diff options
| author | Dmitriy Vyukov <dvyukov@google.com> | 2011-08-04 08:31:03 -0400 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2011-08-04 08:31:03 -0400 |
| commit | d770aadee5063ecc54ca8f57fc4906972a2de033 (patch) | |
| tree | f38c9cb08fcb79c4bd098e03a445f646eeb35ab8 /src/pkg/runtime/runtime.h | |
| parent | 62d4b8ebd2c00e3c3d54d05dc7fe56d829b5aa01 (diff) | |
| download | go-d770aadee5063ecc54ca8f57fc4906972a2de033.tar.xz | |
runtime: faster chan creation on Linux/FreeBSD/Plan9
The change removes chan finalizer (Lock destructor)
if it is not required on the platform.
benchmark old ns/op new ns/op delta
BenchmarkChanCreation 1132.00 381.00 -66.34%
BenchmarkChanCreation-2 1215.00 243.00 -80.00%
BenchmarkChanCreation-4 1084.00 186.00 -82.84%
BenchmarkChanCreation-8 1415.00 154.00 -89.12%
BenchmarkChanCreation-16 1386.00 144.00 -89.61%
(on 2 x Intel Xeon E5620, 8 HT cores, 2.4 GHz, Linux)
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4841041
Diffstat (limited to 'src/pkg/runtime/runtime.h')
| -rw-r--r-- | src/pkg/runtime/runtime.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/pkg/runtime/runtime.h b/src/pkg/runtime/runtime.h index 434c82b95d..d2e4378b59 100644 --- a/src/pkg/runtime/runtime.h +++ b/src/pkg/runtime/runtime.h @@ -380,6 +380,7 @@ extern uint32 runtime·panicking; extern int32 runtime·gcwaiting; // gc is waiting to run int8* runtime·goos; extern bool runtime·iscgo; +extern void (*runtime·destroylock)(Lock*); /* * common functions and data @@ -515,7 +516,6 @@ void runtime·starttheworld(void); */ void runtime·lock(Lock*); void runtime·unlock(Lock*); -void runtime·destroylock(Lock*); /* * sleep and wakeup on one-time events. |