756c352963
The only change to the go build -gcflags=-m=2 output was to remove these two lines: sync/map.go:178:26: &e.p escapes to heap sync/map.go:178:26: from &e.p (passed to call[argument escapes]) at sync/map.go:178:25 Benchstat report for sync.Map benchmarks: name old time/op new time/op delta LoadMostlyHits/*sync_test.DeepCopyMap-12 10.6ns ±11% 10.2ns ± 3% ~ (p=0.299 n=10+8) LoadMostlyHits/*sync_test.RWMutexMap-12 54.6ns ± 3% 54.6ns ± 2% ~ (p=0.782 n=10+10) LoadMostlyHits/*sync.Map-12 10.1ns ± 1% 10.1ns ± 1% ~ (p=1.127 n=10+8) LoadMostlyMisses/*sync_test.DeepCopyMap-12 8.65ns ± 1% 8.77ns ± 5% +1.39% (p=0.017 n=9+10) LoadMostlyMisses/*sync_test.RWMutexMap-12 53.6ns ± 2% 53.8ns ± 2% ~ (p=0.408 n=10+9) LoadMostlyMisses/*sync.Map-12 7.37ns ± 1% 7.46ns ± 1% +1.19% (p=0.000 n=9+10) LoadOrStoreBalanced/*sync_test.RWMutexMap-12 895ns ± 4% 906ns ± 3% ~ (p=0.203 n=9+10) LoadOrStoreBalanced/*sync.Map-12 872ns ±10% 804ns ±12% -7.75% (p=0.014 n=10+10) LoadOrStoreUnique/*sync_test.RWMutexMap-12 1.29µs ± 2% 1.28µs ± 1% ~ (p=0.586 n=10+9) LoadOrStoreUnique/*sync.Map-12 1.30µs ± 7% 1.40µs ± 2% +6.95% (p=0.000 n=9+10) LoadOrStoreCollision/*sync_test.DeepCopyMap-12 6.98ns ± 1% 6.91ns ± 1% -1.10% (p=0.000 n=10+10) LoadOrStoreCollision/*sync_test.RWMutexMap-12 371ns ± 1% 372ns ± 2% ~ (p=0.679 n=9+9) LoadOrStoreCollision/*sync.Map-12 5.49ns ± 1% 5.49ns ± 1% ~ (p=0.732 n=9+10) Range/*sync_test.DeepCopyMap-12 2.49µs ± 1% 2.50µs ± 0% ~ (p=0.148 n=10+10) Range/*sync_test.RWMutexMap-12 54.7µs ± 1% 54.6µs ± 3% ~ (p=0.549 n=9+10) Range/*sync.Map-12 2.74µs ± 1% 2.76µs ± 1% +0.68% (p=0.011 n=10+8) AdversarialAlloc/*sync_test.DeepCopyMap-12 2.52µs ± 5% 2.54µs ± 7% ~ (p=0.225 n=10+10) AdversarialAlloc/*sync_test.RWMutexMap-12 108ns ± 1% 107ns ± 1% ~ (p=0.101 n=10+9) AdversarialAlloc/*sync.Map-12 712ns ± 2% 714ns ± 3% ~ (p=0.984 n=8+10) AdversarialDelete/*sync_test.DeepCopyMap-12 581ns ± 3% 578ns ± 3% ~ (p=0.781 n=9+9) AdversarialDelete/*sync_test.RWMutexMap-12 126ns ± 2% 126ns ± 1% ~ (p=0.883 n=10+10) AdversarialDelete/*sync.Map-12 155ns ± 8% 158ns ± 2% ~ (p=0.158 n=10+9) Change-Id: I1ed8e3109baca03087d0fad3df769fc7e38f6dbb Reviewed-on: https://go-review.googlesource.com/137441 Reviewed-by: Bryan C. Mills <bcmills@google.com> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> |
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