Performance Result Comparison

label

common value

mpratt@google.com

cpu

Intel(R) Xeon(R) W-2135 CPU @ 3.70GHz

goarch

amd64

goos

linux

upload

20210420.5

upload-time

2021-04-20T14:17:30Z

label

values

pkg

upload-part:20210420.5/0:

800	"runtime"
370	"time"

upload-part:20210420.5/1:

800	"runtime"
370	"time"

upload-file

upload-part:20210420.5/0:

1170	"before.txt"

upload-part:20210420.5/1:

1170	"after.txt"

upload-part

upload-part:20210420.5/0:

1170	"20210420.5/0"

upload-part:20210420.5/1:

1170	"20210420.5/1"

	upload-part:20210420.5/0	upload-part:20210420.5/1
	time/op		delta
pkg:runtime
MakeChan/Byte-12	31.9ns ± 0%	31.8ns ± 1%	−0.35%	(p=0.011 n=8+10)
MakeChan/Int-12	37.9ns ± 2%	37.4ns ± 1%	−1.31%	(p=0.000 n=10+9)
MakeChan/Ptr-12	91.3ns ± 0%	91.1ns ± 0%	−0.21%	(p=0.028 n=8+10)
MakeChan/Struct/0-12	28.6ns ± 1%	28.9ns ± 3%	~	(p=0.051 n=9+10)
MakeChan/Struct/32-12	63.3ns ± 1%	64.6ns ± 3%	~	(p=0.165 n=10+10)
MakeChan/Struct/40-12	74.0ns ± 1%	73.0ns ± 1%	−1.41%	(p=0.000 n=10+10)
ChanNonblocking-12	0.64ns ± 2%	0.64ns ± 1%	~	(p=0.278 n=10+9)
SelectUncontended-12	12.3ns ± 0%	12.3ns ± 0%	−0.16%	(p=0.031 n=8+10)
SelectSyncContended-12	2.54µs ± 1%	2.64µs ± 1%	+3.88%	(p=0.000 n=10+10)
SelectAsyncContended-12	365ns ± 3%	369ns ± 1%	~	(p=0.118 n=10+10)
SelectNonblock-12	2.50ns ± 3%	2.46ns ± 1%	−1.59%	(p=0.046 n=10+9)
ChanUncontended-12	464ns ± 1%	466ns ± 3%	~	(p=0.605 n=9+9)
ChanContended-12	17.9µs ± 0%	17.5µs ± 1%	−2.15%	(p=0.000 n=8+10)
ChanSync-12	157ns ± 1%	159ns ± 2%	+0.74%	(p=0.018 n=9+10)
ChanSyncWork-12	21.5µs ± 0%	21.5µs ± 0%	~	(p=0.159 n=10+10)
ChanProdCons0-12	620ns ± 4%	613ns ± 2%	~	(p=0.469 n=10+10)
ChanProdCons10-12	384ns ± 3%	383ns ± 3%	~	(p=0.870 n=10+10)
ChanProdCons100-12	212ns ± 4%	213ns ± 3%	~	(p=0.328 n=9+9)
ChanProdConsWork0-12	646ns ± 3%	650ns ± 3%	~	(p=0.353 n=10+10)
ChanProdConsWork10-12	556ns ± 2%	548ns ± 2%	−1.34%	(p=0.027 n=8+10)
ChanProdConsWork100-12	476ns ± 1%	480ns ± 3%	~	(p=0.127 n=9+10)
SelectProdCons-12	806ns ± 1%	811ns ± 2%	~	(p=0.075 n=10+10)
ChanCreation-12	25.0ns ± 8%	24.5ns ± 5%	~	(p=0.289 n=10+10)
ChanSem-12	165ns ± 9%	164ns ± 1%	~	(p=0.150 n=10+9)
ChanPopular-12	688µs ± 2%	698µs ± 3%	~	(p=0.089 n=10+10)
ChanClosed-12	0.77ns ± 1%	0.77ns ± 1%	~	(p=0.255 n=10+10)
Allocation-12	5.23µs ± 3%	5.37µs ± 7%	~	(p=0.210 n=10+10)
ReadMemStats-12	10.0µs ± 1%	10.0µs ± 1%	~	(p=0.128 n=10+10)
WriteBarrier-12	9.67ns ± 3%	9.66ns ± 3%	~	(p=0.796 n=10+10)
BulkWriteBarrier-12	2.28ns ± 1%	2.30ns ± 1%	+0.96%	(p=0.003 n=10+10)
ScanStackNoLocals-12	18.2ms ± 0%	18.2ms ± 0%	~	(p=0.165 n=10+10)
MSpanCountAlloc/bits=64-12	3.41ns ± 0%	3.42ns ± 0%	+0.11%	(p=0.036 n=10+9)
MSpanCountAlloc/bits=128-12	3.93ns ± 0%	3.93ns ± 0%	~	(p=0.409 n=10+9)
MSpanCountAlloc/bits=256-12	5.22ns ± 1%	5.23ns ± 1%	~	(p=0.912 n=10+10)
MSpanCountAlloc/bits=512-12	7.62ns ± 0%	7.61ns ± 0%	~	(p=0.467 n=10+10)
MSpanCountAlloc/bits=1024-12	13.1ns ± 6%	13.4ns ± 8%	~	(p=0.497 n=9+10)
GoroutineSelect-12	868µs ± 1%	890µs ± 1%	+2.50%	(p=0.000 n=9+10)
GoroutineBlocking-12	628µs ± 1%	629µs ± 1%	~	(p=0.744 n=10+8)
GoroutineForRange-12	624µs ± 2%	628µs ± 2%	~	(p=0.077 n=9+9)
GoroutineIdle-12	519µs ± 1%	527µs ± 1%	+1.39%	(p=0.001 n=10+9)
Finalizer-12	551µs ± 0%	548µs ± 0%	−0.50%	(p=0.000 n=10+10)
FinalizerRun-12	564ns ± 2%	556ns ± 7%	~	(p=0.905 n=9+10)
NetpollBreak-12	3.96µs ± 0%	3.03µs ± 0%	−23.47%	(p=0.000 n=10+10)
Syscall-12	6.18ns ± 2%	6.13ns ± 1%	~	(p=0.182 n=10+9)
SyscallWork-12	10.4ns ± 0%	10.4ns ± 1%	+0.49%	(p=0.043 n=10+10)
SyscallExcess-12	6.61ns ± 2%	6.57ns ± 3%	~	(p=0.481 n=10+10)
SyscallExcessWork-12	11.1ns ± 1%	11.1ns ± 2%	~	(p=0.782 n=10+10)
PingPongHog-12	467ns ±11%	451ns ±23%	~	(p=0.436 n=10+10)
StackGrowth-12	128ns ± 0%	128ns ± 0%	~	(p=0.892 n=9+8)
StackGrowthDeep-12	14.9µs ± 1%	14.9µs ± 1%	~	(p=0.699 n=10+10)
CreateGoroutines-12	151ns ± 3%	150ns ± 1%	~	(p=0.447 n=10+10)
CreateGoroutinesParallel-12	24.8ns ± 1%	24.8ns ± 1%	~	(p=0.587 n=10+9)
CreateGoroutinesCapture-12	1.06µs ± 1%	1.06µs ± 1%	+0.80%	(p=0.001 n=10+10)
CreateGoroutinesSingle-12	358ns ± 3%	278ns ± 2%	−22.44%	(p=0.000 n=10+10)
WakeupParallelSpinning/0s-12	14.1µs ± 1%	14.1µs ± 1%	~	(p=0.896 n=10+10)
WakeupParallelSpinning/1µs-12	18.0µs ± 0%	18.0µs ± 0%	−0.19%	(p=0.037 n=10+9)
WakeupParallelSpinning/2µs-12	19.6µs ± 0%	19.6µs ± 0%	~	(p=0.060 n=10+10)
WakeupParallelSpinning/5µs-12	31.6µs ± 0%	31.6µs ± 0%	~	(p=0.264 n=9+10)
WakeupParallelSpinning/10µs-12	51.1µs ± 0%	51.1µs ± 0%	~	(p=0.130 n=9+9)
WakeupParallelSpinning/20µs-12	91.9µs ± 0%	91.9µs ± 0%	~	(p=0.680 n=10+8)
WakeupParallelSpinning/50µs-12	214µs ± 0%	214µs ± 0%	~	(p=0.676 n=9+10)
WakeupParallelSpinning/100µs-12	333µs ± 0%	333µs ± 0%	~	(p=0.442 n=8+8)
WakeupParallelSyscall/0s-12	134µs ± 0%	134µs ± 0%	~	(p=0.853 n=10+10)
WakeupParallelSyscall/1µs-12	136µs ± 0%	137µs ± 1%	~	(p=0.079 n=10+9)
WakeupParallelSyscall/2µs-12	139µs ± 0%	139µs ± 0%	−0.32%	(p=0.001 n=9+10)
WakeupParallelSyscall/5µs-12	140µs ± 0%	140µs ± 0%	~	(p=0.684 n=10+10)
WakeupParallelSyscall/10µs-12	152µs ± 0%	152µs ± 1%	~	(p=0.796 n=10+10)
WakeupParallelSyscall/20µs-12	175µs ± 0%	176µs ± 0%	~	(p=0.095 n=9+10)
WakeupParallelSyscall/50µs-12	242µs ± 0%	242µs ± 0%	~	(p=0.280 n=10+10)
WakeupParallelSyscall/100µs-12	346µs ± 0%	346µs ± 0%	~	(p=0.661 n=10+9)
RWMutexUncontended-12	10.4ns ± 1%	10.3ns ± 0%	~	(p=0.325 n=10+8)
RWMutexWrite100-12	97.7ns ± 0%	97.3ns ± 1%	−0.46%	(p=0.001 n=10+10)
RWMutexWrite10-12	265ns ± 1%	272ns ± 0%	+2.37%	(p=0.000 n=10+8)
RWMutexWorkWrite100-12	156ns ± 0%	158ns ± 0%	+0.99%	(p=0.000 n=9+10)
RWMutexWorkWrite10-12	790ns ± 0%	793ns ± 1%	+0.43%	(p=0.002 n=8+10)
StackCopyPtr-12	69.4ms ± 1%	69.3ms ± 1%	~	(p=0.353 n=10+10)
StackCopy-12	52.0ms ± 0%	52.2ms ± 0%	+0.50%	(p=0.001 n=10+10)
StackCopyNoCache-12	2.89ms ± 1%	2.88ms ± 1%	−0.38%	(p=0.045 n=10+9)
pkg:time
AfterFunc-12	74.0µs ± 3%	73.9µs ± 3%	~	(p=0.971 n=10+10)
After-12	111µs ± 3%	111µs ± 3%	~	(p=0.853 n=10+10)
Stop-12	76.0µs ± 6%	75.6µs ±11%	~	(p=0.912 n=10+10)
SimultaneousAfterFunc-12	113µs ± 2%	113µs ± 2%	~	(p=0.971 n=10+10)
StartStop-12	36.2µs ± 9%	35.2µs ± 7%	~	(p=0.631 n=10+10)
Reset-12	4.04µs ± 2%	4.04µs ± 1%	~	(p=0.592 n=10+10)
Sleep-12	147µs ± 2%	138µs ± 2%	−6.42%	(p=0.000 n=9+10)
Ticker-12	35.4µs ± 2%	35.3µs ± 1%	~	(p=0.447 n=10+9)
TickerReset-12	4.17µs ± 1%	4.15µs ± 1%	~	(p=0.280 n=10+10)
TickerResetNaive-12	74.2µs ± 7%	72.9µs ± 8%	~	(p=0.579 n=10+10)
Now-12	37.4ns ± 0%	37.3ns ± 0%	~	(p=0.703 n=10+9)
NowUnixNano-12	38.7ns ± 0%	38.8ns ± 0%	+0.27%	(p=0.000 n=10+10)
NowUnixMilli-12	38.6ns ± 0%	38.6ns ± 0%	~	(p=0.182 n=10+10)
NowUnixMicro-12	38.7ns ± 0%	38.6ns ± 0%	~	(p=0.566 n=10+10)
Format-12	325ns ± 0%	326ns ± 2%	~	(p=0.703 n=10+9)
FormatNow-12	181ns ± 0%	181ns ± 0%	~	(p=0.087 n=9+10)
MarshalJSON-12	260ns ± 0%	260ns ± 0%	~	(p=0.120 n=9+9)
MarshalText-12	259ns ± 0%	259ns ± 0%	~	(p=0.583 n=8+10)
Parse-12	173ns ± 0%	173ns ± 0%	~	(p=0.858 n=8+10)
ParseDuration-12	87.9ns ± 1%	87.8ns ± 0%	~	(p=0.870 n=10+10)
Hour-12	4.91ns ± 0%	4.92ns ± 1%	+0.22%	(p=0.033 n=9+10)
Second-12	4.92ns ± 1%	4.92ns ± 0%	~	(p=0.172 n=10+9)
Year-12	15.5ns ± 0%	15.5ns ± 0%	~	(p=0.901 n=8+9)
Day-12	19.7ns ± 0%	19.8ns ± 1%	~	(p=0.299 n=10+10)
ISOWeek-12	21.8ns ± 0%	21.8ns ± 0%	~	(p=0.575 n=10+9)
[Geo mean]	1.28µs	1.27µs	−0.55%

	cpu-time/op		delta
pkg:runtime
MakeChan/Byte-12	51.6ns ± 3%	51.1ns ± 3%	~	(p=0.143 n=10+10)
MakeChan/Int-12	68.6ns ± 2%	67.5ns ± 2%	−1.57%	(p=0.009 n=10+10)
MakeChan/Ptr-12	121ns ± 1%	121ns ± 1%	~	(p=0.497 n=8+10)
MakeChan/Struct/0-12	46.1ns ± 2%	47.0ns ± 3%	+1.97%	(p=0.001 n=9+10)
MakeChan/Struct/32-12	134ns ± 2%	134ns ± 2%	~	(p=0.796 n=10+10)
MakeChan/Struct/40-12	162ns ± 1%	157ns ± 2%	−3.63%	(p=0.000 n=10+10)
ChanNonblocking-12	7.60ns ± 2%	7.58ns ± 2%	~	(p=0.684 n=10+10)
SelectUncontended-12	146ns ± 0%	146ns ± 0%	~	(p=0.275 n=8+10)
SelectSyncContended-12	22.4µs ± 0%	23.1µs ± 0%	+3.15%	(p=0.000 n=8+9)
SelectAsyncContended-12	4.19µs ± 2%	4.23µs ± 2%	~	(p=0.113 n=9+10)
SelectNonblock-12	29.8ns ± 3%	29.3ns ± 1%	−1.75%	(p=0.043 n=10+8)
ChanUncontended-12	5.51µs ± 0%	5.51µs ± 0%	~	(p=0.920 n=10+9)
ChanContended-12	209µs ± 0%	204µs ± 2%	−2.22%	(p=0.000 n=8+10)
ChanSync-12	174ns ± 1%	175ns ± 2%	~	(p=0.062 n=9+10)
ChanSyncWork-12	23.3µs ± 0%	23.3µs ± 0%	−0.10%	(p=0.027 n=10+10)
ChanProdCons0-12	7.11µs ± 8%	6.53µs ± 2%	−8.16%	(p=0.000 n=10+9)
ChanProdCons10-12	4.12µs ± 3%	4.08µs ± 4%	~	(p=0.435 n=10+10)
ChanProdCons100-12	2.24µs ± 2%	2.29µs ± 5%	~	(p=0.237 n=8+10)
ChanProdConsWork0-12	6.95µs ± 2%	7.55µs ± 4%	+8.54%	(p=0.000 n=10+10)
ChanProdConsWork10-12	6.51µs ± 0%	6.42µs ± 1%	−1.27%	(p=0.005 n=7+9)
ChanProdConsWork100-12	5.56µs ± 1%	5.61µs ± 3%	~	(p=0.194 n=8+10)
SelectProdCons-12	9.02µs ± 1%	9.07µs ± 2%	~	(p=0.190 n=10+10)
ChanCreation-12	176ns ± 4%	172ns ± 2%	−2.35%	(p=0.037 n=10+9)
ChanSem-12	1.93µs ± 9%	1.92µs ± 1%	~	(p=0.149 n=10+9)
ChanPopular-12	7.86ms ± 3%	7.96ms ± 3%	~	(p=0.105 n=10+10)
ChanClosed-12	9.12ns ± 1%	9.15ns ± 1%	~	(p=0.287 n=10+9)
Allocation-12	41.8µs ± 2%	41.7µs ± 3%	~	(p=0.631 n=10+10)
ReadMemStats-12	13.8µs ± 1%	13.9µs ± 2%	+0.92%	(p=0.043 n=9+10)
WriteBarrier-12	98.1ns ± 5%	97.9ns ± 3%	~	(p=0.755 n=10+10)
BulkWriteBarrier-12	16.9ns ± 1%	17.0ns ± 1%	~	(p=0.138 n=10+9)
ScanStackNoLocals-12	2.56ms ± 6%	2.56ms ±10%	~	(p=0.853 n=10+10)
MSpanCountAlloc/bits=64-12	3.42ns ± 0%	3.42ns ± 0%	~	(p=0.387 n=10+9)
MSpanCountAlloc/bits=128-12	3.94ns ± 0%	3.93ns ± 0%	~	(p=0.411 n=10+9)
MSpanCountAlloc/bits=256-12	5.23ns ± 1%	5.23ns ± 1%	~	(p=0.912 n=10+10)
MSpanCountAlloc/bits=512-12	7.63ns ± 0%	7.63ns ± 0%	~	(p=0.541 n=10+10)
MSpanCountAlloc/bits=1024-12	13.1ns ± 6%	13.4ns ± 8%	~	(p=0.483 n=9+10)
GoroutineSelect-12	5.05µs ±13%	5.17µs ± 5%	~	(p=0.315 n=10+9)
GoroutineBlocking-12	2.27µs ±14%	2.05µs ±10%	−9.80%	(p=0.008 n=10+10)
GoroutineForRange-12	2.16µs ±11%	2.33µs ±20%	~	(p=0.079 n=9+10)
GoroutineIdle-12	3.83ms ± 1%	3.91ms ± 1%	+1.84%	(p=0.000 n=10+10)
ReadMetricsLatency-12	55.8µs ± 9%	56.7µs ± 7%	~	(p=0.529 n=10+10)
Finalizer-12	6.50ms ± 1%	6.49ms ± 1%	~	(p=0.165 n=10+10)
FinalizerRun-12	6.61µs ± 3%	6.48µs ± 7%	~	(p=0.618 n=9+10)
NetpollBreak-12	31.6µs ± 1%	13.1µs ± 1%	−58.58%	(p=0.000 n=10+10)
Syscall-12	69.0ns ± 2%	68.5ns ± 2%	~	(p=0.165 n=10+10)
SyscallWork-12	115ns ± 1%	115ns ± 1%	~	(p=0.079 n=10+9)
SyscallExcess-12	74.1ns ± 1%	73.4ns ± 3%	~	(p=0.190 n=10+10)
SyscallExcessWork-12	124ns ± 2%	123ns ± 3%	~	(p=0.446 n=10+10)
PingPongHog-12	467ns ±11%	451ns ±23%	~	(p=0.436 n=10+10)
StackGrowth-12	1.52µs ± 0%	1.52µs ± 0%	~	(p=0.624 n=9+9)
StackGrowthDeep-12	176µs ± 1%	176µs ± 1%	~	(p=0.579 n=10+10)
CreateGoroutines-12	169ns ± 3%	167ns ± 1%	~	(p=0.515 n=10+10)
CreateGoroutinesParallel-12	294ns ± 1%	294ns ± 1%	~	(p=0.162 n=10+9)
CreateGoroutinesCapture-12	1.46µs ± 2%	1.49µs ± 1%	+1.79%	(p=0.001 n=10+10)
CreateGoroutinesSingle-12	2.87µs ± 4%	0.92µs ± 1%	−67.82%	(p=0.000 n=10+9)
WakeupParallelSpinning/0s-12	20.9µs ± 1%	20.9µs ± 1%	~	(p=0.796 n=10+10)
WakeupParallelSpinning/1µs-12	25.2µs ± 1%	25.1µs ± 1%	−0.40%	(p=0.006 n=9+10)
WakeupParallelSpinning/2µs-12	22.8µs ± 0%	22.8µs ± 0%	~	(p=0.093 n=10+10)
WakeupParallelSpinning/5µs-12	34.4µs ± 0%	34.3µs ± 0%	−0.07%	(p=0.005 n=8+10)
WakeupParallelSpinning/10µs-12	60.3µs ± 0%	60.2µs ± 0%	−0.14%	(p=0.037 n=9+10)
WakeupParallelSpinning/20µs-12	96.7µs ± 0%	96.7µs ± 0%	~	(p=0.353 n=10+10)
WakeupParallelSpinning/50µs-12	226µs ± 0%	226µs ± 0%	−0.07%	(p=0.022 n=10+10)
WakeupParallelSpinning/100µs-12	439µs ± 0%	439µs ± 0%	~	(p=0.182 n=9+10)
WakeupParallelSyscall/0s-12	43.4µs ± 1%	43.3µs ± 1%	~	(p=0.549 n=9+10)
WakeupParallelSyscall/1µs-12	43.6µs ± 1%	44.0µs ± 3%	~	(p=0.133 n=10+9)
WakeupParallelSyscall/2µs-12	44.7µs ± 2%	44.2µs ± 2%	~	(p=0.101 n=10+10)
WakeupParallelSyscall/5µs-12	36.9µs ± 1%	36.6µs ± 1%	−0.80%	(p=0.015 n=10+10)
WakeupParallelSyscall/10µs-12	38.6µs ± 2%	38.5µs ± 2%	~	(p=0.529 n=10+10)
WakeupParallelSyscall/20µs-12	44.9µs ± 2%	45.2µs ± 1%	~	(p=0.258 n=9+9)
WakeupParallelSyscall/50µs-12	53.1µs ± 1%	53.8µs ± 2%	~	(p=0.063 n=10+10)
WakeupParallelSyscall/100µs-12	66.3µs ± 1%	66.6µs ± 3%	~	(p=0.905 n=9+10)
RWMutexUncontended-12	123ns ± 1%	123ns ± 1%	~	(p=0.254 n=10+10)
RWMutexWrite100-12	321ns ± 0%	316ns ± 0%	−1.80%	(p=0.000 n=10+9)
RWMutexWrite10-12	722ns ± 1%	737ns ± 0%	+2.00%	(p=0.000 n=10+8)
RWMutexWorkWrite100-12	712ns ± 0%	721ns ± 0%	+1.15%	(p=0.000 n=10+10)
RWMutexWorkWrite10-12	2.15µs ± 0%	2.17µs ± 1%	+0.65%	(p=0.000 n=8+10)
StackCopyPtr-12	70.4ms ± 1%	70.3ms ± 1%	~	(p=0.481 n=10+10)
StackCopy-12	52.6ms ± 1%	53.6ms ± 2%	+1.80%	(p=0.001 n=10+10)
StackCopyNoCache-12	3.03ms ± 2%	3.02ms ± 2%	~	(p=0.489 n=9+9)
pkg:time
AfterFunc-12	860µs ± 1%	873µs ± 3%	~	(p=0.101 n=8+10)
After-12	1.27ms ± 3%	1.27ms ± 2%	~	(p=0.661 n=10+9)
Stop-12	818µs ± 3%	811µs ± 6%	~	(p=0.971 n=10+10)
SimultaneousAfterFunc-12	1.29ms ± 2%	1.29ms ± 1%	~	(p=0.853 n=10+10)
StartStop-12	362µs ± 7%	350µs ± 1%	~	(p=0.065 n=10+9)
Reset-12	47.9µs ± 1%	48.1µs ± 1%	~	(p=0.133 n=9+10)
Sleep-12	1.57ms ± 1%	1.59ms ± 2%	+1.11%	(p=0.021 n=8+10)
ParallelTimerLatency-12	3.22ms ±10%	3.15ms ± 3%	~	(p=0.796 n=9+9)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=1-12	3.72ms ± 0%	3.73ms ± 0%	~	(p=0.218 n=10+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=2-12	7.39ms ± 0%	7.39ms ± 0%	−0.04%	(p=0.035 n=10+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=3-12	11.0ms ± 0%	11.1ms ± 0%	+0.04%	(p=0.000 n=9+8)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=4-12	14.7ms ± 0%	14.7ms ± 0%	~	(p=0.063 n=10+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=5-12	18.4ms ± 0%	18.4ms ± 0%	~	(p=0.161 n=9+9)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=6-12	22.1ms ± 0%	22.1ms ± 0%	~	(p=0.105 n=10+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=7-12	25.8ms ± 0%	25.8ms ± 1%	~	(p=0.720 n=10+9)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=8-12	29.3ms ± 0%	29.3ms ± 0%	~	(p=0.549 n=9+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=9-12	32.7ms ± 0%	32.7ms ± 0%	~	(p=0.529 n=10+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=10-12	36.1ms ± 0%	36.1ms ± 0%	~	(p=0.218 n=10+10)
StaggeredTickerLatency/work-dur=2ms/tickers-per-P=1-12	24.1ms ± 0%	24.1ms ± 0%	~	(p=0.077 n=9+9)
Ticker-12	422µs ± 2%	420µs ± 2%	~	(p=0.549 n=10+9)
TickerReset-12	49.7µs ± 1%	49.5µs ± 1%	~	(p=0.315 n=10+10)
TickerResetNaive-12	811µs ± 6%	791µs ± 6%	~	(p=0.165 n=10+10)
Now-12	37.4ns ± 0%	37.4ns ± 0%	~	(p=0.671 n=10+10)
NowUnixNano-12	38.8ns ± 0%	38.9ns ± 0%	+0.26%	(p=0.000 n=10+10)
NowUnixMilli-12	38.7ns ± 0%	38.6ns ± 0%	~	(p=0.060 n=10+9)
NowUnixMicro-12	38.7ns ± 0%	38.7ns ± 0%	~	(p=0.480 n=10+9)
Format-12	342ns ± 0%	343ns ± 2%	~	(p=0.326 n=10+9)
FormatNow-12	194ns ± 0%	194ns ± 0%	~	(p=1.000 n=10+10)
MarshalJSON-12	279ns ± 1%	278ns ± 0%	−0.34%	(p=0.007 n=10+9)
MarshalText-12	278ns ± 1%	277ns ± 0%	~	(p=0.825 n=10+9)
Parse-12	173ns ± 0%	173ns ± 0%	~	(p=0.792 n=9+10)
ParseDuration-12	88.0ns ± 1%	87.9ns ± 0%	~	(p=0.897 n=10+10)
Hour-12	4.92ns ± 0%	4.93ns ± 1%	+0.24%	(p=0.026 n=9+10)
Second-12	4.93ns ± 1%	4.92ns ± 0%	~	(p=0.088 n=10+9)
Year-12	15.5ns ± 0%	15.5ns ± 1%	~	(p=0.588 n=10+10)
Day-12	19.8ns ± 0%	19.8ns ± 1%	~	(p=0.174 n=10+10)
ISOWeek-12	21.8ns ± 0%	21.8ns ± 0%	~	(p=0.856 n=10+9)
[Geo mean]	7.33µs	7.20µs	−1.78%

	sched-p50-ns		delta
pkg:runtime
MakeChan/Byte-12	67.0 ± 0%	67.0 ± 0%	~	(all equal)
MakeChan/Int-12	67.0 ± 0%	67.0 ± 0%	~	(all equal)
MakeChan/Ptr-12	67.0 ± 0%	67.0 ± 0%	~	(all equal)
MakeChan/Struct/0-12	67.0 ± 0%	67.0 ± 0%	~	(all equal)
MakeChan/Struct/32-12	67.0 ± 0%	67.0 ± 0%	~	(all equal)
MakeChan/Struct/40-12	67.0 ± 0%	67.0 ± 0%	~	(all equal)
ChanNonblocking-12	308 ±10%	322 ±15%	~	(p=0.666 n=9+9)
SelectUncontended-12	283 ± 9%	282 ± 8%	~	(p=1.000 n=8+10)
SelectSyncContended-12	16.9k ± 2%	17.2k ± 0%	+1.52%	(p=0.033 n=10+10)
SelectAsyncContended-12	318 ± 9%	321 ± 8%	~	(p=0.803 n=10+10)
SelectNonblock-12	288 ± 1%	302 ±10%	~	(p=0.085 n=10+10)
ChanUncontended-12	275 ± 6%	279 ±19%	~	(p=0.904 n=9+9)
ChanContended-12	334 ±10%	334 ± 8%	~	(p=0.988 n=10+10)
ChanSync-12	81.8 ± 2%	83.4 ± 7%	~	(p=0.620 n=8+10)
ChanSyncWork-12	9.60k ± 0%	9.60k ± 0%	~	(all equal)
ChanProdCons0-12	4.68k ± 3%	4.54k ± 0%	−3.01%	(p=0.000 n=10+9)
ChanProdCons10-12	5.63k ± 1%	5.62k ± 1%	~	(p=1.000 n=10+10)
ChanProdCons100-12	21.6k ± 4%	21.8k ± 0%	~	(p=0.164 n=10+8)
ChanProdConsWork0-12	4.54k ± 0%	4.67k ± 0%	+2.82%	(p=0.000 n=8+9)
ChanProdConsWork10-12	9.60k ± 0%	9.60k ± 0%	~	(all equal)
ChanProdConsWork100-12	44.1k ± 3%	44.1k ± 1%	~	(p=1.000 n=10+10)
SelectProdCons-12	95.2k ± 0%	94.5k ± 1%	~	(p=0.206 n=9+9)
ChanCreation-12	91.0 ± 0%	91.0 ± 0%	~	(all equal)
ChanSem-12	339 ± 5%	330 ±13%	~	(p=0.093 n=9+9)
ChanPopular-12	285k ± 2%	289k ± 3%	~	(p=0.195 n=10+10)
ChanClosed-12	278 ±11%	274 ± 5%	~	(p=0.791 n=8+9)
Allocation-12	71.0 ± 6%	73.8 ±15%	~	(p=0.378 n=10+10)
ReadMemStats-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
WriteBarrier-12	146 ± 0%	146 ± 0%	~	(all equal)
BulkWriteBarrier-12	292 ± 0%	292 ± 0%	~	(all equal)
ScanStackNoLocals-12	142 ± 6%	128 ±33%	~	(p=0.577 n=8+10)
MSpanCountAlloc/bits=64-12	273 ± 7%	290 ±23%	~	(p=0.078 n=9+9)
MSpanCountAlloc/bits=128-12	247 ±36%	227 ±36%	~	(p=0.468 n=10+10)
MSpanCountAlloc/bits=256-12	253 ±35%	250 ±46%	~	(p=0.751 n=10+10)
MSpanCountAlloc/bits=512-12	305 ± 7%	253 ±28%	~	(p=0.051 n=8+10)
MSpanCountAlloc/bits=1024-12	288 ± 7%	245 ±35%	−14.86%	(p=0.012 n=10+10)
GoroutineSelect-12	141 ± 5%	131 ±37%	~	(p=0.954 n=8+10)
GoroutineBlocking-12	145 ± 7%	146 ± 6%	~	(p=0.790 n=9+8)
GoroutineForRange-12	147 ± 6%	154 ±13%	~	(p=0.118 n=9+8)
GoroutineIdle-12	142 ± 0%	142 ± 0%	~	(all equal)
ReadMetricsLatency-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
Finalizer-12	388 ±38%	388 ±38%	~	(p=0.423 n=10+10)
FinalizerRun-12	1.87k ±24%	1.24k ±88%	~	(p=0.284 n=9+10)
NetpollBreak-12	2.92k ± 3%	22.58k ± 1%	+671.99%	(p=0.000 n=10+10)
Syscall-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
SyscallWork-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
SyscallExcess-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
SyscallExcessWork-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
PingPongHog-12	81.6 ± 2%	81.6 ± 2%	~	(p=1.000 n=10+10)
StackGrowth-12	309 ± 6%	290 ± 6%	−6.08%	(p=0.009 n=8+9)
StackGrowthDeep-12	2.62k ±66%	2.69k ± 6%	~	(p=0.244 n=10+8)
CreateGoroutines-12	79.0 ± 0%	79.0 ± 0%	~	(all equal)
CreateGoroutinesParallel-12	150 ± 0%	150 ± 0%	~	(all equal)
CreateGoroutinesCapture-12	332 ± 0%	332 ± 0%	~	(all equal)
CreateGoroutinesSingle-12	2.42k ± 6%	4.83k ±13%	+99.55%	(p=0.000 n=7+10)
WakeupParallelSpinning/0s-12	1.46k ± 0%	1.46k ± 0%	~	(all equal)
WakeupParallelSpinning/1µs-12	2.46k ± 0%	2.46k ± 0%	~	(all equal)
WakeupParallelSpinning/2µs-12	2.14k ± 0%	2.14k ± 0%	~	(all equal)
WakeupParallelSpinning/5µs-12	4.67k ± 0%	4.67k ± 0%	~	(all equal)
WakeupParallelSpinning/10µs-12	9.24k ± 2%	9.22k ± 1%	~	(p=1.000 n=10+10)
WakeupParallelSpinning/20µs-12	19.2k ± 0%	19.2k ± 0%	~	(all equal)
WakeupParallelSpinning/50µs-12	42.5k ± 0%	43.1k ± 3%	~	(p=0.294 n=8+10)
WakeupParallelSpinning/100µs-12	46.6k ± 0%	46.6k ± 0%	~	(all equal)
WakeupParallelSyscall/0s-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
WakeupParallelSyscall/1µs-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
WakeupParallelSyscall/2µs-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
WakeupParallelSyscall/5µs-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
WakeupParallelSyscall/10µs-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
WakeupParallelSyscall/20µs-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
WakeupParallelSyscall/50µs-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
WakeupParallelSyscall/100µs-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
RWMutexUncontended-12	273 ± 5%	267 ± 3%	~	(p=0.121 n=8+7)
RWMutexWrite100-12	292 ± 0%	294 ± 5%	~	(p=0.705 n=7+10)
RWMutexWrite10-12	282 ± 5%	286 ± 5%	~	(p=0.373 n=10+10)
RWMutexWorkWrite100-12	299 ± 3%	305 ± 3%	~	(p=0.097 n=10+9)
RWMutexWorkWrite10-12	279 ± 4%	286 ± 5%	~	(p=0.069 n=9+10)
StackCopyPtr-12	793 ±43%	1707 ±63%	~	(p=0.121 n=8+10)
StackCopy-12	448 ±100%	1701 ±100%	~	(p=0.222 n=10+10)
StackCopyNoCache-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
pkg:time
AfterFunc-12	82.0 ± 1%	81.0 ± 0%	−1.22%	(p=0.013 n=10+8)
After-12	79.0 ± 0%	79.0 ± 0%	~	(all equal)
Stop-12	204 ± 9%	200 ±11%	~	(p=0.714 n=10+10)
SimultaneousAfterFunc-12	348k ± 0%	348k ± 0%	~	(all equal)
StartStop-12	280 ± 1%	290 ± 2%	+3.43%	(p=0.001 n=10+10)
Reset-12	727 ±248%	771 ±203%	~	(p=0.639 n=10+10)
Sleep-12	322k ± 3%	315k ± 0%	−2.04%	(p=0.001 n=10+8)
ParallelTimerLatency-12	45.6k ± 0%	45.9k ± 3%	~	(p=0.231 n=6+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=1-12	1.49k ± 0%	1.49k ± 0%	~	(all equal)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=2-12	2.18k ± 2%	2.19k ± 2%	~	(p=1.000 n=10+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=3-12	2.21k ± 0%	2.23k ± 2%	~	(p=0.353 n=7+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=4-12	2.27k ± 0%	2.30k ± 1%	~	(p=0.059 n=8+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=5-12	2.27k ± 0%	2.25k ± 5%	~	(p=0.350 n=7+9)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=6-12	2.21k ± 0%	2.22k ± 3%	~	(p=0.353 n=7+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=7-12	2.21k ± 0%	2.23k ± 2%	~	(p=0.248 n=9+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=8-12	2.27k ± 3%	2.25k ± 4%	~	(p=0.750 n=10+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=9-12	2.12k ±33%	3.52k ±102%	~	(p=0.208 n=10+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=10-12	1.30M ±14%	1.25M ± 9%	~	(p=0.317 n=7+10)
StaggeredTickerLatency/work-dur=2ms/tickers-per-P=1-12	2.23k ± 2%	2.25k ± 2%	~	(p=0.656 n=10+10)
Ticker-12	79.0 ± 0%	79.0 ± 0%	~	(all equal)
TickerReset-12	89.0 ± 0%	139.1 ± 7%	+56.34%	(p=0.001 n=7+7)
TickerResetNaive-12	211 ±14%	196 ±13%	~	(p=0.127 n=10+10)
Now-12	252 ±31%	285 ±36%	~	(p=0.238 n=10+10)
NowUnixNano-12	226 ±29%	269 ±38%	~	(p=0.085 n=10+10)
NowUnixMilli-12	293 ±16%	276 ± 3%	~	(p=0.271 n=10+7)
NowUnixMicro-12	238 ±30%	230 ±35%	~	(p=0.986 n=10+10)
Format-12	66.4 ± 2%	65.0 ± 0%	−2.11%	(p=0.001 n=10+8)
FormatNow-12	65.0 ± 0%	66.4 ± 2%	+2.15%	(p=0.008 n=8+10)
MarshalJSON-12	65.0 ± 0%	65.0 ± 0%	~	(all equal)
MarshalText-12	65.0 ± 0%	65.0 ± 0%	~	(all equal)
Parse-12	202 ±41%	231 ±37%	~	(p=0.253 n=10+10)
ParseDuration-12	177 ± 6%	222 ±31%	+25.89%	(p=0.032 n=9+10)
Hour-12	268 ± 3%	278 ±46%	~	(p=0.194 n=7+10)
Second-12	294 ±10%	296 ±18%	~	(p=0.915 n=10+8)
Year-12	280 ±10%	257 ±39%	~	(p=0.694 n=9+10)
Day-12	257 ±45%	252 ±28%	~	(p=0.867 n=10+10)
ISOWeek-12	292 ±19%	272 ±18%	~	(p=0.088 n=10+10)
[Geo mean]	284	298	+4.79%

	sched-p90-ns		delta
pkg:runtime
MakeChan/Byte-12	91.0 ± 0%	91.0 ± 0%	~	(all equal)
MakeChan/Int-12	91.6 ± 2%	91.0 ± 0%	~	(p=0.173 n=10+9)
MakeChan/Ptr-12	91.0 ± 0%	91.0 ± 0%	~	(all equal)
MakeChan/Struct/0-12	91.0 ± 0%	91.0 ± 0%	~	(all equal)
MakeChan/Struct/32-12	102 ±31%	118 ±21%	~	(p=0.076 n=10+10)
MakeChan/Struct/40-12	122 ±23%	104 ±10%	−14.57%	(p=0.019 n=10+10)
ChanNonblocking-12	3.35k ±112%	3.48k ±104%	~	(p=0.764 n=10+9)
SelectUncontended-12	2.60k ±37%	2.27k ±95%	~	(p=0.228 n=8+10)
SelectSyncContended-12	47.6k ± 0%	56.8k ± 0%	+19.35%	(p=0.000 n=10+10)
SelectAsyncContended-12	2.76k ±29%	3.10k ±38%	~	(p=0.704 n=9+10)
SelectNonblock-12	1.64k ±70%	2.51k ±16%	+52.96%	(p=0.046 n=10+7)
ChanUncontended-12	2.15k ±76%	2.04k ±74%	~	(p=0.362 n=10+10)
ChanContended-12	2.74k ±10%	2.95k ±50%	~	(p=0.585 n=7+10)
ChanSync-12	87.0 ± 5%	87.8 ± 4%	~	(p=0.609 n=10+10)
ChanSyncWork-12	10.4k ± 0%	10.4k ± 0%	~	(all equal)
ChanProdCons0-12	11.6k ± 2%	11.6k ± 0%	~	(p=1.000 n=10+8)
ChanProdCons10-12	20.2k ± 0%	20.1k ± 2%	~	(p=0.137 n=8+10)
ChanProdCons100-12	81.1k ± 3%	80.9k ± 0%	~	(p=0.938 n=10+7)
ChanProdConsWork0-12	11.5k ± 2%	11.5k ± 1%	~	(p=1.000 n=10+10)
ChanProdConsWork10-12	35.3k ± 0%	34.8k ± 1%	−1.45%	(p=0.013 n=8+10)
ChanProdConsWork100-12	190k ± 2%	190k ± 0%	~	(p=1.000 n=8+8)
SelectProdCons-12	544k ± 4%	542k ± 2%	~	(p=1.000 n=10+10)
ChanCreation-12	7.88k ±25%	7.85k ±24%	~	(p=0.671 n=10+10)
ChanSem-12	3.61k ±30%	2.73k ±14%	−24.52%	(p=0.009 n=10+9)
ChanPopular-12	582k ± 0%	587k ± 2%	~	(p=0.211 n=10+10)
ChanClosed-12	2.58k ±17%	2.41k ±45%	~	(p=0.525 n=9+7)
Allocation-12	152 ± 4%	152 ± 1%	~	(p=1.000 n=10+10)
ReadMemStats-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
WriteBarrier-12	576 ± 1%	589 ± 5%	+2.22%	(p=0.039 n=10+10)
BulkWriteBarrier-12	1.33k ± 0%	1.34k ± 1%	~	(p=0.108 n=9+10)
ScanStackNoLocals-12	2.56k ±72%	2.45k ±45%	~	(p=0.891 n=8+7)
MSpanCountAlloc/bits=64-12	3.38k ±76%	2.49k ±128%	~	(p=0.458 n=9+10)
MSpanCountAlloc/bits=128-12	2.62k ±103%	3.11k ±89%	~	(p=0.675 n=10+9)
MSpanCountAlloc/bits=256-12	3.62k ±96%	3.61k ±47%	~	(p=0.457 n=10+9)
MSpanCountAlloc/bits=512-12	3.62k ±96%	4.37k ± 7%	~	(p=0.104 n=10+8)
MSpanCountAlloc/bits=1024-12	2.92k ±80%	1.97k ±130%	~	(p=0.188 n=10+10)
GoroutineSelect-12	663 ±81%	801 ±184%	~	(p=0.743 n=9+9)
GoroutineBlocking-12	784 ±73%	1071 ±106%	~	(p=0.779 n=10+10)
GoroutineForRange-12	1.19k ±128%	1.61k ±82%	~	(p=0.320 n=10+10)
GoroutineIdle-12	1.18k ± 2%	1.19k ± 2%	~	(p=0.370 n=10+10)
ReadMetricsLatency-12	139 ±33%	138 ±20%	~	(p=0.866 n=10+10)
Finalizer-12	4.11k ±42%	4.04k ±37%	~	(p=0.955 n=10+10)
FinalizerRun-12	30.8k ±190%	20.3k ±258%	~	(p=0.232 n=9+9)
NetpollBreak-12	21.6k ± 1%	56.8k ± 0%	+163.66%	(p=0.000 n=10+9)
Syscall-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
SyscallWork-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
SyscallExcess-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
SyscallExcessWork-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
PingPongHog-12	85.6 ± 4%	85.6 ± 6%	~	(p=0.918 n=10+10)
StackGrowth-12	2.58k ±10%	2.19k ±90%	~	(p=0.793 n=7+10)
StackGrowthDeep-12	10.7k ±11%	10.6k ± 9%	~	(p=0.941 n=9+9)
CreateGoroutines-12	91.0 ± 0%	91.0 ± 0%	~	(all equal)
CreateGoroutinesParallel-12	178 ± 0%	178 ± 0%	~	(all equal)
CreateGoroutinesCapture-12	520 ± 0%	520 ± 0%	~	(all equal)
CreateGoroutinesSingle-12	19.0k ±10%	43.6k ± 3%	+129.65%	(p=0.000 n=10+10)
WakeupParallelSpinning/0s-12	1.69k ±12%	1.66k ±10%	~	(p=1.000 n=10+10)
WakeupParallelSpinning/1µs-12	2.53k ± 0%	2.53k ± 0%	~	(all equal)
WakeupParallelSpinning/2µs-12	3.55k ± 0%	3.55k ± 0%	~	(all equal)
WakeupParallelSpinning/5µs-12	5.60k ± 2%	5.57k ± 0%	~	(p=0.526 n=9+10)
WakeupParallelSpinning/10µs-12	10.1k ± 0%	10.1k ± 0%	~	(all equal)
WakeupParallelSpinning/20µs-12	21.2k ± 2%	21.1k ± 3%	~	(p=1.000 n=10+10)
WakeupParallelSpinning/50µs-12	43.5k ± 2%	43.3k ± 3%	~	(p=1.000 n=10+10)
WakeupParallelSpinning/100µs-12	47.3k ± 2%	47.3k ± 2%	~	(p=1.000 n=10+10)
WakeupParallelSyscall/0s-12	4.99k ± 1%	5.06k ± 0%	+1.28%	(p=0.043 n=10+9)
WakeupParallelSyscall/1µs-12	5.06k ± 0%	5.06k ± 0%	~	(all equal)
WakeupParallelSyscall/2µs-12	5.06k ± 0%	5.06k ± 0%	~	(all equal)
WakeupParallelSyscall/5µs-12	4.93k ± 0%	4.93k ± 0%	~	(all equal)
WakeupParallelSyscall/10µs-12	4.93k ± 0%	4.93k ± 0%	~	(all equal)
WakeupParallelSyscall/20µs-12	5.06k ± 0%	5.06k ± 0%	~	(all equal)
WakeupParallelSyscall/50µs-12	10.9k ± 0%	10.9k ± 0%	~	(all equal)
WakeupParallelSyscall/100µs-12	11.0k ± 1%	11.1k ± 0%	~	(p=0.059 n=10+8)
RWMutexUncontended-12	2.20k ±101%	2.11k ±122%	~	(p=0.592 n=10+10)
RWMutexWrite100-12	574 ±16%	889 ±100%	~	(p=0.062 n=8+9)
RWMutexWrite10-12	559 ±126%	1402 ±206%	~	(p=0.256 n=9+10)
RWMutexWorkWrite100-12	1.93k ±136%	1.82k ±157%	~	(p=0.868 n=10+10)
RWMutexWorkWrite10-12	444 ±39%	425 ±37%	~	(p=0.909 n=9+9)
StackCopyPtr-12	4.37k ± 7%	4.51k ±12%	~	(p=0.369 n=9+10)
StackCopy-12	4.40k ± 5%	4.52k ± 8%	~	(p=0.227 n=8+9)
StackCopyNoCache-12	3.65k ±27%	3.81k ±24%	~	(p=0.533 n=10+10)
pkg:time
AfterFunc-12	178 ± 4%	172 ± 6%	−3.36%	(p=0.020 n=10+10)
After-12	294 ± 5%	294 ± 8%	~	(p=0.865 n=10+10)
Stop-12	319 ± 2%	318 ± 2%	~	(p=1.000 n=10+10)
SimultaneousAfterFunc-12	565k ± 0%	565k ± 0%	~	(all equal)
StartStop-12	342 ± 3%	351 ± 1%	+2.57%	(p=0.005 n=10+10)
Reset-12	5.20k ±299%	9.65k ±245%	~	(p=0.328 n=9+9)
Sleep-12	641k ± 4%	614k ± 0%	−4.09%	(p=0.000 n=10+8)
ParallelTimerLatency-12	148k ± 4%	150k ± 0%	~	(p=0.137 n=10+8)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=1-12	2.46k ± 8%	2.51k ± 9%	~	(p=0.407 n=10+9)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=2-12	5.44k ± 0%	5.41k ± 3%	~	(p=0.549 n=8+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=3-12	5.64k ± 3%	5.77k ± 1%	+2.27%	(p=0.007 n=10+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=4-12	6.53k ±27%	7.00k ±19%	~	(p=0.241 n=10+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=5-12	6.73k ±24%	6.76k ±23%	~	(p=0.928 n=10+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=6-12	5.68k ± 5%	5.62k ± 5%	~	(p=0.515 n=9+8)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=7-12	5.57k ±11%	23.06k ±286%	~	(p=0.156 n=10+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=8-12	57.2k ±63%	46.2k ± 4%	~	(p=0.297 n=10+8)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=9-12	76.8k ±16%	110.1k ±186%	~	(p=0.448 n=9+9)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=10-12	2.71M ± 8%	2.68M ± 8%	~	(p=0.824 n=10+10)
StaggeredTickerLatency/work-dur=2ms/tickers-per-P=1-12	2.44k ± 2%	2.44k ± 3%	~	(p=1.000 n=10+10)
Ticker-12	81.0 ± 0%	81.0 ± 0%	~	(all equal)
TickerReset-12	431 ±141%	3182 ±218%	+637.62%	(p=0.036 n=9+10)
TickerResetNaive-12	324 ± 0%	320 ± 1%	−1.23%	(p=0.022 n=9+10)
Now-12	3.05k ±88%	3.85k ±116%	~	(p=0.211 n=10+8)
NowUnixNano-12	2.98k ±83%	1.98k ±110%	~	(p=0.306 n=9+9)
NowUnixMilli-12	3.28k ±169%	2.83k ± 6%	~	(p=0.929 n=9+6)
NowUnixMicro-12	2.53k ±89%	2.37k ±86%	~	(p=0.697 n=10+10)
Format-12	133 ±30%	137 ± 6%	~	(p=0.953 n=9+9)
FormatNow-12	91.0 ± 0%	91.0 ± 0%	~	(all equal)
MarshalJSON-12	91.7 ± 1%	91.9 ± 1%	~	(p=1.000 n=9+9)
MarshalText-12	92.0 ± 1%	91.0 ± 0%	−1.09%	(p=0.013 n=10+8)
Parse-12	3.06k ±82%	2.59k ±241%	~	(p=0.433 n=10+9)
ParseDuration-12	3.91k ±36%	4.00k ±42%	~	(p=0.984 n=10+9)
Hour-12	3.67k ±48%	2.66k ±88%	~	(p=0.107 n=9+10)
Second-12	3.22k ±45%	3.21k ±89%	~	(p=0.471 n=8+10)
Year-12	2.81k ±89%	3.04k ±89%	~	(p=0.837 n=10+10)
Day-12	2.29k ±93%	2.41k ±110%	~	(p=0.810 n=10+10)
ISOWeek-12	2.88k ± 3%	3.43k ±89%	~	(p=0.735 n=7+9)
[Geo mean]	2.02k	2.15k	+6.13%

	sched-p99-ns		delta
pkg:runtime
MakeChan/Byte-12	4.80k ± 0%	4.74k ± 4%	~	(p=0.070 n=9+10)
MakeChan/Int-12	4.72k ± 2%	4.71k ± 2%	~	(p=1.000 n=10+10)
MakeChan/Ptr-12	4.76k ± 5%	4.76k ± 5%	~	(p=1.000 n=10+10)
MakeChan/Struct/0-12	4.74k ± 1%	4.77k ± 3%	~	(p=0.657 n=9+10)
MakeChan/Struct/32-12	4.95k ± 3%	5.03k ± 3%	~	(p=0.141 n=10+10)
MakeChan/Struct/40-12	4.93k ± 0%	5.03k ± 3%	+2.08%	(p=0.023 n=8+10)
ChanNonblocking-12	27.4k ±69%	33.7k ±134%	~	(p=0.858 n=8+8)
SelectUncontended-12	29.9k ±150%	38.1k ±112%	~	(p=0.531 n=9+9)
SelectSyncContended-12	93.2k ± 0%	95.2k ± 0%	+2.20%	(p=0.000 n=8+9)
SelectAsyncContended-12	28.8k ±153%	38.6k ±120%	~	(p=0.388 n=9+10)
SelectNonblock-12	36.5k ±138%	31.2k ±140%	~	(p=0.633 n=8+10)
ChanUncontended-12	27.8k ±82%	31.2k ±86%	~	(p=0.438 n=8+9)
ChanContended-12	34.1k ±68%	18.7k ±127%	~	(p=0.088 n=8+8)
ChanSync-12	152 ± 4%	154 ±10%	~	(p=0.535 n=10+10)
ChanSyncWork-12	10.6k ± 0%	10.6k ± 0%	~	(all equal)
ChanProdCons0-12	22.7k ± 3%	29.3k ±22%	+29.23%	(p=0.000 n=10+10)
ChanProdCons10-12	41.1k ± 4%	41.1k ± 1%	~	(p=1.000 n=10+10)
ChanProdCons100-12	164k ± 1%	165k ± 2%	~	(p=0.790 n=10+9)
ChanProdConsWork0-12	25.5k ±31%	22.2k ± 3%	−12.76%	(p=0.000 n=10+10)
ChanProdConsWork10-12	68.6k ± 0%	68.6k ± 0%	~	(all equal)
ChanProdConsWork100-12	580k ± 3%	582k ± 0%	~	(p=0.471 n=10+8)
SelectProdCons-12	1.39M ± 5%	1.37M ± 6%	~	(p=0.461 n=9+10)
ChanCreation-12	76.4k ± 3%	76.0k ± 2%	~	(p=0.700 n=10+10)
ChanSem-12	17.1k ±131%	77.6k ±285%	+354.22%	(p=0.049 n=9+8)
ChanPopular-12	1.06M ± 0%	1.06M ± 0%	~	(all equal)
ChanClosed-12	28.5k ±80%	3735.2k ±149%	~	(p=0.470 n=8+10)
Allocation-12	56.8k ± 0%	65.9k ±17%	+15.95%	(p=0.008 n=8+10)
ReadMemStats-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
WriteBarrier-12	2.36k ± 2%	2.37k ± 2%	~	(p=0.370 n=10+10)
BulkWriteBarrier-12	4.47k ± 2%	4.54k ± 0%	+1.72%	(p=0.015 n=10+9)
ScanStackNoLocals-12	9.60k ±116%	16.08k ±84%	~	(p=0.100 n=10+10)
MSpanCountAlloc/bits=64-12	3.38k ±76%	2.68k ±113%	~	(p=0.705 n=9+10)
MSpanCountAlloc/bits=128-12	2.67k ±99%	3.39k ±89%	~	(p=0.509 n=10+9)
MSpanCountAlloc/bits=256-12	3.62k ±96%	3.61k ±47%	~	(p=0.457 n=10+9)
MSpanCountAlloc/bits=512-12	3.62k ±96%	4.40k ± 6%	~	(p=0.103 n=10+8)
MSpanCountAlloc/bits=1024-12	3.17k ±82%	2.86k ±108%	~	(p=0.985 n=10+10)
GoroutineSelect-12	5.85k ±86%	7.32k ±169%	~	(p=0.839 n=10+10)
GoroutineBlocking-12	4.47k ±126%	7.59k ±166%	~	(p=0.149 n=10+9)
GoroutineForRange-12	7.37k ±67%	5.38k ±112%	~	(p=0.305 n=10+9)
GoroutineIdle-12	8.45k ± 2%	8.51k ± 2%	~	(p=0.557 n=10+8)
ReadMetricsLatency-12	9.34k ±16%	10.37k ±37%	~	(p=0.125 n=9+10)
Finalizer-12	23.4k ±77%	32.2k ±126%	~	(p=0.373 n=9+9)
FinalizerRun-12	15.9M ±41%	9.3M ± 0%	−41.47%	(p=0.001 n=10+8)
NetpollBreak-12	43.9k ± 1%	72.1k ± 2%	+64.10%	(p=0.000 n=10+10)
Syscall-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
SyscallWork-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
SyscallExcess-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
SyscallExcessWork-12	0.50 ± 0%	0.50 ± 0%	~	(all equal)
PingPongHog-12	103 ±27%	100 ±29%	~	(p=0.609 n=10+10)
StackGrowth-12	29.3k ±94%	3738.2k ±398%	~	(p=0.434 n=9+10)
StackGrowthDeep-12	30.4k ±119%	31.0k ±53%	~	(p=0.407 n=10+9)
CreateGoroutines-12	150 ± 0%	150 ± 0%	~	(all equal)
CreateGoroutinesParallel-12	292 ± 0%	292 ± 0%	~	(all equal)
CreateGoroutinesCapture-12	2.14k ± 0%	2.14k ± 0%	~	(all equal)
CreateGoroutinesSingle-12	40.7k ± 3%	56.8k ± 0%	+39.72%	(p=0.000 n=9+8)
WakeupParallelSpinning/0s-12	2.25k ± 7%	2.20k ± 6%	~	(p=0.247 n=10+10)
WakeupParallelSpinning/1µs-12	2.82k ± 6%	2.81k ± 3%	~	(p=0.573 n=9+9)
WakeupParallelSpinning/2µs-12	4.16k ± 0%	4.16k ± 0%	~	(all equal)
WakeupParallelSpinning/5µs-12	9.75k ±15%	9.73k ± 7%	~	(p=0.814 n=10+10)
WakeupParallelSpinning/10µs-12	10.5k ± 2%	10.5k ± 6%	~	(p=0.569 n=8+8)
WakeupParallelSpinning/20µs-12	21.8k ± 0%	21.8k ± 0%	~	(all equal)
WakeupParallelSpinning/50µs-12	44.1k ± 4%	44.0k ± 3%	~	(p=0.973 n=10+10)
WakeupParallelSpinning/100µs-12	68.8k ± 6%	67.7k ± 4%	~	(p=0.207 n=9+9)
WakeupParallelSyscall/0s-12	17.4k ± 1%	17.7k ± 0%	~	(p=0.059 n=10+8)
WakeupParallelSyscall/1µs-12	17.7k ± 0%	17.7k ± 0%	~	(all equal)
WakeupParallelSyscall/2µs-12	17.8k ± 2%	17.7k ± 0%	~	(p=0.137 n=10+8)
WakeupParallelSyscall/5µs-12	11.2k ± 3%	11.1k ± 0%	~	(p=0.325 n=10+9)
WakeupParallelSyscall/10µs-12	17.9k ± 1%	17.9k ± 4%	~	(p=1.000 n=10+10)
WakeupParallelSyscall/20µs-12	17.8k ± 3%	17.7k ± 0%	~	(p=0.211 n=10+10)
WakeupParallelSyscall/50µs-12	19.5k ± 3%	19.4k ± 4%	~	(p=0.446 n=9+10)
WakeupParallelSyscall/100µs-12	17.0k ± 4%	15.9k ±27%	~	(p=0.254 n=8+10)
RWMutexUncontended-12	24.6k ±73%	45.6k ±82%	~	(p=0.146 n=8+9)
RWMutexWrite100-12	23.6k ±84%	25.9k ±72%	~	(p=0.734 n=9+10)
RWMutexWrite10-12	28.2k ±70%	3738.6k ±398%	~	(p=0.421 n=8+10)
RWMutexWorkWrite100-12	20.3k ±94%	38.2k ±107%	~	(p=0.123 n=8+8)
RWMutexWorkWrite10-12	30.3k ±119%	37.5k ±105%	~	(p=0.815 n=8+9)
StackCopyPtr-12	7.62k ±36%	7.71k ±26%	~	(p=0.778 n=10+10)
StackCopy-12	8.32k ± 0%	8.89k ± 8%	+6.84%	(p=0.006 n=7+9)
StackCopyNoCache-12	5.16k ± 4%	5.09k ± 3%	~	(p=0.095 n=9+10)
pkg:time
AfterFunc-12	1.14k ± 6%	1.12k ± 7%	~	(p=0.312 n=10+10)
After-12	894 ±20%	834 ±32%	~	(p=0.279 n=10+10)
Stop-12	26.7k ±40%	25.0k ±74%	~	(p=0.118 n=10+10)
SimultaneousAfterFunc-12	1.18M ± 1%	1.18M ± 4%	~	(p=1.000 n=10+10)
StartStop-12	39.9k ±77%	29.7k ±60%	~	(p=0.196 n=10+10)
Reset-12	7.54M ±147%	10.28M ±100%	~	(p=0.528 n=10+10)
Sleep-12	1.45M ± 3%	1.46M ± 4%	~	(p=0.642 n=10+10)
ParallelTimerLatency-12	180k ± 1%	181k ± 3%	~	(p=1.000 n=10+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=1-12	6.13k ±36%	6.43k ±29%	~	(p=0.126 n=9+9)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=2-12	28.4k ±64%	25.9k ±76%	~	(p=0.958 n=10+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=3-12	45.6k ± 0%	45.6k ± 0%	~	(all equal)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=4-12	46.0k ± 4%	46.0k ± 3%	~	(p=1.013 n=8+9)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=5-12	46.0k ± 3%	46.3k ± 3%	~	(p=0.630 n=9+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=6-12	47.4k ±20%	46.1k ± 3%	~	(p=0.706 n=8+8)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=7-12	75.4k ±21%	110.1k ±231%	~	(p=0.843 n=10+8)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=8-12	173k ±58%	201k ±73%	~	(p=0.775 n=8+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=9-12	650k ±89%	773k ±89%	~	(p=0.492 n=10+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=10-12	4.72M ± 1%	4.69M ± 5%	~	(p=0.784 n=10+10)
StaggeredTickerLatency/work-dur=2ms/tickers-per-P=1-12	4.73k ±40%	4.76k ±25%	~	(p=0.616 n=8+9)
Ticker-12	130 ± 0%	131 ± 3%	~	(p=0.875 n=9+7)
TickerReset-12	48.3k ±90%	4723.7k ±294%	~	(p=0.268 n=9+10)
TickerResetNaive-12	26.6k ±36%	25.2k ±40%	~	(p=0.300 n=10+10)
Now-12	3.12k ±88%	3.85k ±116%	~	(p=0.226 n=10+8)
NowUnixNano-12	2.98k ±83%	1.99k ±115%	~	(p=0.373 n=9+9)
NowUnixMilli-12	3.54k ±150%	2.85k ±90%	~	(p=0.701 n=9+10)
NowUnixMicro-12	2.53k ±89%	2.50k ±97%	~	(p=0.986 n=10+10)
Format-12	5.06k ±15%	6.81k ±52%	~	(p=0.104 n=9+10)
FormatNow-12	5.00k ± 9%	4.98k ±12%	~	(p=0.436 n=10+10)
MarshalJSON-12	5.20k ±12%	5.21k ±10%	~	(p=0.954 n=9+9)
MarshalText-12	5.00k ± 7%	5.12k ± 9%	~	(p=0.315 n=9+10)
Parse-12	3.06k ±82%	2.59k ±241%	~	(p=0.433 n=10+9)
ParseDuration-12	3.91k ±36%	4.04k ±33%	~	(p=0.885 n=10+9)
Hour-12	3.67k ±48%	2.70k ±89%	~	(p=0.180 n=9+9)
Second-12	3.22k ±45%	3.21k ±89%	~	(p=0.471 n=8+10)
Year-12	3.06k ±90%	3.18k ±90%	~	(p=0.752 n=10+10)
Day-12	2.30k ±92%	2.52k ±101%	~	(p=0.753 n=10+10)
ISOWeek-12	2.88k ± 3%	3.54k ±90%	~	(p=0.738 n=7+9)
[Geo mean]	9.70k	12.00k	+23.70%

	p50-ns		delta
pkg:runtime
ReadMetricsLatency-12	3.05k ± 1%	3.08k ± 1%	+0.93%	(p=0.035 n=10+10)

	p90-ns		delta
pkg:runtime
ReadMetricsLatency-12	5.42k ±28%	5.60k ±20%	~	(p=0.739 n=10+10)

	p99-ns		delta
pkg:runtime
ReadMetricsLatency-12	20.1k ± 8%	19.9k ±11%	~	(p=0.497 n=9+10)

	alloc/op		delta
pkg:runtime
CreateGoroutinesCapture-12	16.0B ± 0%	16.0B ± 0%	~	(all equal)

	allocs/op		delta
pkg:runtime
CreateGoroutinesCapture-12	1.00 ± 0%	1.00 ± 0%	~	(all equal)

	avg-late-ns		delta
pkg:time
ParallelTimerLatency-12	137k ± 5%	137k ± 3%	~	(p=0.579 n=10+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=1-12	134k ± 1%	135k ± 1%	+0.61%	(p=0.017 n=9+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=2-12	126k ± 1%	126k ± 1%	~	(p=0.780 n=9+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=3-12	115k ± 3%	118k ± 3%	+2.30%	(p=0.003 n=10+9)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=4-12	92.8k ±15%	91.2k ± 8%	~	(p=0.393 n=10+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=5-12	77.5k ±10%	77.5k ± 5%	~	(p=0.971 n=10+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=6-12	61.8k ±19%	58.9k ±16%	~	(p=0.436 n=10+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=7-12	43.9k ±12%	150.4k ±313%	~	(p=0.815 n=9+8)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=8-12	126k ±109%	112k ±17%	~	(p=0.962 n=10+7)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=9-12	770k ±29%	875k ±36%	~	(p=0.133 n=10+9)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=10-12	3.30M ±31%	3.11M ±33%	~	(p=0.436 n=9+9)
StaggeredTickerLatency/work-dur=2ms/tickers-per-P=1-12	82.0k ± 3%	80.5k ± 2%	~	(p=0.065 n=10+9)
[Geo mean]	151k	166k	+9.95%

	max-late-ns		delta
pkg:time
ParallelTimerLatency-12	3.22M ±83%	2.56M ±99%	~	(p=0.541 n=8+9)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=1-12	324k ± 8%	328k ± 8%	~	(p=0.481 n=8+9)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=2-12	351k ± 4%	351k ± 1%	~	(p=0.408 n=10+8)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=3-12	446k ±62%	371k ± 9%	~	(p=0.968 n=9+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=4-12	361k ± 2%	522k ±120%	~	(p=0.315 n=8+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=5-12	362k ± 4%	356k ± 4%	~	(p=0.130 n=8+8)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=6-12	705k ±121%	561k ±109%	~	(p=0.631 n=10+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=7-12	1.50M ±103%	6.24M ±184%	~	(p=0.278 n=9+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=8-12	6.15M ±77%	7.16M ±60%	~	(p=0.370 n=9+8)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=9-12	16.9M ±24%	23.1M ±36%	+36.33%	(p=0.003 n=9+10)
StaggeredTickerLatency/work-dur=300µs/tickers-per-P=10-12	19.7M ±24%	20.0M ±48%	~	(p=0.605 n=9+9)
StaggeredTickerLatency/work-dur=2ms/tickers-per-P=1-12	1.01M ± 4%	1.03M ± 8%	~	(p=0.721 n=8+8)
[Geo mean]	1.38M	1.58M	+14.66%

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