Meng Zhuo 119d76d98e math/bits: folded reverse tables by using const string ... linux/mips64le name old time/op new time/op delta Reverse 2.31ns ± 1% 2.27ns ± 1% -1.53% (p=0.001 n=10+10) Reverse8 0.65ns ± 1% 0.65ns ± 1% -1.19% (p=0.000 n=9+10) Reverse16 1.15ns ± 2% 1.14ns ± 2% ~ (p=0.062 n=9+10) Reverse32 1.96ns ± 1% 1.94ns ± 1% -1.16% (p=0.000 n=10+9) Reverse64 2.29ns ± 1% 2.26ns ± 0% -0.94% (p=0.000 n=9+9) ReverseBytes 0.66ns ± 3% 0.65ns ± 1% -1.58% (p=0.006 n=9+10) ReverseBytes16 0.66ns ± 2% 0.65ns ± 1% -2.05% (p=0.000 n=10+9) ReverseBytes32 0.41ns ± 1% 0.40ns ± 0% -1.68% (p=0.000 n=10+10) ReverseBytes64 0.66ns ± 1% 0.65ns ± 1% -1.50% (p=0.000 n=10+9) cpu=1 benchtime=100ms count=100 name old time/op new time/op delta Reverse 28.0ns ± 3% 27.7ns ± 3% -0.80% (p=0.000 n=100+98) Reverse8 2.24ns ± 1% 2.24ns ± 1% ~ (p=0.142 n=98+100) Reverse16 4.07ns ± 3% 4.05ns ± 3% -0.66% (p=0.000 n=99+99) Reverse32 11.3ns ± 0% 11.3ns ± 0% ~ (p=0.283 n=94+97) Reverse64 12.6ns ± 0% 12.6ns ± 0% +0.60% (p=0.000 n=100+98) ReverseBytes 5.25ns ± 1% 5.24ns ± 1% -0.18% (p=0.000 n=100+100) ReverseBytes16 2.00ns ± 0% 2.21ns ± 3% +10.07% (p=0.000 n=88+100) ReverseBytes32 4.08ns ± 2% 4.13ns ± 2% +1.39% (p=0.000 n=99+99) ReverseBytes64 5.48ns ± 1% 5.45ns ± 1% -0.50% (p=0.000 n=98+99) Update #43403 Change-Id: I7e7e00bb17608739d9f6b927c6dfef2580493a0e Reviewed-on: https://go-review.googlesource.com/c/go/+/280645 Trust: Meng Zhuo <mzh@golangcn.org> Trust: Josh Bleecher Snyder <josharian@gmail.com> Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com> Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> TryBot-Result: Go Bot <gobot@golang.org>		2021-03-17 03:18:12 +00:00
..
big	math/big: add shrVU and shlVU benchmarks	2021-03-07 23:02:35 +00:00
bits	math/bits: folded reverse tables by using const string	2021-03-17 03:18:12 +00:00
cmplx	all: go fmt std cmd (but revert vendor)	2021-02-20 03:54:50 +00:00
rand	all: go fmt std cmd (but revert vendor)	2021-02-20 03:54:50 +00:00
abs.go
acos_s390x.s
acosh_s390x.s	math: use new mnemonics for 'rotate then insert' on s390x	2019-04-16 15:34:41 +00:00
acosh.go	math: Remove redundant local variable Ln2	2020-09-19 09:09:52 +00:00
all_test.go	cmd/compile: optimize single-precision floating point square root	2021-03-02 06:38:07 +00:00
arith_s390x_test.go
arith_s390x.go	math: simplify hasVX checking on s390x	2020-04-27 20:06:57 +00:00
asin_s390x.s
asin.go
asinh_s390x.s	math: use new mnemonics for 'rotate then insert' on s390x	2019-04-16 15:34:41 +00:00
asinh.go
atan2_s390x.s	math: correct Atan2(±y,+∞) = ±0 on s390x	2020-03-25 04:06:34 +00:00
atan2.go
atan_s390x.s	math: use new mnemonics for 'rotate then insert' on s390x	2019-04-16 15:34:41 +00:00
atan.go
atanh_s390x.s	math: use new mnemonics for 'rotate then insert' on s390x	2019-04-16 15:34:41 +00:00
atanh.go
bits.go
cbrt_s390x.s	math: use new mnemonics for 'rotate then insert' on s390x	2019-04-16 15:34:41 +00:00
cbrt.go
const.go
copysign.go
cosh_s390x.s	math: use new mnemonics for 'rotate then insert' on s390x	2019-04-16 15:34:41 +00:00
dim_amd64.s
dim_arm64.s
dim_riscv64.s	math: implement Min/Max in riscv64 assembly	2020-05-04 17:29:13 +00:00
dim_s390x.s
dim.go
erf_s390x.s	math: use new mnemonics for 'rotate then insert' on s390x	2019-04-16 15:34:41 +00:00
erf.go
erfc_s390x.s	math: use new mnemonics for 'rotate then insert' on s390x	2019-04-16 15:34:41 +00:00
erfinv.go
example_test.go	math: add function examples.	2020-05-02 20:22:19 +00:00
exp_amd64.s	math: fix dead link to springerlink (now link.springer)	2020-05-29 14:33:50 +00:00
exp_arm64.s
exp_asm.go	all: go fmt std cmd (but revert vendor)	2021-02-20 03:54:50 +00:00
exp_s390x.s	math: use new mnemonics for 'rotate then insert' on s390x	2019-04-16 15:34:41 +00:00
exp.go
expm1_s390x.s	math: use new mnemonics for 'rotate then insert' on s390x	2019-04-16 15:34:41 +00:00
expm1.go
export_s390x_test.go
export_test.go
floor_386.s
floor_amd64.s
floor_arm64.s
floor_ppc64x.s
floor_s390x.s
floor_wasm.s
floor.go
fma.go	math, cmd/compile: rename Fma to FMA	2019-11-07 14:51:06 +00:00
frexp.go
gamma.go
huge_test.go	all: go fmt std cmd (but revert vendor)	2021-02-20 03:54:50 +00:00
hypot_386.s
hypot_amd64.s
hypot.go
j0.go	all: s/cancelation/cancellation/	2019-04-16 20:27:15 +00:00
j1.go	all: s/cancelation/cancellation/	2019-04-16 20:27:15 +00:00
jn.go
ldexp.go
lgamma.go
log1p_s390x.s	math: use new mnemonics for 'rotate then insert' on s390x	2019-04-16 15:34:41 +00:00
log1p.go	math: simplify the code	2020-08-15 02:20:42 +00:00
log10_s390x.s	math: use new mnemonics for 'rotate then insert' on s390x	2019-04-16 15:34:41 +00:00
log10.go
log_amd64.s
log_s390x.s	math: use new mnemonics for 'rotate then insert' on s390x	2019-04-16 15:34:41 +00:00
log.go
logb.go
mod.go
modf_arm64.s
modf_ppc64x.s
modf.go
nextafter.go
pow10.go
pow_s390x.s	math: use new mnemonics for 'rotate then insert' on s390x	2019-04-16 15:34:41 +00:00
pow.go
remainder.go
signbit.go
sin_s390x.s
sin.go
sincos.go
sinh_s390x.s	math: use new mnemonics for 'rotate then insert' on s390x	2019-04-16 15:34:41 +00:00
sinh.go
sqrt_386.s
sqrt_amd64.s
sqrt_arm64.s
sqrt_arm.s
sqrt_mipsx.s
sqrt_ppc64x.s
sqrt_riscv64.s	math: implement Sqrt in assembly for riscv64	2020-02-25 16:43:26 +00:00
sqrt_s390x.s
sqrt_wasm.s
sqrt.go	math: fix typo in sqrt.go code comment	2021-01-27 00:15:06 +00:00
stubs_386.s	math: remove most 387 implementations	2021-02-19 00:41:09 +00:00
stubs_amd64.s	math: consolidate assembly stub implementations	2019-04-23 14:50:16 +00:00
stubs_arm64.s	math: consolidate assembly stub implementations	2019-04-23 14:50:16 +00:00
stubs_arm.s	math: consolidate assembly stub implementations	2019-04-23 14:50:16 +00:00
stubs_mips64x.s	math: consolidate assembly stub implementations	2019-04-23 14:50:16 +00:00
stubs_mipsx.s	math: consolidate assembly stub implementations	2019-04-23 14:50:16 +00:00
stubs_ppc64x.s	math: consolidate assembly stub implementations	2019-04-23 14:50:16 +00:00
stubs_riscv64.s	math: implement Min/Max in riscv64 assembly	2020-05-04 17:29:13 +00:00
stubs_s390x.s	math: simplify hasVX checking on s390x	2020-04-27 20:06:57 +00:00
stubs_wasm.s	math: consolidate assembly stub implementations	2019-04-23 14:50:16 +00:00
tan_s390x.s
tan.go
tanh_s390x.s	math: use new mnemonics for 'rotate then insert' on s390x	2019-04-16 15:34:41 +00:00
tanh.go
trig_reduce.go	math/cmplx: implement Payne-Hanek range reduction	2020-03-14 04:12:41 +00:00
unsafe.go