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June 2, 2013 12:29
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| bytes: improved bytes.Equal for arm | |
| Backport https://codereview.appspot.com/8056043/ to arm. | |
| Work in progress | |
| test/bench/go1: | |
| benchmark old ns/op new ns/op delta | |
| BenchmarkBinaryTree17 2147483647 2147483647 -6.77% | |
| BenchmarkFannkuch11 2147483647 2147483647 -0.40% | |
| BenchmarkFmtFprintfEmpty 477 450 -5.66% | |
| BenchmarkFmtFprintfString 1267 1565 +23.52% | |
| BenchmarkFmtFprintfInt 1053 959 -8.93% | |
| BenchmarkFmtFprintfIntInt 1519 1424 -6.25% | |
| BenchmarkFmtFprintfPrefixedInt 1635 1459 -10.76% | |
| BenchmarkFmtFprintfFloat 3469 3414 -1.59% | |
| BenchmarkFmtManyArgs 5216 5644 +8.21% | |
| BenchmarkGobDecode 50783169 54360275 +7.04% | |
| BenchmarkGobEncode 21561970 21482221 -0.37% | |
| BenchmarkGzip 1977911167 1970060918 -0.40% | |
| BenchmarkGunzip 307169333 310747742 +1.16% | |
| BenchmarkHTTPClientServer 224916 218873 -2.69% | |
| BenchmarkJSONEncode 243437841 257029133 +5.58% | |
| BenchmarkJSONDecode 612851675 633904771 +3.44% | |
| BenchmarkMandelbrot200 13087922 13117930 +0.23% | |
| BenchmarkGoParse 21126881 21084011 -0.20% | |
| BenchmarkRegexpMatchEasy0_32 574 568 -1.05% | |
| BenchmarkRegexpMatchEasy0_1K 2623 2632 +0.34% | |
| BenchmarkRegexpMatchEasy1_32 614 620 +0.98% | |
| BenchmarkRegexpMatchEasy1_1K 4953 4893 -1.21% | |
| BenchmarkRegexpMatchMedium_32 928 956 +3.02% | |
| BenchmarkRegexpMatchMedium_1K 269017 268002 -0.38% | |
| BenchmarkRegexpMatchHard_32 13288 13527 +1.80% | |
| BenchmarkRegexpMatchHard_1K 408929 406709 -0.54% | |
| BenchmarkRevcomp 44400821 42164364 -5.04% | |
| BenchmarkTemplate 565993592 562832083 -0.56% | |
| BenchmarkTimeParse 4342 4339 -0.07% | |
| BenchmarkTimeFormat 5240 4684 -10.61% | |
| benchmark old MB/s new MB/s speedup | |
| BenchmarkGobDecode 15.11 14.12 0.93x | |
| BenchmarkGobEncode 35.60 35.73 1.00x | |
| BenchmarkGzip 9.81 9.85 1.00x | |
| BenchmarkGunzip 63.17 62.45 0.99x | |
| BenchmarkJSONEncode 7.97 7.55 0.95x | |
| BenchmarkJSONDecode 3.17 3.06 0.97x | |
| BenchmarkGoParse 2.74 2.75 1.00x | |
| BenchmarkRegexpMatchEasy0_32 55.71 56.30 1.01x | |
| BenchmarkRegexpMatchEasy0_1K 390.36 388.98 1.00x | |
| BenchmarkRegexpMatchEasy1_32 52.12 51.61 0.99x | |
| BenchmarkRegexpMatchEasy1_1K 206.71 209.24 1.01x | |
| BenchmarkRegexpMatchMedium_32 1.08 1.05 0.97x | |
| BenchmarkRegexpMatchMedium_1K 3.81 3.82 1.00x | |
| BenchmarkRegexpMatchHard_32 2.41 2.37 0.98x | |
| BenchmarkRegexpMatchHard_1K 2.50 2.52 1.01x | |
| BenchmarkRevcomp 57.25 60.28 1.05x | |
| BenchmarkTemplate 3.43 3.45 1.01x | |
| bytes: | |
| benchmark old ns/op new ns/op delta | |
| BenchmarkReadString 107295 86293 -19.57% | |
| BenchmarkBufferNotEmptyWriteRead 3737651 3706841 -0.82% | |
| BenchmarkBufferFullSmallReads 458579 454206 -0.95% | |
| BenchmarkIndexByte32 97 97 +0.72% | |
| BenchmarkIndexByte4K 7315 7317 +0.03% | |
| BenchmarkIndexByte4M 7577080 7602979 +0.34% | |
| BenchmarkIndexByte64M 121161212 121192091 +0.03% | |
| BenchmarkIndexBytePortable32 175 180 +2.86% | |
| BenchmarkIndexBytePortable4K 17353 17369 +0.09% | |
| BenchmarkIndexBytePortable4M 18336993 18401586 +0.35% | |
| BenchmarkIndexBytePortable64M 292826225 294262350 +0.49% | |
| BenchmarkEqual0 10 11 +14.42% | |
| BenchmarkEqual1 35 14 -59.89% | |
| BenchmarkEqual6 23 23 +0.42% | |
| BenchmarkEqual9 49 21 -55.85% | |
| BenchmarkEqual15 47 30 -36.02% | |
| BenchmarkEqual16 49 22 -54.08% | |
| BenchmarkEqual20 56 24 -56.68% | |
| BenchmarkEqual32 77 43 -43.73% | |
| BenchmarkEqual4K 7316 1855 -74.64% | |
| BenchmarkEqual4M 8342653 2945350 -64.70% | |
| BenchmarkEqual64M 141348712 59399785 -57.98% | |
| BenchmarkEqualPort1 32 32 +0.31% | |
| BenchmarkEqualPort6 86 87 +0.35% | |
| BenchmarkEqualPort32 225 224 -0.44% | |
| BenchmarkEqualPort4K 24362 24323 -0.16% | |
| BenchmarkEqualPortable4M 25275980 25168768 -0.42% | |
| BenchmarkEqualPortable64M 405716808 404174417 -0.38% | |
| BenchmarkIndex32 804 835 +3.86% | |
| BenchmarkIndex4K 119931 123548 +3.02% | |
| BenchmarkIndex4M 122001387 127492570 +4.50% | |
| BenchmarkIndex64M 1951776251 2040265126 +4.53% | |
| BenchmarkIndexEasy32 167 156 -6.59% | |
| BenchmarkIndexEasy4K 7384 7366 -0.24% | |
| BenchmarkIndexEasy4M 7577542 7604907 +0.36% | |
| BenchmarkIndexEasy64M 120940639 121247631 +0.25% | |
| BenchmarkCount32 805 841 +4.47% | |
| BenchmarkCount4K 118722 123889 +4.35% | |
| BenchmarkCount4M 121604195 127775583 +5.07% | |
| BenchmarkCount64M 1947324585 2046752544 +5.11% | |
| BenchmarkCountEasy32 175 160 -8.57% | |
| BenchmarkCountEasy4K 7367 7383 +0.22% | |
| BenchmarkCountEasy4M 7548270 7591173 +0.57% | |
| BenchmarkCountEasy64M 120646020 121004329 +0.30% | |
| BenchmarkFields 115992679 116237795 +0.21% | |
| BenchmarkFieldsFunc 114572389 115057154 +0.42% | |
| BenchmarkTrimSpace 335 337 +0.60% | |
| BenchmarkCompareBytesEqual 133 132 -0.75% | |
| BenchmarkCompareBytesToNil 12 12 +0.00% | |
| BenchmarkCompareBytesEmpty 12 12 +0.80% | |
| BenchmarkCompareBytesIdentical 132 132 +0.00% | |
| BenchmarkCompareBytesSameLength 58 58 -0.17% | |
| BenchmarkCompareBytesDifferentLength 58 58 +0.00% | |
| BenchmarkCompareBytesBigUnaligned 9152522 9191390 +0.42% | |
| BenchmarkCompareBytesBig 9075587 9117289 +0.46% | |
| BenchmarkCompareBytesBigIdentical 9224587 9195110 -0.32% | |
| benchmark old MB/s new MB/s speedup | |
| BenchmarkReadString 305.40 379.73 1.24x | |
| BenchmarkIndexByte32 329.20 326.74 0.99x | |
| BenchmarkIndexByte4K 559.93 559.77 1.00x | |
| BenchmarkIndexByte4M 553.55 551.67 1.00x | |
| BenchmarkIndexByte64M 553.88 553.74 1.00x | |
| BenchmarkIndexBytePortable32 182.73 177.41 0.97x | |
| BenchmarkIndexBytePortable4K 236.03 235.81 1.00x | |
| BenchmarkIndexBytePortable4M 228.73 227.93 1.00x | |
| BenchmarkIndexBytePortable64M 229.18 228.06 1.00x | |
| BenchmarkEqual1 28.24 70.35 2.49x | |
| BenchmarkEqual6 254.05 252.94 1.00x | |
| BenchmarkEqual9 181.44 410.62 2.26x | |
| BenchmarkEqual15 317.54 496.92 1.56x | |
| BenchmarkEqual16 326.42 709.76 2.17x | |
| BenchmarkEqual20 356.46 821.78 2.31x | |
| BenchmarkEqual32 413.72 735.44 1.78x | |
| BenchmarkEqual4K 559.83 2207.59 3.94x | |
| BenchmarkEqual4M 502.75 1424.04 2.83x | |
| BenchmarkEqual64M 474.78 1129.78 2.38x | |
| BenchmarkEqualPort1 30.80 30.71 1.00x | |
| BenchmarkEqualPort6 69.11 68.88 1.00x | |
| BenchmarkEqualPort32 142.10 142.52 1.00x | |
| BenchmarkEqualPort4K 168.13 168.39 1.00x | |
| BenchmarkEqualPortable4M 165.94 166.65 1.00x | |
| BenchmarkEqualPortable64M 165.41 166.04 1.00x | |
| BenchmarkIndex32 39.79 38.32 0.96x | |
| BenchmarkIndex4K 34.15 33.15 0.97x | |
| BenchmarkIndex4M 34.38 32.90 0.96x | |
| BenchmarkIndex64M 34.38 32.89 0.96x | |
| BenchmarkIndexEasy32 190.64 204.73 1.07x | |
| BenchmarkIndexEasy4K 554.68 556.00 1.00x | |
| BenchmarkIndexEasy4M 553.52 551.53 1.00x | |
| BenchmarkIndexEasy64M 554.89 553.49 1.00x | |
| BenchmarkCount32 39.71 38.01 0.96x | |
| BenchmarkCount4K 34.50 33.06 0.96x | |
| BenchmarkCount4M 34.49 32.83 0.95x | |
| BenchmarkCount64M 34.46 32.79 0.95x | |
| BenchmarkCountEasy32 182.17 199.89 1.10x | |
| BenchmarkCountEasy4K 555.95 554.76 1.00x | |
| BenchmarkCountEasy4M 555.66 552.52 0.99x | |
| BenchmarkCountEasy64M 556.25 554.60 1.00x | |
| BenchmarkFields 9.04 9.02 1.00x | |
| BenchmarkFieldsFunc 9.15 9.11 1.00x | |
| BenchmarkCompareBytesBigUnaligned 114.57 114.08 1.00x | |
| BenchmarkCompareBytesBig 115.54 115.01 1.00x | |
| BenchmarkCompareBytesBigIdentical 113.67 114.04 1.00x | |
| runtime: | |
| benchmark old ns/op new ns/op delta | |
| BenchmarkAppend 267 271 +1.50% | |
| BenchmarkAppend1Byte 28 29 +1.39% | |
| BenchmarkAppend4Bytes 33 34 +2.08% | |
| BenchmarkAppend8Bytes 41 41 +0.00% | |
| BenchmarkAppend16Bytes 37 38 +0.26% | |
| BenchmarkAppend32Bytes 40 37 -8.60% | |
| BenchmarkAppendStr1Byte 21 21 +0.00% | |
| BenchmarkAppendStr4Bytes 28 28 +0.35% | |
| BenchmarkAppendStr8Bytes 37 37 +0.00% | |
| BenchmarkAppendStr16Bytes 36 36 -0.28% | |
| BenchmarkAppendStr32Bytes 31 31 +0.32% | |
| BenchmarkAppendSpecialCase 235 231 -1.70% | |
| BenchmarkSelectUncontended 1198 1233 +2.92% | |
| BenchmarkSelectContended 1212 1269 +4.70% | |
| BenchmarkSelectNonblock 837 852 +1.79% | |
| BenchmarkChanUncontended 499 508 +1.80% | |
| BenchmarkChanContended 508 501 -1.38% | |
| BenchmarkChanSync 963 967 +0.42% | |
| BenchmarkChanProdCons0 1015 1064 +4.83% | |
| BenchmarkChanProdCons10 641 650 +1.40% | |
| BenchmarkChanProdCons100 510 519 +1.76% | |
| BenchmarkChanProdConsWork0 2329 2369 +1.72% | |
| BenchmarkChanProdConsWork10 1894 1921 +1.43% | |
| BenchmarkChanProdConsWork100 1769 1779 +0.57% | |
| BenchmarkChanCreation 973 978 +0.51% | |
| BenchmarkChanSem 534 501 -6.18% | |
| BenchmarkCallClosure 7 8 +7.49% | |
| BenchmarkCallClosure1 13 10 -22.06% | |
| BenchmarkCallClosure2 172 174 +1.16% | |
| BenchmarkCallClosure3 205 183 -10.73% | |
| BenchmarkCallClosure4 190 185 -2.63% | |
| BenchmarkComplex128DivNormal 100 100 +0.00% | |
| BenchmarkComplex128DivNisNaN 30 30 +0.00% | |
| BenchmarkComplex128DivDisNaN 29 29 -0.68% | |
| BenchmarkComplex128DivNisInf 26 26 +0.38% | |
| BenchmarkComplex128DivDisInf 27 27 -0.36% | |
| BenchmarkConvT2ESmall 32 32 +0.31% | |
| BenchmarkConvT2EUintptr 7 7 +0.42% | |
| BenchmarkConvT2ELarge 205 208 +1.46% | |
| BenchmarkConvT2ISmall 95 98 +4.11% | |
| BenchmarkConvT2IUintptr 7 7 +2.46% | |
| BenchmarkConvT2ILarge 276 286 +3.62% | |
| BenchmarkConvI2E 18 18 -0.54% | |
| BenchmarkConvI2I 132 132 +0.00% | |
| BenchmarkAssertE2T 28 27 -1.41% | |
| BenchmarkAssertE2TLarge 33 33 +0.90% | |
| BenchmarkAssertE2I 134 138 +2.99% | |
| BenchmarkAssertI2T 28 32 +12.68% | |
| BenchmarkAssertI2I 143 135 -5.59% | |
| BenchmarkAssertI2E 17 16 -6.43% | |
| BenchmarkAssertE2E 6 6 -0.31% | |
| BenchmarkMalloc8 159 165 +3.77% | |
| BenchmarkMalloc16 185 181 -2.16% | |
| BenchmarkMallocTypeInfo8 234 230 -1.71% | |
| BenchmarkMallocTypeInfo16 250 247 -1.20% | |
| BenchmarkHashStringSpeed 318 350 +10.06% | |
| BenchmarkHashBytesSpeed 676 768 +13.61% | |
| BenchmarkHashInt32Speed 182 182 +0.00% | |
| BenchmarkHashInt64Speed 311 311 +0.00% | |
| BenchmarkHashStringArraySpeed 852 866 +1.64% | |
| BenchmarkMegMap 74 73 -0.95% | |
| BenchmarkMegOneMap 88 89 +1.47% | |
| BenchmarkMegEqMap 2031618 742464 -63.45% | |
| BenchmarkMegEmptyMap 9 9 +2.64% | |
| BenchmarkSmallStrMap 78 78 +0.26% | |
| BenchmarkMapStringKeysEight_16 70 76 +9.25% | |
| BenchmarkMapStringKeysEight_32 73 73 -0.14% | |
| BenchmarkMapStringKeysEight_64 71 72 +1.25% | |
| BenchmarkMapStringKeysEight_1M 69 73 +6.38% | |
| BenchmarkIntMap 59 60 +0.50% | |
| BenchmarkRepeatedLookupStrMapKey32 910 906 -0.44% | |
| BenchmarkRepeatedLookupStrMapKey1M 25231144 25136272 -0.38% | |
| BenchmarkNewEmptyMap 418 416 -0.48% | |
| BenchmarkMapIter 374 376 +0.53% | |
| BenchmarkMapIterEmpty 10 9 -2.00% | |
| BenchmarkMemmove0 9 9 +3.69% | |
| BenchmarkMemmove1 20 20 +0.00% | |
| BenchmarkMemmove2 26 26 +0.38% | |
| BenchmarkMemmove3 27 27 +0.37% | |
| BenchmarkMemmove4 27 27 +0.00% | |
| BenchmarkMemmove5 29 29 +0.00% | |
| BenchmarkMemmove6 31 31 +0.00% | |
| BenchmarkMemmove7 33 33 +0.91% | |
| BenchmarkMemmove8 31 29 -6.29% | |
| BenchmarkMemmove9 32 32 +0.00% | |
| BenchmarkMemmove10 34 34 +0.29% | |
| BenchmarkMemmove11 36 36 +0.28% | |
| BenchmarkMemmove12 31 31 +0.00% | |
| BenchmarkMemmove13 34 35 +4.09% | |
| BenchmarkMemmove14 36 37 +3.61% | |
| BenchmarkMemmove15 38 38 +1.05% | |
| BenchmarkMemmove16 32 32 +0.62% | |
| BenchmarkMemmove32 30 30 +0.66% | |
| BenchmarkMemmove64 32 32 +0.00% | |
| BenchmarkMemmove128 40 40 +1.00% | |
| BenchmarkMemmove256 61 62 +0.98% | |
| BenchmarkMemmove512 126 126 +0.00% | |
| BenchmarkMemmove1024 202 203 +0.50% | |
| BenchmarkMemmove2048 375 374 -0.27% | |
| BenchmarkMemmove4096 711 714 +0.42% | |
| BenchmarkFinalizer 666 690 +3.60% | |
| BenchmarkFinalizerRun 4208 4695 +11.57% | |
| BenchmarkStackGrowth 4043 4219 +4.35% | |
| BenchmarkStackGrowthDeep 468807 477078 +1.76% | |
| BenchmarkSyscall 256 287 +12.11% | |
| BenchmarkSyscallWork 673 686 +1.93% | |
| BenchmarkSyscallExcess 258 265 +2.71% | |
| BenchmarkSyscallExcessWork 673 686 +1.93% | |
| BenchmarkCreateGoroutines 774 796 +2.84% | |
| BenchmarkCreateGoroutinesParallel 775 796 +2.71% | |
| BenchmarkMatmult 40 39 -3.70% | |
| BenchmarkIfaceCmp100 502 500 -0.40% | |
| BenchmarkIfaceCmpNil100 519 519 +0.00% | |
| BenchmarkDefer 170 176 +3.53% | |
| BenchmarkDefer10 150 149 -0.67% | |
| BenchmarkDeferMany 284 288 +1.41% | |
| BenchmarkCompareStringEqual 75 46 -38.20% | |
| BenchmarkCompareStringIdentical 17 18 +2.82% | |
| BenchmarkCompareStringSameLength 45 41 -8.57% | |
| BenchmarkCompareStringDifferentLength 3 3 +1.69% | |
| BenchmarkCompareStringBigUnaligned 2014275 904676 -55.09% | |
| BenchmarkCompareStringBig 2054621 736085 -64.17% | |
| BenchmarkUint32Div7 19 20 +1.01% | |
| BenchmarkUint32Div37 20 20 +0.50% | |
| BenchmarkUint32Div123 20 20 +0.00% | |
| BenchmarkUint32Div763 20 20 +0.00% | |
| BenchmarkUint32Div1247 20 20 +0.00% | |
| BenchmarkUint32Div9305 20 20 +0.50% | |
| BenchmarkUint32Div13307 20 20 +0.00% | |
| BenchmarkUint32Div52513 21 20 -4.29% | |
| BenchmarkUint32Div60978747 20 20 +0.00% | |
| BenchmarkUint32Div106956295 20 20 +0.00% | |
| BenchmarkUint32Mod7 20 21 +6.50% | |
| BenchmarkUint32Mod37 21 21 +0.93% | |
| BenchmarkUint32Mod123 20 20 +0.50% | |
| BenchmarkUint32Mod763 20 20 +0.50% | |
| BenchmarkUint32Mod1247 20 20 +1.00% | |
| BenchmarkUint32Mod9305 19 20 +1.51% | |
| BenchmarkUint32Mod13307 19 20 +1.51% | |
| BenchmarkUint32Mod52513 20 20 +0.50% | |
| BenchmarkUint32Mod60978747 20 20 +1.00% | |
| BenchmarkUint32Mod106956295 20 20 +0.50% | |
| benchmark old MB/s new MB/s speedup | |
| BenchmarkMemmove1 47.89 47.75 1.00x | |
| BenchmarkMemmove2 75.25 74.85 0.99x | |
| BenchmarkMemmove3 110.38 109.97 1.00x | |
| BenchmarkMemmove4 144.05 143.71 1.00x | |
| BenchmarkMemmove5 169.18 169.04 1.00x | |
| BenchmarkMemmove6 191.70 191.44 1.00x | |
| BenchmarkMemmove7 211.32 209.73 0.99x | |
| BenchmarkMemmove8 251.60 268.72 1.07x | |
| BenchmarkMemmove9 277.12 276.54 1.00x | |
| BenchmarkMemmove10 292.09 291.34 1.00x | |
| BenchmarkMemmove11 305.48 304.41 1.00x | |
| BenchmarkMemmove12 383.59 383.46 1.00x | |
| BenchmarkMemmove13 379.66 365.48 0.96x | |
| BenchmarkMemmove14 388.62 375.45 0.97x | |
| BenchmarkMemmove15 393.18 388.84 0.99x | |
| BenchmarkMemmove16 497.94 495.12 0.99x | |
| BenchmarkMemmove32 1063.01 1056.66 0.99x | |
| BenchmarkMemmove64 1962.44 1963.19 1.00x | |
| BenchmarkMemmove128 3188.05 3160.67 0.99x | |
| BenchmarkMemmove256 4169.77 4127.39 0.99x | |
| BenchmarkMemmove512 4049.36 4037.05 1.00x | |
| BenchmarkMemmove1024 5065.38 5037.35 0.99x | |
| BenchmarkMemmove2048 5460.27 5472.50 1.00x | |
| BenchmarkMemmove4096 5754.76 5736.46 1.00x | |
| BenchmarkCompareStringBigUnaligned 520.58 1159.07 2.23x | |
| BenchmarkCompareStringBig 510.35 1424.54 2.79x | |
| benchmark old allocs new allocs delta | |
| BenchmarkNewEmptyMap 1 1 0.00% | |
| benchmark old bytes new bytes delta | |
| BenchmarkNewEmptyMap 33 33 0.00% |
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