# go1
benchmark old ns/op new ns/op delta
BenchmarkBinaryTree17 3610434929 3617991624 +0.21%
BenchmarkFannkuch11 3209701868 3245042703 +1.10%
BenchmarkFmtFprintfEmpty 88.3 87.3 -1.13%
BenchmarkFmtFprintfString 248 241 -2.82%
BenchmarkFmtFprintfInt 247 240 -2.83%
BenchmarkFmtFprintfIntInt 377 367 -2.65%
BenchmarkFmtFprintfPrefixedInt 342 331 -3.22%
BenchmarkFmtFprintfFloat 432 425 -1.62%
BenchmarkFmtManyArgs 1488 1499 +0.74%
BenchmarkGobDecode 11965020 11985801 +0.17%
BenchmarkGobEncode 10418308 10550859 +1.27%
BenchmarkGzip 498284535 505437209 +1.44%
BenchmarkGunzip 108602561 108527595 -0.07%
BenchmarkHTTPClientServer 46047 45537 -1.11%
BenchmarkJSONEncode 25542781 25169571 -1.46%
BenchmarkJSONDecode 82805313 82857212 +0.06%
BenchmarkMandelbrot200 4450288 4448470 -0.04%
BenchmarkGoParse 4887710 4869301 -0.38%
BenchmarkRegexpMatchEasy0_32 160 159 -0.62%
BenchmarkRegexpMatchEasy0_1K 403 404 +0.25%
BenchmarkRegexpMatchEasy1_32 147 147 +0.00%
BenchmarkRegexpMatchEasy1_1K 1056 1051 -0.47%
BenchmarkRegexpMatchMedium_32 249 257 +3.21%
BenchmarkRegexpMatchMedium_1K 84432 83958 -0.56%
BenchmarkRegexpMatchHard_32 4155 4235 +1.93%
BenchmarkRegexpMatchHard_1K 130382 132217 +1.41%
BenchmarkRevcomp 740884366 747985110 +0.96%
BenchmarkTemplate 111190621 112358819 +1.05%
BenchmarkTimeParse 441 439 -0.45%
BenchmarkTimeFormat 410 411 +0.24%
benchmark old MB/s new MB/s speedup
BenchmarkGobDecode 64.15 64.04 1.00x
BenchmarkGobEncode 73.67 72.75 0.99x
BenchmarkGzip 38.94 38.39 0.99x
BenchmarkGunzip 178.68 178.80 1.00x
BenchmarkJSONEncode 75.97 77.10 1.01x
BenchmarkJSONDecode 23.43 23.42 1.00x
BenchmarkGoParse 11.85 11.90 1.00x
BenchmarkRegexpMatchEasy0_32 198.92 200.52 1.01x
BenchmarkRegexpMatchEasy0_1K 2537.48 2531.14 1.00x
BenchmarkRegexpMatchEasy1_32 216.75 216.22 1.00x
BenchmarkRegexpMatchEasy1_1K 969.37 974.15 1.00x
BenchmarkRegexpMatchMedium_32 4.01 3.88 0.97x
BenchmarkRegexpMatchMedium_1K 12.13 12.20 1.01x
BenchmarkRegexpMatchHard_32 7.70 7.56 0.98x
BenchmarkRegexpMatchHard_1K 7.85 7.74 0.99x
BenchmarkRevcomp 343.06 339.80 0.99x
BenchmarkTemplate 17.45 17.27 0.99x
# runtime
benchmark old ns/op new ns/op delta
BenchmarkAppend 32.3 32.5 +0.62%
BenchmarkAppend1Byte 111 109 -1.80%
BenchmarkAppend4Bytes 111 108 -2.70%
BenchmarkAppend8Bytes 112 110 -1.79%
BenchmarkAppend16Bytes 118 118 +0.00%
BenchmarkAppend32Bytes 125 119 -4.80%
BenchmarkAppendSpecialCase 28.0 28.0 +0.00%
BenchmarkSelectUncontended 277 252 -9.03%
BenchmarkSelectContended 279 264 -5.38%
BenchmarkSelectNonblock 36.1 36.2 +0.28%
BenchmarkChanUncontended 94.7 91.6 -3.27%
BenchmarkChanContended 94.8 91.5 -3.48%
BenchmarkChanSync 320 313 -2.19%
BenchmarkChanProdCons0 311 313 +0.64%
BenchmarkChanProdCons10 153 150 -1.96%
BenchmarkChanProdCons100 104 104 +0.00%
BenchmarkChanProdConsWork0 774 772 -0.26%
BenchmarkChanProdConsWork10 580 583 +0.52%
BenchmarkChanProdConsWork100 532 533 +0.19%
BenchmarkChanCreation 386 390 +1.04%
BenchmarkChanSem 101 104 +2.97%
BenchmarkCallClosure 4.11 4.13 +0.49%
BenchmarkCallClosure1 4.67 4.68 +0.21%
BenchmarkCallClosure2 49.7 49.8 +0.20%
BenchmarkCallClosure3 50.5 50.4 -0.20%
BenchmarkCallClosure4 52.2 50.8 -2.68%
BenchmarkComplex128DivNormal 30.0 29.7 -1.00%
BenchmarkComplex128DivNisNaN 15.3 15.0 -1.96%
BenchmarkComplex128DivDisNaN 15.5 15.5 +0.00%
BenchmarkComplex128DivNisInf 12.3 12.2 -0.81%
BenchmarkComplex128DivDisInf 11.4 11.0 -3.51%
BenchmarkConvT2ESmall 41.8 39.8 -4.78%
BenchmarkConvT2EUintptr 58.8 56.6 -3.74%
BenchmarkConvT2ELarge 82.9 79.6 -3.98%
BenchmarkConvT2ISmall 44.9 42.5 -5.35%
BenchmarkConvT2IUintptr 60.7 60.4 -0.49%
BenchmarkConvT2ILarge 81.8 82.1 +0.37%
BenchmarkConvI2E 19.6 20.5 +4.59%
BenchmarkConvI2I 26.6 26.8 +0.75%
BenchmarkAssertE2T 10.7 10.6 -0.93%
BenchmarkAssertE2TLarge 8.02 7.79 -2.87%
BenchmarkAssertE2I 27.1 26.8 -1.11%
BenchmarkAssertI2T 10.7 10.7 +0.00%
BenchmarkAssertI2I 27.1 27.0 -0.37%
BenchmarkAssertI2E 12.5 12.7 +1.60%
BenchmarkAssertE2E 2.85 2.95 +3.51%
BenchmarkMalloc8 40.8 40.8 +0.00%
BenchmarkMalloc16 62.4 62.7 +0.48%
BenchmarkMallocTypeInfo8 49.9 51.8 +3.81%
BenchmarkMallocTypeInfo16 68.9 70.1 +1.74%
BenchmarkHashStringSpeed 32.2 31.7 -1.55%
BenchmarkHashInt32Speed 21.7 22.9 +5.53%
BenchmarkHashInt64Speed 22.6 20.9 -7.52%
BenchmarkHashStringArraySpeed 89.5 89.4 -0.11%
BenchmarkMegMap 21.9 21.8 -0.46%
BenchmarkMegOneMap 14.5 14.3 -1.38%
BenchmarkMegEqMap 135441 151242 +11.67%
BenchmarkMegEmptyMap 4.62 4.43 -4.11%
BenchmarkSmallStrMap 24.0 22.5 -6.25%
BenchmarkMapStringKeysEight_16 26.3 25.8 -1.90%
BenchmarkMapStringKeysEight_32 24.1 24.0 -0.41%
BenchmarkMapStringKeysEight_64 24.1 23.8 -1.24%
BenchmarkMapStringKeysEight_1M 24.6 24.1 -2.03%
BenchmarkIntMap 13.8 13.7 -0.72%
BenchmarkRepeatedLookupStrMapKey32 37.5 37.7 +0.53%
BenchmarkRepeatedLookupStrMapKey1M 289799 288667 -0.39%
BenchmarkNewEmptyMap 176 179 +1.70%
BenchmarkMemmove32 4.97 4.96 -0.20%
BenchmarkMemmove4K 125 129 +3.20%
BenchmarkMemmove64K 4212 4201 -0.26%
BenchmarkMemmove4M 1220753 1214904 -0.48%
BenchmarkMemmove64M 23136165 23164164 +0.12%
BenchmarkFinalizer 1983 2134 +7.61%
BenchmarkFinalizerRun 2950 3400 +15.25%
BenchmarkStackGrowth 1067 1047 -1.87%
BenchmarkStackGrowthDeep 98836 99200 +0.37%
BenchmarkCreateGoroutines 165 173 +4.85%
BenchmarkCreateGoroutinesParallel 163 173 +6.13%
BenchmarkMatmult 11.7 11.7 +0.00%
BenchmarkIfaceCmp100 152 152 +0.00%
BenchmarkIfaceCmpNil100 151 151 +0.00%
BenchmarkDefer 113 116 +2.65%
BenchmarkDefer10 109 109 +0.00%
BenchmarkDeferMany 197 198 +0.51%
BenchmarkCompareStringEqual 6.78 7.04 +3.83%
BenchmarkCompareStringIdentical 3.31 3.30 -0.30%
BenchmarkCompareStringSameLength 5.60 5.70 +1.79%
BenchmarkCompareStringDifferentLength 1.46 1.45 -0.68%
BenchmarkCompareStringBigUnaligned 171884 158067 -8.04%
BenchmarkCompareStringBig 160824 173059 +7.61%
benchmark old MB/s new MB/s speedup
BenchmarkMemmove32 6433.46 6448.92 1.00x
BenchmarkMemmove4K 32649.50 31615.57 0.97x
BenchmarkMemmove64K 15557.25 15598.08 1.00x
BenchmarkMemmove4M 3435.83 3452.37 1.00x
BenchmarkMemmove64M 2900.60 2897.10 1.00x
BenchmarkCompareStringBigUnaligned 6100.52 6633.79 1.09x
BenchmarkCompareStringBig 6520.08 6059.11 0.93x
# http
benchmark old ns/op new ns/op delta
BenchmarkHeaderWriteSubset 1089 1102 +1.19%
BenchmarkReadRequestChrome 7632 7816 +2.41%
BenchmarkReadRequestCurl 4117 4187 +1.70%
BenchmarkReadRequestApachebench 4174 4235 +1.46%
BenchmarkReadRequestSiege 5413 5559 +2.70%
BenchmarkReadRequestWrk 3251 3259 +0.25%
BenchmarkClientServer 57029 58670 +2.88%
BenchmarkClientServerParallel4 53481 53415 -0.12%
BenchmarkClientServerParallel64 57987 58825 +1.45%
BenchmarkServer 94721 90171 -4.80%
BenchmarkServerFakeConnNoKeepAlive 20102 20171 +0.34%
BenchmarkServerFakeConnWithKeepAlive 11940 11869 -0.59%
BenchmarkServerFakeConnWithKeepAliveLite 7163 7216 +0.74%
BenchmarkServerHandlerTypeLen 10001 9789 -2.12%
BenchmarkServerHandlerNoLen 9119 9239 +1.32%
BenchmarkServerHandlerNoType 9537 9491 -0.48%
BenchmarkServerHandlerNoHeader 6836 6797 -0.57%
benchmark old MB/s new MB/s speedup
BenchmarkReadRequestChrome 80.05 78.16 0.98x
BenchmarkReadRequestCurl 18.94 18.62 0.98x
BenchmarkReadRequestApachebench 19.64 19.36 0.99x
BenchmarkReadRequestSiege 27.89 27.16 0.97x
BenchmarkReadRequestWrk 12.30 12.27 1.00x
# floats
benchmark old ns/op new ns/op delta
BenchmarkMinSmall 14.8 10.3 -30.41%
BenchmarkMinMed 1061 1060 -0.09%
BenchmarkMinLarge 98087 97484 -0.61%
BenchmarkMinHuge 14173118 12924135 -8.81%
BenchmarkAddTwoSmall 20.4 19.7 -3.43%
BenchmarkAddFourSmall 42.2 44.1 +4.50%
BenchmarkAddTwoMed 1165 1178 +1.12%
BenchmarkAddFourMed 3811 3864 +1.39%
BenchmarkAddTwoLarge 142145 126961 -10.68%
BenchmarkAddFourLarge 450354 444121 -1.38%
BenchmarkAddTwoHuge 24374925 24886854 +2.10%
BenchmarkAddFourHuge 72174829 72954174 +1.08%
BenchmarkLogSumExpSmall 326 326 +0.00%
BenchmarkLogSumExpMed 25215 25133 -0.33%
BenchmarkLogSumExpLarge 2515656 2501928 -0.55%
BenchmarkLogSumExpHuge 252999542 252223655 -0.31%
BenchmarkDotSmall 16.9 17.0 +0.59%
BenchmarkDotMed 1267 1288 +1.66%
BenchmarkDotLarge 138638 128113 -7.59%
BenchmarkDotHuge 18019736 17245628 -4.30%
# cipher
benchmark old ns/op new ns/op delta
BenchmarkAESCFBEncrypt 4111 4094 -0.41%
BenchmarkAESCFBDecrypt 4158 4158 +0.00%
BenchmarkAESOFB 2955 2948 -0.24%
BenchmarkAESCTR 2802 2805 +0.11%
BenchmarkAESCBCEncrypt 3631 3639 +0.22%
BenchmarkAESCBCDecrypt 3476 3479 +0.09%
benchmark old MB/s new MB/s speedup
BenchmarkAESCFBEncrypt 248.80 249.82 1.00x
BenchmarkAESCFBDecrypt 246.03 245.99 1.00x
BenchmarkAESOFB 346.10 346.93 1.00x
BenchmarkAESCTR 365.02 364.59 1.00x
BenchmarkAESCBCEncrypt 281.99 281.38 1.00x
BenchmarkAESCBCDecrypt 294.58 294.28 1.00x
# megajson
benchmark old ns/op new ns/op delta
BenchmarkCodeEncoder 13785446 13900456 +0.83%
BenchmarkCodeDecoder 52564639 53406965 +1.60%
benchmark old MB/s new MB/s speedup
BenchmarkCodeEncoder 140.76 139.60 0.99x
BenchmarkCodeDecoder 36.92 36.33 0.98x
# goquery
benchmark old ns/op new ns/op delta
BenchmarkFirst 120 120 +0.00%
BenchmarkLast 122 122 +0.00%
BenchmarkEq 120 120 +0.00%
BenchmarkSlice 119 116 -2.52%
BenchmarkGet 2.08 2.15 +3.37%
BenchmarkIndex 967 962 -0.52%
BenchmarkIndexSelector 17078 17284 +1.21%
BenchmarkIndexOfNode 7.76 8.48 +9.28%
BenchmarkIndexOfSelection 9.00 9.08 +0.89%
BenchmarkMetalReviewExample 199050 199007 -0.02%
BenchmarkAdd 14866 14914 +0.32%
BenchmarkAddSelection 242 239 -1.24%
BenchmarkAddNodes 240 250 +4.17%
BenchmarkAndSelf 3422 3369 -1.55%
BenchmarkFilter 26705 27108 +1.51%
BenchmarkNot 30674 29978 -2.27%
BenchmarkFilterFunction 73936 72230 -2.31%
BenchmarkNotFunction 91468 83512 -8.70%
BenchmarkFilterNodes 68995 67968 -1.49%
BenchmarkNotNodes 102695 92672 -9.76%
BenchmarkFilterSelection 70045 68360 -2.41%
BenchmarkNotSelection 92015 89317 -2.93%
BenchmarkHas 349779 346900 -0.82%
BenchmarkHasNodes 258847 258919 +0.03%
BenchmarkHasSelection 259034 262826 +1.46%
BenchmarkEnd 3.70 3.70 +0.00%
BenchmarkEach 10426 10668 +2.32%
BenchmarkMap 17731 17425 -1.73%
BenchmarkEachWithBreak 1772 1754 -1.02%
BenchmarkAttr 29.3 29.8 +1.71%
BenchmarkText 21126 21657 +2.51%
BenchmarkLength 0.50 0.50 +0.00%
BenchmarkHtml 700 702 +0.29%
BenchmarkIs 29651 29724 +0.25%
BenchmarkIsPositional 25168 24981 -0.74%
BenchmarkIsFunction 2624 2537 -3.32%
BenchmarkIsSelection 70886 71044 +0.22%
BenchmarkIsNodes 69937 70392 +0.65%
BenchmarkHasClass 492075 503152 +2.25%
BenchmarkContains 10.3 10.2 -0.97%
BenchmarkFind 18310 18347 +0.20%
BenchmarkFindWithinSelection 52644 53080 +0.83%
BenchmarkFindSelection 385889 387872 +0.51%
BenchmarkFindNodes 387584 387242 -0.09%
BenchmarkContents 3092 3108 +0.52%
BenchmarkContentsFiltered 4618 4664 +1.00%
BenchmarkChildren 573 574 +0.17%
BenchmarkChildrenFiltered 3355 3362 +0.21%
BenchmarkParent 39884 40015 +0.33%
BenchmarkParentFiltered 42579 42476 -0.24%
BenchmarkParents 102337 102029 -0.30%
BenchmarkParentsFiltered 105241 106218 +0.93%
BenchmarkParentsUntil 43303 43504 +0.46%
BenchmarkParentsUntilSelection 181515 182529 +0.56%
BenchmarkParentsUntilNodes 182841 181004 -1.00%
BenchmarkParentsFilteredUntil 10296 10264 -0.31%
BenchmarkParentsFilteredUntilSelection 22491 22941 +2.00%
BenchmarkParentsFilteredUntilNodes 22643 23972 +5.87%
BenchmarkSiblings 91080 92089 +1.11%
BenchmarkSiblingsFiltered 98516 98892 +0.38%
BenchmarkNext 10475 10508 +0.32%
BenchmarkNextFiltered 12498 12513 +0.12%
BenchmarkNextAll 60468 61451 +1.63%
BenchmarkNextAllFiltered 65379 65870 +0.75%
BenchmarkPrev 10520 10595 +0.71%
BenchmarkPrevFiltered 12554 12757 +1.62%
BenchmarkPrevAll 18925 19141 +1.14%
BenchmarkPrevAllFiltered 21208 21440 +1.09%
BenchmarkNextUntil 44017 44662 +1.47%
BenchmarkNextUntilSelection 68729 68919 +0.28%
BenchmarkNextUntilNodes 27943 28107 +0.59%
BenchmarkPrevUntil 126734 128276 +1.22%
BenchmarkPrevUntilSelection 88316 88584 +0.30%
BenchmarkPrevUntilNodes 21776 21868 +0.42%
BenchmarkNextFilteredUntil 35019 34948 -0.20%
BenchmarkNextFilteredUntilSelection 76520 76185 -0.44%
BenchmarkNextFilteredUntilNodes 77361 76279 -1.40%
BenchmarkPrevFilteredUntil 39433 35690 -9.49%
BenchmarkPrevFilteredUntilSelection 89674 79287 -11.58%
BenchmarkPrevFilteredUntilNodes 82300 79039 -3.96%
BenchmarkClosest 4916 4777 -2.83%
BenchmarkClosestSelection 683 683 +0.00%
BenchmarkClosestNodes 679 680 +0.15%
