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| author | Dmitriy Vyukov <dvyukov@google.com> | 2014-01-21 11:20:23 +0400 |
|---|---|---|
| committer | Dmitriy Vyukov <dvyukov@google.com> | 2014-01-21 11:20:23 +0400 |
| commit | 1ba04c171a3c3a1ea0e5157e8340b606ec9d8949 (patch) | |
| tree | 4f83adad4db1e331a5cc4b6d32643e176fb4ea57 /src/pkg/runtime/proc.c | |
| parent | abd588aa835fa3f462640cc8eba6d192a8462667 (diff) | |
| download | go-1ba04c171a3c3a1ea0e5157e8340b606ec9d8949.tar.xz | |
runtime: per-P defer pool
Instead of a per-goroutine stack of defers for all sizes,
introduce per-P defer pool for argument sizes 8, 24, 40, 56, 72 bytes.
For a program that starts 1e6 goroutines and then joins then:
old: rss=6.6g virtmem=10.2g time=4.85s
new: rss=4.5g virtmem= 8.2g time=3.48s
R=golang-codereviews, rsc
CC=golang-codereviews
https://golang.org/cl/42750044
Diffstat (limited to 'src/pkg/runtime/proc.c')
| -rw-r--r-- | src/pkg/runtime/proc.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/src/pkg/runtime/proc.c b/src/pkg/runtime/proc.c index 693cacaa58..47012ae550 100644 --- a/src/pkg/runtime/proc.c +++ b/src/pkg/runtime/proc.c @@ -204,7 +204,6 @@ runtime·main(void) d.link = g->defer; d.argp = (void*)-1; d.special = true; - d.free = false; g->defer = &d; if(m != &runtime·m0) |