Performance Result Comparison

label	common value
by	junyer@google.com
goarch	amd64
goos	linux
pkg	regexp
upload	20181127.3
upload-file	old.txt
upload-part	20181127.3/0
upload-time	2018-11-27T12:01:17Z
label	values

	time/op
Find	347ns ± 2%
FindAllNoMatches	176ns ± 6%
FindString	337ns ±10%
FindSubmatch	410ns ± 3%
FindStringSubmatch	425ns ± 6%
Literal	118ns ±17%
NotLiteral	1.96µs ± 8%
MatchClass	2.79µs ±12%
MatchClass_InRange	2.56µs ±13%
ReplaceAll	1.81µs ± 8%
AnchoredLiteralShortNonMatch	103ns ± 8%
AnchoredLiteralLongNonMatch	113ns ± 7%
AnchoredShortMatch	159ns ± 7%
AnchoredLongMatch	308ns ± 1%
OnePassShortA	708ns ± 2%
NotOnePassShortA	686ns ±11%
OnePassShortB	559ns ±12%
NotOnePassShortB	505ns ±10%
OnePassLongPrefix	129ns ±11%
OnePassLongNotPrefix	453ns ±12%
MatchParallelShared	268ns ± 1%
MatchParallelCopied	282ns ±10%
QuoteMetaAll	116ns ± 1%
QuoteMetaNone	61.6ns ± 1%
Match/Easy0/32	81.1ns ± 1%
Match/Easy0/1K	383ns ± 9%
Match/Easy0/32K	6.17µs ±13%
Match/Easy0/1M	307µs ±12%
Match/Easy0/32M	10.2ms ± 4%
Match/Easy0i/32	1.29µs ± 7%
Match/Easy0i/1K	40.0µs ± 9%
Match/Easy0i/32K	1.48ms ± 1%
Match/Easy0i/1M	50.5ms ±15%
Match/Easy0i/32M	1.64s ±10%
Match/Easy1/32	78.0ns ± 7%
Match/Easy1/1K	1.05µs ±12%
Match/Easy1/32K	47.7µs ±13%
Match/Easy1/1M	1.45ms ± 3%
Match/Easy1/32M	46.5ms ± 3%
Match/Medium/32	1.17µs ± 2%
Match/Medium/1K	36.3µs ±10%
Match/Medium/32K	1.45ms ± 9%
Match/Medium/1M	45.1ms ± 1%
Match/Medium/32M	1.46s ± 1%
Match/Hard/32	1.83µs ± 8%
Match/Hard/1K	58.3µs ±10%
Match/Hard/32K	2.24ms ±12%
Match/Hard/1M	71.6ms ± 7%
Match/Hard/32M	2.27s ± 7%
Match/Hard1/32	9.69µs ± 1%
Match/Hard1/1K	305µs ±12%
Match/Hard1/32K	10.4ms ± 5%
Match/Hard1/1M	333ms ± 5%
Match/Hard1/32M	10.5s ± 3%
Match_onepass_regex/32	952ns ±13%
Match_onepass_regex/1K	24.6µs ± 5%
Match_onepass_regex/32K	765µs ± 2%
Match_onepass_regex/1M	24.9ms ± 1%
Match_onepass_regex/32M	801ms ± 1%
CompileOnepass	6.62µs ± 8%
[Geo mean]	28.2µs

	alloc/op
Find	0.00B
FindAllNoMatches	0.00B
FindString	0.00B
FindSubmatch	48.0B ± 0%
FindStringSubmatch	32.0B ± 0%
Literal
NotLiteral
MatchClass
MatchClass_InRange
ReplaceAll
AnchoredLiteralShortNonMatch
AnchoredLiteralLongNonMatch
AnchoredShortMatch
AnchoredLongMatch
OnePassShortA
NotOnePassShortA
OnePassShortB
NotOnePassShortB
OnePassLongPrefix
OnePassLongNotPrefix
MatchParallelShared
MatchParallelCopied
QuoteMetaAll
QuoteMetaNone
Match/Easy0/32
Match/Easy0/1K
Match/Easy0/32K
Match/Easy0/1M
Match/Easy0/32M
Match/Easy0i/32
Match/Easy0i/1K
Match/Easy0i/32K
Match/Easy0i/1M
Match/Easy0i/32M
Match/Easy1/32
Match/Easy1/1K
Match/Easy1/32K
Match/Easy1/1M
Match/Easy1/32M
Match/Medium/32
Match/Medium/1K
Match/Medium/32K
Match/Medium/1M
Match/Medium/32M
Match/Hard/32
Match/Hard/1K
Match/Hard/32K
Match/Hard/1M
Match/Hard/32M
Match/Hard1/32
Match/Hard1/1K
Match/Hard1/32K
Match/Hard1/1M
Match/Hard1/32M
Match_onepass_regex/32	0.00B
Match_onepass_regex/1K	0.00B
Match_onepass_regex/32K	0.00B
Match_onepass_regex/1M	4.00B ± 0%
Match_onepass_regex/32M	116B ± 0%
CompileOnepass	4.02kB ± 0%
[Geo mean]	77.9B

	allocs/op
Find	0.00
FindAllNoMatches	0.00
FindString	0.00
FindSubmatch	1.00 ± 0%
FindStringSubmatch	1.00 ± 0%
Literal
NotLiteral
MatchClass
MatchClass_InRange
ReplaceAll
AnchoredLiteralShortNonMatch
AnchoredLiteralLongNonMatch
AnchoredShortMatch
AnchoredLongMatch
OnePassShortA
NotOnePassShortA
OnePassShortB
NotOnePassShortB
OnePassLongPrefix
OnePassLongNotPrefix
MatchParallelShared
MatchParallelCopied
QuoteMetaAll
QuoteMetaNone
Match/Easy0/32
Match/Easy0/1K
Match/Easy0/32K
Match/Easy0/1M
Match/Easy0/32M
Match/Easy0i/32
Match/Easy0i/1K
Match/Easy0i/32K
Match/Easy0i/1M
Match/Easy0i/32M
Match/Easy1/32
Match/Easy1/1K
Match/Easy1/32K
Match/Easy1/1M
Match/Easy1/32M
Match/Medium/32
Match/Medium/1K
Match/Medium/32K
Match/Medium/1M
Match/Medium/32M
Match/Hard/32
Match/Hard/1K
Match/Hard/32K
Match/Hard/1M
Match/Hard/32M
Match/Hard1/32
Match/Hard1/1K
Match/Hard1/32K
Match/Hard1/1M
Match/Hard1/32M
Match_onepass_regex/32	0.00
Match_onepass_regex/1K	0.00
Match_onepass_regex/32K	0.00
Match_onepass_regex/1M	0.00
Match_onepass_regex/32M	1.00 ± 0%
CompileOnepass	52.0 ± 0%
[Geo mean]	2.69

	speed
Find
FindAllNoMatches
FindString
FindSubmatch
FindStringSubmatch
Literal
NotLiteral
MatchClass
MatchClass_InRange
ReplaceAll
AnchoredLiteralShortNonMatch
AnchoredLiteralLongNonMatch
AnchoredShortMatch
AnchoredLongMatch
OnePassShortA
NotOnePassShortA
OnePassShortB
NotOnePassShortB
OnePassLongPrefix
OnePassLongNotPrefix
MatchParallelShared
MatchParallelCopied
QuoteMetaAll	120MB/s ± 2%
QuoteMetaNone	422MB/s ± 1%
Match/Easy0/32	395MB/s ± 1%
Match/Easy0/1K	2.68GB/s ± 9%
Match/Easy0/32K	5.34GB/s ±12%
Match/Easy0/1M	3.43GB/s ±11%
Match/Easy0/32M	3.30GB/s ± 4%
Match/Easy0i/32	24.8MB/s ± 7%
Match/Easy0i/1K	25.7MB/s ± 9%
Match/Easy0i/32K	22.1MB/s ± 1%
Match/Easy0i/1M	20.9MB/s ±14%
Match/Easy0i/32M	20.6MB/s ± 9%
Match/Easy1/32	411MB/s ± 7%
Match/Easy1/1K	983MB/s ±11%
Match/Easy1/32K	693MB/s ±12%
Match/Easy1/1M	722MB/s ± 3%
Match/Easy1/32M	721MB/s ± 2%
Match/Medium/32	27.4MB/s ± 2%
Match/Medium/1K	28.3MB/s ± 9%
Match/Medium/32K	22.6MB/s ± 9%
Match/Medium/1M	23.2MB/s ± 1%
Match/Medium/32M	23.0MB/s ± 1%
Match/Hard/32	17.5MB/s ± 8%
Match/Hard/1K	17.6MB/s ±11%
Match/Hard/32K	14.7MB/s ±11%
Match/Hard/1M	14.7MB/s ± 7%
Match/Hard/32M	14.8MB/s ± 7%
Match/Hard1/32	3.30MB/s ± 1%
Match/Hard1/1K	3.36MB/s ±11%
Match/Hard1/32K	3.14MB/s ± 5%
Match/Hard1/1M	3.15MB/s ± 5%
Match/Hard1/32M	3.19MB/s ± 3%
Match_onepass_regex/32	33.8MB/s ±12%
Match_onepass_regex/1K	41.7MB/s ± 5%
Match_onepass_regex/32K	42.8MB/s ± 2%
Match_onepass_regex/1M	42.0MB/s ± 1%
Match_onepass_regex/32M	41.9MB/s ± 1%
CompileOnepass
[Geo mean]	60.8MB/s

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