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authork0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2018-05-07 16:16:59 (GMT)
committerk0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2018-05-07 16:16:59 (GMT)
commit6c62356e5a7a48aea74b06573ba56c5c3e333d80 (patch)
treeb8c1ffaa5dde2e42c713ea45731f3f7aedd78220 /mjit_compile.c
parenta4a66510fb90ae9e94992dc1f547f3dc1626fb6a (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.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mjit_compile.c b/mjit_compile.c
index 4f87550..e01f6b3 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 */