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author | k0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-07-19 13:25:22 +0000 |
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committer | k0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-07-19 13:25:22 +0000 |
commit | c86fc2bba5db7b5fc38714deeec29fd2948cc786 (patch) | |
tree | f170a966368c5e9948e10084c7488b199ca64942 /tool/ruby_vm/views/_mjit_compile_insn.erb | |
parent | 33f2c8940e3bb044489fd8ec0dec2eb47ffc0b3c (diff) |
mjit_compile.c: reduce sp motion on JIT
This retries r62655, which was reverted at r63863 for r63763.
tool/ruby_vm/views/_mjit_compile_insn.erb: revert the revert.
tool/ruby_vm/views/_mjit_compile_insn_body.erb: ditto.
tool/ruby_vm/views/_mjit_compile_pc_and_sp.erb: ditto.
tool/ruby_vm/views/_mjit_compile_send.erb: ditto.
tool/ruby_vm/views/mjit_compile.inc.erb: ditto.
tool/ruby_vm/views/_insn_entry.erb: revert half of r63763. The commit
was originally reverted since changing pc motion was bad for tracing,
but changing sp motion was totally fine. For JIT, I wanna resurrect
the sp motion change in r62051.
tool/ruby_vm/models/bare_instructions.rb: ditto.
insns.def: ditto.
vm_insnhelper.c: ditto.
vm_insnhelper.h: ditto.
* benchmark
$ benchmark-driver benchmark.yml --rbenv 'before;after;before --jit;after --jit' --repeat-count 12 -v
before: ruby 2.6.0dev (2018-07-19 trunk 63998) [x86_64-linux]
after: ruby 2.6.0dev (2018-07-19 add-sp 63998) [x86_64-linux]
last_commit=mjit_compile.c: reduce sp motion on JIT
before --jit: ruby 2.6.0dev (2018-07-19 trunk 63998) +JIT [x86_64-linux]
after --jit: ruby 2.6.0dev (2018-07-19 add-sp 63998) +JIT [x86_64-linux]
last_commit=mjit_compile.c: reduce sp motion on JIT
Calculating -------------------------------------
before after before --jit after --jit
Optcarrot Lan_Master.nes 51.354 50.238 70.010 72.139 fps
Comparison:
Optcarrot Lan_Master.nes
after --jit: 72.1 fps
before --jit: 70.0 fps - 1.03x slower
before: 51.4 fps - 1.40x slower
after: 50.2 fps - 1.44x slower
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63999 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'tool/ruby_vm/views/_mjit_compile_insn.erb')
-rw-r--r-- | tool/ruby_vm/views/_mjit_compile_insn.erb | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tool/ruby_vm/views/_mjit_compile_insn.erb b/tool/ruby_vm/views/_mjit_compile_insn.erb index 90127aa330..e0955687cc 100644 --- a/tool/ruby_vm/views/_mjit_compile_insn.erb +++ b/tool/ruby_vm/views/_mjit_compile_insn.erb @@ -20,6 +20,11 @@ MAYBE_UNUSED(<%= ope.fetch(:decl) %>) = (<%= ope.fetch(:type) %>)operands[<%= i %>]; % end % +% # JIT: Declare stack_size to be used in some macro of _mjit_compile_insn_body.erb + if (status->local_stack_p) { + fprintf(f, " MAYBE_UNUSED(unsigned int) stack_size = %u;\n", b->stack_size); + } +% % # JIT: Declare variables for operands, popped values and return values % insn.declarations.each do |decl| fprintf(f, " <%= decl %>;\n"); |