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sync: add new Map method LoadAndDelete
This CL implements a LoadAndDelete method in sync.Map. Benchmark: name time/op LoadAndDeleteBalanced/*sync_test.RWMutexMap-12 98.8ns ± 1% LoadAndDeleteBalanced/*sync.Map-12 10.3ns ±11% LoadAndDeleteUnique/*sync_test.RWMutexMap-12 99.2ns ± 2% LoadAndDeleteUnique/*sync.Map-12 6.63ns ±10% LoadAndDeleteCollision/*sync_test.DeepCopyMap-12 140ns ± 0% LoadAndDeleteCollision/*sync_test.RWMutexMap-12 75.2ns ± 2% LoadAndDeleteCollision/*sync.Map-12 5.21ns ± 5% In addition, Delete is bounded and more efficient if many collisions: DeleteCollision/*sync_test.DeepCopyMap-12 120ns ± 2% 125ns ± 1% +3.80% (p=0.000 n=10+9) DeleteCollision/*sync_test.RWMutexMap-12 73.5ns ± 3% 79.5ns ± 1% +8.03% (p=0.000 n=10+9) DeleteCollision/*sync.Map-12 97.8ns ± 3% 5.9ns ± 4% -94.00% (p=0.000 n=10+10) Fixes #33762 Change-Id: Ic8469a7861d27ab0edeface0078aad8af9b26c2f Reviewed-on: https://go-review.googlesource.com/c/go/+/205899 Reviewed-by: Bryan C. Mills <[email protected]> Run-TryBot: Bryan C. Mills <[email protected]> TryBot-Result: Gobot Gobot <[email protected]>
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Original file line number | Diff line number | Diff line change |
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@@ -1,2 +1,3 @@ | ||
pkg testing, method (*T) Deadline() (time.Time, bool) | ||
pkg time, method (*Ticker) Reset(Duration) | ||
pkg sync, method (*Map) LoadAndDelete(interface{}) (interface{}, bool) |
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