diff options
| author | k0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-05-07 16:16:59 +0000 |
|---|---|---|
| committer | k0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-05-07 16:16:59 +0000 |
| commit | 6c62356e5a7a48aea74b06573ba56c5c3e333d80 (patch) | |
| tree | b8c1ffaa5dde2e42c713ea45731f3f7aedd78220 /mjit_compile.c | |
| parent | a4a66510fb90ae9e94992dc1f547f3dc1626fb6a (diff) | |
_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
Diffstat (limited to 'mjit_compile.c')
| -rw-r--r-- | mjit_compile.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/mjit_compile.c b/mjit_compile.c index 4f87550e78..e01f6b3cda 100644 --- a/mjit_compile.c +++ b/mjit_compile.c @@ -27,6 +27,7 @@ struct compile_status { /* If TRUE, JIT-ed code will use local variables to store pushed values instead of using VM's stack and moving stack pointer. */ int local_stack_p; + const char *funcname; /* the method name which is being compiled */ }; /* Storage to keep data which is consistent in each conditional branch. @@ -193,6 +194,7 @@ mjit_compile(FILE *f, const struct rb_iseq_constant_body *body, const char *func status.success = TRUE; status.local_stack_p = !body->catch_except_p; status.stack_size_for_pos = ALLOC_N(int, body->iseq_size); + status.funcname = funcname; memset(status.stack_size_for_pos, NOT_COMPILED_STACK_SIZE, sizeof(int) * body->iseq_size); /* For performance, we verify stack size only on compilation time (mjit_compile.inc.erb) without --jit-debug */ |