dev (2018-09-05 trunk 64634) [x86_64-darwin15] ours: ruby 2.6.0dev (2018-09-12 leaf-insn 64688) [x86_64-darwin15] last_commit=make opt_case_dispatch leaf Calculating ------------------------------------- trunk ours vm2_case_lit 1.366 2.012 i/s - 1.000 times in 0.731839s 0.497008s
Comparison: vm2_case_lit ours: 2.0 i/s trunk: 1.4 i/s - 1.47x slower
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64689 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added by shyouhei (Shyouhei Urabe) almost 7 years ago
make opt_case_dispatch leaf
This instruction can be written without rb_funcall. It not only boosts
performance of case statements, but also makes room of future JIT
improvements. Because opt_case_dispatch is about optimization this
should not be a bad thing to have.
trunk: ruby 2.6.0dev (2018-09-05 trunk 64634) [x86_64-darwin15]
ours: ruby 2.6.0dev (2018-09-12 leaf-insn 64688) [x86_64-darwin15]
last_commit=make opt_case_dispatch leaf
Calculating -------------------------------------
trunk ours
vm2_case_lit 1.366 2.012 i/s - 1.000 times in 0.731839s 0.497008s
Comparison:
vm2_case_lit
ours: 2.0 i/s
trunk: 1.4 i/s - 1.47x slower
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64689 b2dd03c8-39d4-4d8f-98ff-823fe69b080e