Egon Elbre 9d53d7aa02 slices: optimize Index and Compact for large types ... Using `for i, v := range` loops causes extra copies. Try to get rid of as much copies as possible. goos: windows goarch: amd64 pkg: slices cpu: AMD Ryzen Threadripper 2950X 16-Core Processor │ old.txt~ │ new.txt~ │ │ sec/op │ sec/op vs base │ EqualFunc_Large-32 1.077m ± 1% 1.072m ± 1% ~ (p=0.631 n=10) Index_Large-32 346.329µ ± 1% 6.510µ ± 24% -98.12% (p=0.000 n=10) IndexFunc_Large-32 502.9µ ± 0% 381.2µ ± 1% -24.21% (p=0.000 n=10) Compact_Large-32 409.5µ ± 1% 145.2µ ± 9% -64.54% (p=0.000 n=10) CompactFunc_Large-32 693.5µ ± 1% 663.1µ ± 3% -4.39% (p=0.000 n=10) geomean 556.3µ 191.3µ -65.61% Change-Id: I36a2f2172cf30d97a5aa6f8d7cf6981d67daec62 Reviewed-on: https://go-review.googlesource.com/c/go/+/486235 Run-TryBot: Ian Lance Taylor <iant@google.com> Auto-Submit: Ian Lance Taylor <iant@google.com> Reviewed-by: Ian Lance Taylor <iant@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Bryan Mills <bcmills@google.com>		2023-04-19 19:09:29 +00:00
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slices.go	slices: optimize Index and Compact for large types	2023-04-19 19:09:29 +00:00
slices_test.go	slices: optimize Index and Compact for large types	2023-04-19 19:09:29 +00:00