| commit | a55645fa3481413b335561924d8fa626ce440ad4 | [log] [tgz] |
|---|---|---|
| author | Brad Fitzpatrick <bradfitz@golang.org> | Tue Apr 14 12:30:47 2020 -0700 |
| committer | Brad Fitzpatrick <bradfitz@golang.org> | Tue Apr 14 20:50:19 2020 +0000 |
| tree | e3526773d6569bdb38f6c5552ec87940ec99e9d6 | |
| parent | ab31e2749f89a65a6381348baa008a7f5010b8b5 [diff] |
math/big: don't use Float in init to help linker discard 162 KiB Removes 162 KiB from binaries that don't use math/big.Float: -rwxr-xr-x 1 bradfitz bradfitz 1916590 Apr 14 12:21 x.after -rwxr-xr-x 1 bradfitz bradfitz 2082575 Apr 14 12:21 x.before No change in deps (this package already used sync). No change in benchmarks: name old time/op new time/op delta FloatSqrt/64-8 1.06µs ±10% 1.03µs ± 6% ~ (p=0.133 n=10+9) FloatSqrt/128-8 2.26µs ± 9% 2.28µs ± 9% ~ (p=0.460 n=10+8) FloatSqrt/256-8 2.29µs ± 5% 2.31µs ± 3% ~ (p=0.214 n=9+9) FloatSqrt/1000-8 5.82µs ± 3% 5.87µs ± 7% ~ (p=0.666 n=9+9) FloatSqrt/10000-8 56.4µs ± 5% 57.0µs ± 6% ~ (p=0.436 n=10+10) FloatSqrt/100000-8 1.34ms ± 8% 1.31ms ± 3% ~ (p=0.447 n=10+9) FloatSqrt/1000000-8 106ms ± 5% 107ms ± 7% ~ (p=0.315 n=10+10) name old alloc/op new alloc/op delta FloatSqrt/64-8 280B ± 0% 280B ± 0% ~ (all equal) FloatSqrt/128-8 504B ± 0% 504B ± 0% ~ (all equal) FloatSqrt/256-8 344B ± 0% 344B ± 0% ~ (all equal) FloatSqrt/1000-8 1.30kB ± 0% 1.30kB ± 0% ~ (all equal) FloatSqrt/10000-8 13.5kB ± 0% 13.5kB ± 0% ~ (p=0.403 n=10+10) FloatSqrt/100000-8 123kB ± 0% 123kB ± 0% ~ (p=0.393 n=10+10) FloatSqrt/1000000-8 1.84MB ± 7% 1.84MB ± 5% ~ (p=0.739 n=10+10) name old allocs/op new allocs/op delta FloatSqrt/64-8 8.00 ± 0% 8.00 ± 0% ~ (all equal) FloatSqrt/128-8 11.0 ± 0% 11.0 ± 0% ~ (all equal) FloatSqrt/256-8 5.00 ± 0% 5.00 ± 0% ~ (all equal) FloatSqrt/1000-8 6.00 ± 0% 6.00 ± 0% ~ (all equal) FloatSqrt/10000-8 6.00 ± 0% 6.00 ± 0% ~ (all equal) FloatSqrt/100000-8 6.00 ± 0% 6.00 ± 0% ~ (all equal) FloatSqrt/1000000-8 10.9 ±10% 10.8 ±17% ~ (p=0.974 n=10+10) Change-Id: I3337f1f531bf7b4fae192b9d90cd24ff2be14fea Reviewed-on: https://go-review.googlesource.com/c/go/+/228108 Reviewed-by: Robert Griesemer <gri@golang.org> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
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