runtime: speedup malloc stats collection
Count only number of frees, everything else is derivable
and does not need to be counted on every malloc.
benchmark old ns/op new ns/op delta
BenchmarkMalloc8 68 66 -3.07%
BenchmarkMalloc16 75 70 -6.48%
BenchmarkMallocTypeInfo8 102 97 -4.80%
BenchmarkMallocTypeInfo16 108 105 -2.78%
linux/arm pandaboard alarm(~/go/src/pkg/runtime) % ~/go/misc/benchcmp {old,new}.txt benchmark old ns/op new ns/op delta BenchmarkMalloc8 485 452 ...
10 years, 11 months ago
(2013-05-27 12:47:42 UTC)
#3
linux/arm pandaboard
alarm(~/go/src/pkg/runtime) % ~/go/misc/benchcmp {old,new}.txt
benchmark old ns/op new ns/op delta
BenchmarkMalloc8 485 452 -6.80%
BenchmarkMalloc16 548 513 -6.39%
BenchmarkMallocTypeInfo8 659 638 -3.19%
BenchmarkMallocTypeInfo16 714 687 -3.78%
It will be interesting to see the results combined with 9776043
That should read, 9790043, but you probably knew that. On Mon, May 27, 2013 at ...
10 years, 11 months ago
(2013-05-27 12:48:14 UTC)
#4
That should read, 9790043, but you probably knew that.
On Mon, May 27, 2013 at 10:47 PM, <dave@cheney.net> wrote:
> linux/arm pandaboard
>
> alarm(~/go/src/pkg/runtime) % ~/go/misc/benchcmp {old,new}.txt
>
> benchmark old ns/op new ns/op delta
> BenchmarkMalloc8 485 452 -6.80%
> BenchmarkMalloc16 548 513 -6.39%
> BenchmarkMallocTypeInfo8 659 638 -3.19%
> BenchmarkMallocTypeInfo16 714 687 -3.78%
>
>
> It will be interesting to see the results combined with 9776043
>
> https://codereview.appspot.com/9776043/
*** Submitted as https://code.google.com/p/go/source/detail?r=b1217a6ca24c *** runtime: speedup malloc stats collection Count only number of frees, ...
10 years, 11 months ago
(2013-06-06 10:56:58 UTC)
#7
*** Submitted as https://code.google.com/p/go/source/detail?r=b1217a6ca24c ***
runtime: speedup malloc stats collection
Count only number of frees, everything else is derivable
and does not need to be counted on every malloc.
benchmark old ns/op new ns/op delta
BenchmarkMalloc8 68 66 -3.07%
BenchmarkMalloc16 75 70 -6.48%
BenchmarkMallocTypeInfo8 102 97 -4.80%
BenchmarkMallocTypeInfo16 108 105 -2.78%
R=golang-dev, dave, rsc
CC=golang-dev
https://codereview.appspot.com/9776043
Issue 9776043: code review 9776043: runtime: speedup malloc stats collection
(Closed)
Created 10 years, 12 months ago by dvyukov
Modified 10 years, 11 months ago
Reviewers:
Base URL:
Comments: 0
