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runtime: switch to using new timer code

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No big changes in the runtime package benchmarks.

Changes in the time package benchmarks:

name                      old time/op  new time/op  delta
AfterFunc-12              1.57ms ± 1%  0.07ms ± 1%  -95.42%  (p=0.000 n=10+8)
After-12                  1.63ms ± 3%  0.11ms ± 1%  -93.54%  (p=0.000 n=9+10)
Stop-12                   78.3µs ± 3%  73.6µs ± 3%   -6.01%  (p=0.000 n=9+10)
SimultaneousAfterFunc-12   138µs ± 1%   111µs ± 1%  -19.57%  (p=0.000 n=10+9)
StartStop-12              28.7µs ± 1%  31.5µs ± 5%   +9.64%  (p=0.000 n=10+7)
Reset-12                  6.78µs ± 1%  4.24µs ± 7%  -37.45%  (p=0.000 n=9+10)
Sleep-12                   183µs ± 1%   125µs ± 1%  -31.67%  (p=0.000 n=10+9)
Ticker-12                 5.40ms ± 2%  0.03ms ± 1%  -99.43%  (p=0.000 n=10+10)
Sub-12                     114ns ± 1%   113ns ± 3%     ~     (p=0.069 n=9+10)
Now-12                    37.2ns ± 1%  36.8ns ± 3%     ~     (p=0.287 n=8+8)
NowUnixNano-12            38.1ns ± 2%  37.4ns ± 3%   -1.87%  (p=0.020 n=10+9)
Format-12                  252ns ± 2%   195ns ± 3%  -22.61%  (p=0.000 n=9+10)
FormatNow-12               234ns ± 1%   177ns ± 2%  -24.34%  (p=0.000 n=10+10)
MarshalJSON-12             320ns ± 2%   250ns ± 0%  -21.94%  (p=0.000 n=8+8)
MarshalText-12             320ns ± 2%   245ns ± 2%  -23.30%  (p=0.000 n=9+10)
Parse-12                   206ns ± 2%   208ns ± 4%     ~     (p=0.084 n=10+10)
ParseDuration-12          89.1ns ± 1%  86.6ns ± 3%   -2.78%  (p=0.000 n=10+10)
Hour-12                   4.43ns ± 2%  4.46ns ± 1%     ~     (p=0.324 n=10+8)
Second-12                 4.47ns ± 1%  4.40ns ± 3%     ~     (p=0.145 n=9+10)
Year-12                   14.6ns ± 1%  14.7ns ± 2%     ~     (p=0.112 n=9+9)
Day-12                    20.1ns ± 3%  20.2ns ± 1%     ~     (p=0.404 n=10+9)

Updates #6239
Updates #27707

Change-Id: I51e25a90f941574f1a9cf83a22e84ac8c678537d
Reviewed-on: https://go-review.googlesource.com/c/go/+/171883
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
This commit is contained in:
Ian Lance Taylor 2019-04-11 16:53:11 -07:00
parent 81a74b4e8d
commit 6becb03334
1 changed files with 1 additions and 1 deletions
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2
src/runtime/time.go
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@ -14,7 +14,7 @@ import (
)
// Temporary scaffolding while the new timer code is added.
const oldTimers = true
const oldTimers = false
// Package time knows the layout of this structure.
// If this struct changes, adjust ../time/sleep.go:/runtimeTimer.