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| author | vpachkov <slava.pach@gmail.com> | 2021-12-02 16:18:29 +0300 |
|---|---|---|
| committer | Emmanuel Odeke <emmanuel@orijtech.com> | 2022-04-05 14:34:18 +0000 |
| commit | 1a955bcdb701d788b048a39d7273621729e257bc (patch) | |
| tree | c7994e551ca448fc6d1759c93f5c753a20e17e85 /src/syscall/exec_libc.go | |
| parent | 5210a7128563e64952d432a0efd2d38c32cd090c (diff) | |
| download | go-1a955bcdb701d788b048a39d7273621729e257bc.tar.xz | |
reflectdata: unroll a loop in array equal function generation
As josharian mentioned, a compare function could benefit from
unrolling a loop for arrays. This commit introduces such
functionality.
name old time/op new time/op delta
EqArrayOfStrings5-12 12.5ns ± 1% 8.4ns ± 1% -33.05% (p=0.008 n=5+5)
EqArrayOfStrings64-12 71.7ns ± 1% 64.1ns ± 1% -10.57% (p=0.008 n=5+5)
EqArrayOfStrings1024-12 1.12µs ± 1% 1.01µs ± 0% -9.77% (p=0.008 n=5+5)
[Geo mean] 100ns 81ns -18.56%
name old time/op new time/op delta
EqArrayOfFloats5-12 4.50ns ± 2% 3.32ns ± 1% -26.09% (p=0.008 n=5+5)
EqArrayOfFloats64-12 41.3ns ± 1% 35.7ns ± 0% -13.63% (p=0.016 n=5+4)
EqArrayOfFloats1024-12 619ns ± 1% 557ns ± 1% -9.95% (p=0.008 n=5+5)
[Geo mean] 48.6ns 40.4ns -16.85%
Change-Id: If1b69c5cf3fb246bb0275a292118b0b93ad9c9a8
Reviewed-on: https://go-review.googlesource.com/c/go/+/368614
Reviewed-by: Keith Randall <khr@golang.org>
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
Run-TryBot: Emmanuel Odeke <emmanuel@orijtech.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Diffstat (limited to 'src/syscall/exec_libc.go')
0 files changed, 0 insertions, 0 deletions