A collection of common functions for Fiber with better performance, fewer allocations, and fewer dependencies.
Per-commit benchmark charts: https://gofiber.github.io/utils/benchmarks/
Environment: goos: darwin goarch: arm64 pkg: github.com/gofiber/utils/v2 cpu: Apple M2 Pro
// go test ./... -benchmem -run=^$ -bench=Benchmark_ -count=1
// (swar's Benchmark_Load8_Fusion, an advisory codegen guard, is deliberately omitted)
# Case Conversion
Benchmark_ToLowerBytes/empty/fiber-12 599341221 1.970 ns/op 0 B/op 0 allocs/op
Benchmark_ToLowerBytes/empty/fiber/unsafe-12 613673802 1.951 ns/op 0 B/op 0 allocs/op
Benchmark_ToLowerBytes/empty/default-12 363300402 3.316 ns/op 0 B/op 0 allocs/op
Benchmark_ToLowerBytes/http-get/fiber-12 350302147 3.434 ns/op 0 B/op 0 allocs/op
Benchmark_ToLowerBytes/http-get/fiber/unsafe-12 250488015 4.803 ns/op 0 B/op 0 allocs/op
Benchmark_ToLowerBytes/http-get/default-12 65883986 18.03 ns/op 8 B/op 1 allocs/op
Benchmark_ToLowerBytes/http-get-upper/fiber-12 95234625 12.53 ns/op 3 B/op 1 allocs/op
Benchmark_ToLowerBytes/http-get-upper/fiber/unsafe-12 242418936 4.802 ns/op 0 B/op 0 allocs/op
Benchmark_ToLowerBytes/http-get-upper/default-12 86405012 13.85 ns/op 8 B/op 1 allocs/op
Benchmark_ToLowerBytes/header-content-type-mixed/fiber-12 52263289 22.74 ns/op 48 B/op 1 allocs/op
Benchmark_ToLowerBytes/header-content-type-mixed/fiber/unsafe-12 131711175 9.101 ns/op 0 B/op 0 allocs/op
Benchmark_ToLowerBytes/header-content-type-mixed/default-12 25312339 47.13 ns/op 48 B/op 1 allocs/op
Benchmark_ToLowerBytes/large-lower/fiber-12 120148472 10.02 ns/op 0 B/op 0 allocs/op
Benchmark_ToLowerBytes/large-lower/fiber/unsafe-12 100000000 10.57 ns/op 0 B/op 0 allocs/op
Benchmark_ToLowerBytes/large-lower/default-12 16746064 71.43 ns/op 64 B/op 1 allocs/op
Benchmark_ToLowerBytes/large-upper/fiber-12 46270634 26.82 ns/op 64 B/op 1 allocs/op
Benchmark_ToLowerBytes/large-upper/fiber/unsafe-12 100000000 10.71 ns/op 0 B/op 0 allocs/op
Benchmark_ToLowerBytes/large-upper/default-12 15734505 76.92 ns/op 64 B/op 1 allocs/op
Benchmark_ToLowerBytes/large-mixed/fiber-12 46607823 26.06 ns/op 64 B/op 1 allocs/op
Benchmark_ToLowerBytes/large-mixed/fiber/unsafe-12 100000000 10.86 ns/op 0 B/op 0 allocs/op
Benchmark_ToLowerBytes/large-mixed/default-12 16291084 73.76 ns/op 64 B/op 1 allocs/op
Benchmark_ToUpperBytes/empty/fiber-12 607678140 1.976 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpperBytes/empty/fiber/unsafe-12 611928006 1.981 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpperBytes/empty/default-12 362632894 3.309 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpperBytes/http-get/fiber-12 95358867 12.55 ns/op 3 B/op 1 allocs/op
Benchmark_ToUpperBytes/http-get/fiber/unsafe-12 249490471 4.905 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpperBytes/http-get/default-12 79248020 14.63 ns/op 8 B/op 1 allocs/op
Benchmark_ToUpperBytes/http-get-upper/fiber-12 365516280 3.330 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpperBytes/http-get-upper/fiber/unsafe-12 249981619 4.803 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpperBytes/http-get-upper/default-12 64343162 19.01 ns/op 8 B/op 1 allocs/op
Benchmark_ToUpperBytes/header-content-type-mixed/fiber-12 52506741 22.69 ns/op 48 B/op 1 allocs/op
Benchmark_ToUpperBytes/header-content-type-mixed/fiber/unsafe-12 130478352 9.350 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpperBytes/header-content-type-mixed/default-12 22415607 54.44 ns/op 48 B/op 1 allocs/op
Benchmark_ToUpperBytes/large-lower/fiber-12 44765679 26.92 ns/op 64 B/op 1 allocs/op
Benchmark_ToUpperBytes/large-lower/fiber/unsafe-12 100000000 13.68 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpperBytes/large-lower/default-12 14464340 110.7 ns/op 64 B/op 1 allocs/op
Benchmark_ToUpperBytes/large-upper/fiber-12 100000000 11.98 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpperBytes/large-upper/fiber/unsafe-12 83808488 13.94 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpperBytes/large-upper/default-12 13142096 87.35 ns/op 64 B/op 1 allocs/op
Benchmark_ToUpperBytes/large-mixed/fiber-12 33038661 32.75 ns/op 64 B/op 1 allocs/op
Benchmark_ToUpperBytes/large-mixed/fiber/unsafe-12 100000000 10.93 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpperBytes/large-mixed/default-12 15034422 98.27 ns/op 64 B/op 1 allocs/op
Benchmark_ToUpper/empty/fiber-12 595298628 2.309 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpper/empty/fiber/unsafe-12 595273404 2.021 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpper/empty/default-12 636980288 1.883 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpper/http-get/fiber-12 97025577 12.40 ns/op 3 B/op 1 allocs/op
Benchmark_ToUpper/http-get/fiber/unsafe-12 244711635 4.857 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpper/http-get/default-12 59790234 19.54 ns/op 8 B/op 1 allocs/op
Benchmark_ToUpper/http-get-upper/fiber-12 383218539 3.056 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpper/http-get-upper/fiber/unsafe-12 247851331 4.864 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpper/http-get-upper/default-12 223044249 5.182 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpper/header-content-type-mixed/fiber-12 52628502 24.13 ns/op 48 B/op 1 allocs/op
Benchmark_ToUpper/header-content-type-mixed/fiber/unsafe-12 127726341 9.233 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpper/header-content-type-mixed/default-12 11549816 104.0 ns/op 48 B/op 1 allocs/op
Benchmark_ToUpper/large-lower/fiber-12 42409070 26.04 ns/op 64 B/op 1 allocs/op
Benchmark_ToUpper/large-lower/fiber/unsafe-12 100000000 11.00 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpper/large-lower/default-12 7051911 169.0 ns/op 64 B/op 1 allocs/op
Benchmark_ToUpper/large-upper/fiber-12 123837582 9.590 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpper/large-upper/fiber/unsafe-12 100000000 10.83 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpper/large-upper/default-12 19115356 61.51 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpper/large-mixed/fiber-12 45872143 27.77 ns/op 64 B/op 1 allocs/op
Benchmark_ToUpper/large-mixed/fiber/unsafe-12 100000000 11.00 ns/op 0 B/op 0 allocs/op
Benchmark_ToUpper/large-mixed/default-12 5927710 203.1 ns/op 64 B/op 1 allocs/op
Benchmark_ToLower/empty/fiber-12 613625554 1.952 ns/op 0 B/op 0 allocs/op
Benchmark_ToLower/empty/fiber/unsafe-12 572670608 1.989 ns/op 0 B/op 0 allocs/op
Benchmark_ToLower/empty/default-12 644769141 1.863 ns/op 0 B/op 0 allocs/op
Benchmark_ToLower/http-get/fiber-12 395302272 3.034 ns/op 0 B/op 0 allocs/op
Benchmark_ToLower/http-get/fiber/unsafe-12 252231990 4.813 ns/op 0 B/op 0 allocs/op
Benchmark_ToLower/http-get/default-12 284202345 4.219 ns/op 0 B/op 0 allocs/op
Benchmark_ToLower/http-get-upper/fiber-12 100000000 12.08 ns/op 3 B/op 1 allocs/op
Benchmark_ToLower/http-get-upper/fiber/unsafe-12 252859507 4.816 ns/op 0 B/op 0 allocs/op
Benchmark_ToLower/http-get-upper/default-12 60415860 19.54 ns/op 8 B/op 1 allocs/op
Benchmark_ToLower/header-content-type-mixed/fiber-12 53446660 22.49 ns/op 48 B/op 1 allocs/op
Benchmark_ToLower/header-content-type-mixed/fiber/unsafe-12 131152108 9.153 ns/op 0 B/op 0 allocs/op
Benchmark_ToLower/header-content-type-mixed/default-12 18039788 66.79 ns/op 48 B/op 1 allocs/op
Benchmark_ToLower/large-lower/fiber-12 120227584 9.982 ns/op 0 B/op 0 allocs/op
Benchmark_ToLower/large-lower/fiber/unsafe-12 100000000 10.68 ns/op 0 B/op 0 allocs/op
Benchmark_ToLower/large-lower/default-12 24070928 48.79 ns/op 0 B/op 0 allocs/op
Benchmark_ToLower/large-upper/fiber-12 44699118 25.92 ns/op 64 B/op 1 allocs/op
Benchmark_ToLower/large-upper/fiber/unsafe-12 100000000 10.74 ns/op 0 B/op 0 allocs/op
Benchmark_ToLower/large-upper/default-12 7075200 170.0 ns/op 64 B/op 1 allocs/op
Benchmark_ToLower/large-mixed/fiber-12 46426453 26.01 ns/op 64 B/op 1 allocs/op
Benchmark_ToLower/large-mixed/fiber/unsafe-12 100000000 10.74 ns/op 0 B/op 0 allocs/op
Benchmark_ToLower/large-mixed/default-12 5682778 204.3 ns/op 64 B/op 1 allocs/op
# Add Trailing Slash
Benchmark_AddTrailingSlashBytes/empty-12 1000000000 0.5857 ns/op 0 B/op 0 allocs/op
Benchmark_AddTrailingSlashBytes/slash-only-12 1000000000 0.8694 ns/op 0 B/op 0 allocs/op
Benchmark_AddTrailingSlashBytes/short-no-slash-12 100000000 11.65 ns/op 4 B/op 1 allocs/op
Benchmark_AddTrailingSlashBytes/short-with-slash-12 1000000000 0.8867 ns/op 0 B/op 0 allocs/op
Benchmark_AddTrailingSlashBytes/path-no-slash-12 93543546 13.36 ns/op 16 B/op 1 allocs/op
Benchmark_AddTrailingSlashBytes/path-with-slash-12 1000000000 0.9011 ns/op 0 B/op 0 allocs/op
Benchmark_AddTrailingSlashString/empty-12 1000000000 0.2926 ns/op 0 B/op 0 allocs/op
Benchmark_AddTrailingSlashString/slash-only-12 1000000000 0.4482 ns/op 0 B/op 0 allocs/op
Benchmark_AddTrailingSlashString/short-no-slash-12 100000000 11.37 ns/op 4 B/op 1 allocs/op
Benchmark_AddTrailingSlashString/short-with-slash-12 1000000000 0.4502 ns/op 0 B/op 0 allocs/op
Benchmark_AddTrailingSlashString/path-no-slash-12 82427726 14.41 ns/op 16 B/op 1 allocs/op
Benchmark_AddTrailingSlashString/path-with-slash-12 1000000000 0.4529 ns/op 0 B/op 0 allocs/op
# EqualFold
Benchmark_EqualFoldBytes/fiber-12 67368261 18.48 ns/op 0 B/op 0 allocs/op
Benchmark_EqualFoldBytes/default-12 17774803 65.91 ns/op 0 B/op 0 allocs/op
Benchmark_EqualFold/fiber-12 80501566 14.75 ns/op 0 B/op 0 allocs/op
Benchmark_EqualFold/default-12 18314365 65.96 ns/op 0 B/op 0 allocs/op
# Search
// amd64 note: IndexAny2/IndexAny3 dispatch to package simd for 32+ byte
// inputs; these arm64 rows keep the portable SWAR path. For amd64 numbers
// see the Benchmark_Memchr2/Benchmark_Memchr3 rows in the simd section
// below (the kernels these functions dispatch to).
Benchmark_IndexAny2/7B/swar-12 282163779 4.297 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny2/7B/scalar-12 314553402 3.826 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny2/7B/stdlib-indexany-12 50085909 23.97 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny2/8B/swar-12 522780714 2.289 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny2/8B/scalar-12 271494799 4.206 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny2/8B/stdlib-indexany-12 44831599 26.78 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny2/16B/swar-12 393245086 3.047 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny2/16B/scalar-12 168476984 7.117 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny2/16B/stdlib-indexany-12 100000000 10.03 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny2/32B/swar-12 252199587 4.802 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny2/32B/scalar-12 84105762 14.27 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny2/32B/stdlib-indexany-12 70291048 17.37 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny2/64B/swar-12 144335962 8.290 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny2/64B/scalar-12 42694686 28.60 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny2/64B/stdlib-indexany-12 37615540 32.23 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny2/512B/swar-12 20231538 59.71 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny2/512B/scalar-12 5071586 233.6 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny2/512B/stdlib-indexany-12 4448119 274.2 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny3/7B/swar-12 221889592 5.397 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny3/7B/scalar-12 240859849 4.977 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny3/8B/swar-12 445742876 2.689 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny3/8B/scalar-12 211981612 5.620 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny3/16B/swar-12 326475568 3.739 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny3/16B/scalar-12 100000000 10.31 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny3/32B/swar-12 196365920 6.112 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny3/32B/scalar-12 60021255 19.81 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny3/64B/swar-12 100000000 10.98 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny3/64B/scalar-12 31180405 38.97 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny3/512B/swar-12 15466316 79.22 ns/op 0 B/op 0 allocs/op
Benchmark_IndexAny3/512B/scalar-12 3911382 307.1 ns/op 0 B/op 0 allocs/op
Benchmark_IndexFold/miss-8B/swar-12 332497509 3.634 ns/op 0 B/op 0 allocs/op
Benchmark_IndexFold/miss-8B/scalar-12 491493494 2.408 ns/op 0 B/op 0 allocs/op
Benchmark_IndexFold/miss-32B/swar-12 149769112 7.928 ns/op 0 B/op 0 allocs/op
Benchmark_IndexFold/miss-32B/scalar-12 44041342 27.13 ns/op 0 B/op 0 allocs/op
Benchmark_IndexFold/hit-32B/swar-12 138732252 8.758 ns/op 0 B/op 0 allocs/op
Benchmark_IndexFold/hit-32B/scalar-12 33871633 30.73 ns/op 0 B/op 0 allocs/op
Benchmark_IndexFold/hit-tail/swar-12 100000000 12.34 ns/op 0 B/op 0 allocs/op
Benchmark_IndexFold/hit-tail/scalar-12 16138168 75.39 ns/op 0 B/op 0 allocs/op
Benchmark_IndexFold/miss-64B/swar-12 100000000 11.37 ns/op 0 B/op 0 allocs/op
Benchmark_IndexFold/miss-64B/scalar-12 17902330 67.78 ns/op 0 B/op 0 allocs/op
Benchmark_IndexFold/miss-512B/swar-12 17640939 67.65 ns/op 0 B/op 0 allocs/op
Benchmark_IndexFold/miss-512B/scalar-12 2211582 544.4 ns/op 0 B/op 0 allocs/op
Benchmark_IndexFold/long-hit-64B/swar-12 100000000 11.58 ns/op 0 B/op 0 allocs/op
Benchmark_IndexFold/long-hit-64B/scalar-12 23906326 51.33 ns/op 0 B/op 0 allocs/op
Benchmark_IndexFold/long-miss-64B/swar-12 100000000 11.33 ns/op 0 B/op 0 allocs/op
Benchmark_IndexFold/long-miss-64B/scalar-12 23553600 50.27 ns/op 0 B/op 0 allocs/op
# ASCII
// amd64 note: IsASCII dispatches to package simd for 32+ byte inputs;
// these arm64 rows keep the portable SWAR path. See the simd section
// below for amd64 numbers.
Benchmark_IsASCII/7B/swar-12 238699563 5.001 ns/op 0 B/op 0 allocs/op
Benchmark_IsASCII/7B/scalar-12 292669958 4.064 ns/op 0 B/op 0 allocs/op
Benchmark_IsASCII/8B/swar-12 439961722 2.687 ns/op 0 B/op 0 allocs/op
Benchmark_IsASCII/8B/scalar-12 274732192 4.364 ns/op 0 B/op 0 allocs/op
Benchmark_IsASCII/16B/swar-12 367179319 3.255 ns/op 0 B/op 0 allocs/op
Benchmark_IsASCII/16B/scalar-12 179331987 6.706 ns/op 0 B/op 0 allocs/op
Benchmark_IsASCII/32B/swar-12 368345228 3.271 ns/op 0 B/op 0 allocs/op
Benchmark_IsASCII/32B/scalar-12 100000000 11.62 ns/op 0 B/op 0 allocs/op
Benchmark_IsASCII/64B/swar-12 265505815 4.486 ns/op 0 B/op 0 allocs/op
Benchmark_IsASCII/64B/scalar-12 57864440 21.33 ns/op 0 B/op 0 allocs/op
Benchmark_IsASCII/512B/swar-12 47664915 25.14 ns/op 0 B/op 0 allocs/op
Benchmark_IsASCII/512B/scalar-12 7081790 169.5 ns/op 0 B/op 0 allocs/op
Benchmark_IndexNonQuotable/7B/swar-12 142234436 8.424 ns/op 0 B/op 0 allocs/op
Benchmark_IndexNonQuotable/7B/scalar-12 142394628 8.174 ns/op 0 B/op 0 allocs/op
Benchmark_IndexNonQuotable/8B/swar-12 401721262 3.099 ns/op 0 B/op 0 allocs/op
Benchmark_IndexNonQuotable/8B/scalar-12 138047568 8.654 ns/op 0 B/op 0 allocs/op
Benchmark_IndexNonQuotable/16B/swar-12 244592613 5.059 ns/op 0 B/op 0 allocs/op
Benchmark_IndexNonQuotable/16B/scalar-12 75413396 15.94 ns/op 0 B/op 0 allocs/op
Benchmark_IndexNonQuotable/32B/swar-12 138857455 8.875 ns/op 0 B/op 0 allocs/op
Benchmark_IndexNonQuotable/32B/scalar-12 39539425 30.18 ns/op 0 B/op 0 allocs/op
Benchmark_IndexNonQuotable/64B/swar-12 75193269 16.46 ns/op 0 B/op 0 allocs/op
Benchmark_IndexNonQuotable/64B/scalar-12 20898807 57.81 ns/op 0 B/op 0 allocs/op
Benchmark_IndexNonQuotable/512B/swar-12 9634008 124.9 ns/op 0 B/op 0 allocs/op
Benchmark_IndexNonQuotable/512B/scalar-12 2619062 460.6 ns/op 0 B/op 0 allocs/op
# Trim
Benchmark_TrimRight/fiber-12 587360972 2.043 ns/op 0 B/op 0 allocs/op
Benchmark_TrimRight/default-12 417142952 2.887 ns/op 0 B/op 0 allocs/op
Benchmark_TrimRightBytes/fiber-12 590828253 2.067 ns/op 0 B/op 0 allocs/op
Benchmark_TrimRightBytes/default-12 374548395 3.236 ns/op 0 B/op 0 allocs/op
Benchmark_TrimLeft/fiber-12 590822072 2.030 ns/op 0 B/op 0 allocs/op
Benchmark_TrimLeft/default-12 408184784 2.967 ns/op 0 B/op 0 allocs/op
Benchmark_TrimLeftBytes/fiber-12 592875732 2.033 ns/op 0 B/op 0 allocs/op
Benchmark_TrimLeftBytes/default-12 405921434 2.967 ns/op 0 B/op 0 allocs/op
Benchmark_Trim/fiber-12 317625432 3.758 ns/op 0 B/op 0 allocs/op
Benchmark_Trim/default-12 250173384 4.735 ns/op 0 B/op 0 allocs/op
Benchmark_Trim/default.trimspace-12 241883282 5.022 ns/op 0 B/op 0 allocs/op
Benchmark_TrimBytes/fiber-12 308885211 3.858 ns/op 0 B/op 0 allocs/op
Benchmark_TrimBytes/default-12 254064188 4.802 ns/op 0 B/op 0 allocs/op
Benchmark_TrimBytes/default.trimspace-12 224231778 5.330 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/fiber/empty-12 1000000000 0.3017 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/default/empty-12 583064172 2.074 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/fiber/spaces-12 387354229 3.059 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/default/spaces-12 320059388 3.651 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/fiber/ascii-word-12 345078337 3.535 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/default/ascii-word-12 270603267 4.465 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/fiber/auth-header-bearer-12 291494109 4.141 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/default/auth-header-bearer-12 224087944 5.329 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/fiber/auth-header-basic-12 390765345 3.047 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/default/auth-header-basic-12 258943531 4.718 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/fiber/accept-encoding-12 344369745 3.490 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/default/accept-encoding-12 277203638 4.347 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/fiber/content-type-12 344263705 3.506 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/default/content-type-12 276213367 4.343 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/fiber/x-forwarded-for-12 460119685 2.653 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/default/x-forwarded-for-12 296468840 4.058 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/fiber/query-params-12 330053276 3.520 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/default/query-params-12 275688495 4.352 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/fiber/ascii-long-12 275511898 4.342 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/default/ascii-long-12 206143018 5.807 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/fiber/no-trim-12 1000000000 0.5914 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/default/no-trim-12 451842741 2.634 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/fiber/mixed-whitespace-12 296083767 4.054 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpace/default/mixed-whitespace-12 224007750 5.294 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/fiber/empty-12 1000000000 0.2914 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/default/empty-12 519488766 2.352 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/fiber/spaces-12 410959255 2.966 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/default/spaces-12 315602949 3.827 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/fiber/ascii-word-12 341217429 3.519 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/default/ascii-word-12 247799318 4.667 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/fiber/auth-header-bearer-12 295130076 4.182 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/default/auth-header-bearer-12 209162235 5.685 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/fiber/auth-header-basic-12 393366796 3.053 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/default/auth-header-basic-12 240882009 4.930 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/fiber/accept-encoding-12 343673244 3.512 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/default/accept-encoding-12 250962042 4.642 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/fiber/content-type-12 344382758 3.516 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/default/content-type-12 250622116 4.693 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/fiber/x-forwarded-for-12 459435145 2.621 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/default/x-forwarded-for-12 276595178 4.359 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/fiber/query-params-12 341144192 3.526 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/default/query-params-12 255843174 4.873 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/fiber/ascii-long-12 270183530 4.445 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/default/ascii-long-12 189740618 6.335 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/fiber/no-trim-12 1000000000 0.5969 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/default/no-trim-12 406072189 2.941 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/fiber/mixed-whitespace-12 289382116 4.057 ns/op 0 B/op 0 allocs/op
Benchmark_TrimSpaceBytes/default/mixed-whitespace-12 218559462 5.493 ns/op 0 B/op 0 allocs/op
# Convert
Benchmark_ConvertToBytes/fiber-12 320332576 3.787 ns/op 0 B/op 0 allocs/op
Benchmark_ToString/int-12 499429904 2.382 ns/op 0 B/op 0 allocs/op
Benchmark_ToString/int8-12 614406423 1.965 ns/op 0 B/op 0 allocs/op
Benchmark_ToString/int16-12 486644316 2.463 ns/op 0 B/op 0 allocs/op
Benchmark_ToString/int32-12 495227163 2.422 ns/op 0 B/op 0 allocs/op
Benchmark_ToString/int64-12 502362236 2.429 ns/op 0 B/op 0 allocs/op
Benchmark_ToString/uint-12 561693333 2.101 ns/op 0 B/op 0 allocs/op
Benchmark_ToString/uint8-12 611239028 1.965 ns/op 0 B/op 0 allocs/op
Benchmark_ToString/uint16-12 573383422 2.127 ns/op 0 B/op 0 allocs/op
Benchmark_ToString/uint32-12 575723191 2.093 ns/op 0 B/op 0 allocs/op
Benchmark_ToString/uint64-12 575901750 2.089 ns/op 0 B/op 0 allocs/op
Benchmark_ToString/string-12 613909396 1.959 ns/op 0 B/op 0 allocs/op
Benchmark_ToString/[]uint8-12 96832432 12.11 ns/op 16 B/op 1 allocs/op
Benchmark_ToString/bool-12 608058547 1.990 ns/op 0 B/op 0 allocs/op
Benchmark_ToString/float32-12 23195016 47.11 ns/op 4 B/op 1 allocs/op
Benchmark_ToString/float64-12 17204126 70.24 ns/op 4 B/op 1 allocs/op
Benchmark_ToString/time.Time-12 13103935 91.85 ns/op 24 B/op 1 allocs/op
Benchmark_ToString/time.Time#01-12 13198113 91.22 ns/op 24 B/op 1 allocs/op
Benchmark_ToString/[]string-12 65187865 18.35 ns/op 16 B/op 1 allocs/op
Benchmark_ToString/[]int-12 54417859 21.53 ns/op 8 B/op 1 allocs/op
Benchmark_ToString/[2]int-12 32691942 36.57 ns/op 16 B/op 1 allocs/op
Benchmark_ToString/[][]int-12 9382754 128.8 ns/op 112 B/op 6 allocs/op
Benchmark_ToString/[]interface_{}-12 10584483 114.5 ns/op 72 B/op 3 allocs/op
Benchmark_ToString/utils.MyStringer-12 365979882 3.277 ns/op 0 B/op 0 allocs/op
Benchmark_ToString/utils.CustomType-12 11649330 102.5 ns/op 16 B/op 1 allocs/op
Benchmark_ToString_concurrency/int-12 1000000000 0.2619 ns/op 0 B/op 0 allocs/op
Benchmark_ToString_concurrency/int8-12 1000000000 0.2202 ns/op 0 B/op 0 allocs/op
Benchmark_ToString_concurrency/int16-12 1000000000 0.2708 ns/op 0 B/op 0 allocs/op
Benchmark_ToString_concurrency/int32-12 1000000000 0.2658 ns/op 0 B/op 0 allocs/op
Benchmark_ToString_concurrency/int64-12 1000000000 0.2658 ns/op 0 B/op 0 allocs/op
Benchmark_ToString_concurrency/uint-12 1000000000 0.2281 ns/op 0 B/op 0 allocs/op
Benchmark_ToString_concurrency/uint8-12 1000000000 0.2223 ns/op 0 B/op 0 allocs/op
Benchmark_ToString_concurrency/uint16-12 1000000000 0.2396 ns/op 0 B/op 0 allocs/op
Benchmark_ToString_concurrency/uint32-12 1000000000 0.2273 ns/op 0 B/op 0 allocs/op
Benchmark_ToString_concurrency/uint64-12 1000000000 0.2271 ns/op 0 B/op 0 allocs/op
Benchmark_ToString_concurrency/string-12 1000000000 0.2117 ns/op 0 B/op 0 allocs/op
Benchmark_ToString_concurrency/[]uint8-12 213842515 5.718 ns/op 16 B/op 1 allocs/op
Benchmark_ToString_concurrency/bool-12 1000000000 0.2118 ns/op 0 B/op 0 allocs/op
Benchmark_ToString_concurrency/float32-12 201081819 6.011 ns/op 4 B/op 1 allocs/op
Benchmark_ToString_concurrency/float64-12 142000966 8.799 ns/op 4 B/op 1 allocs/op
Benchmark_ToString_concurrency/time.Time-12 71451783 18.04 ns/op 24 B/op 1 allocs/op
Benchmark_ToString_concurrency/time.Time#01-12 69313578 17.74 ns/op 24 B/op 1 allocs/op
Benchmark_ToString_concurrency/[]string-12 187564670 6.455 ns/op 16 B/op 1 allocs/op
Benchmark_ToString_concurrency/[]int-12 262707805 4.498 ns/op 8 B/op 1 allocs/op
Benchmark_ToString_concurrency/[2]int-12 129274200 8.777 ns/op 16 B/op 1 allocs/op
Benchmark_ToString_concurrency/[][]int-12 22638411 52.65 ns/op 112 B/op 6 allocs/op
Benchmark_ToString_concurrency/[]interface_{}-12 34120837 35.36 ns/op 72 B/op 3 allocs/op
Benchmark_ToString_concurrency/utils.MyStringer-12 1000000000 0.4259 ns/op 0 B/op 0 allocs/op
Benchmark_ToString_concurrency/utils.CustomType-12 54806094 25.95 ns/op 16 B/op 1 allocs/op
Benchmark_UnsafeBytes/unsafe-12 1000000000 0.5658 ns/op 0 B/op 0 allocs/op
Benchmark_UnsafeBytes/default-12 88407558 13.50 ns/op 16 B/op 1 allocs/op
Benchmark_UnsafeString/unsafe-12 1000000000 0.3545 ns/op 0 B/op 0 allocs/op
Benchmark_UnsafeString/default-12 100000000 12.09 ns/op 16 B/op 1 allocs/op
Benchmark_ByteSize/0-12 395954607 3.023 ns/op 0 B/op 0 allocs/op
Benchmark_ByteSize/1-12 65295756 18.15 ns/op 16 B/op 1 allocs/op
Benchmark_ByteSize/500-12 58264801 20.92 ns/op 16 B/op 1 allocs/op
Benchmark_ByteSize/1024-12 60886531 19.80 ns/op 16 B/op 1 allocs/op
Benchmark_ByteSize/1126-12 53409986 22.69 ns/op 16 B/op 1 allocs/op
Benchmark_ByteSize/1048576-12 60969927 19.41 ns/op 16 B/op 1 allocs/op
Benchmark_ByteSize/1153024-12 53647869 22.12 ns/op 16 B/op 1 allocs/op
Benchmark_ByteSize/1073741824-12 63792180 19.05 ns/op 16 B/op 1 allocs/op
Benchmark_ByteSize/1180696576-12 54560540 22.02 ns/op 16 B/op 1 allocs/op
Benchmark_ByteSize/1099511627776-12 64080169 18.85 ns/op 16 B/op 1 allocs/op
Benchmark_ByteSize/1209033293824-12 52957434 22.01 ns/op 16 B/op 1 allocs/op
Benchmark_ByteSize/1125899906842624-12 65629659 18.33 ns/op 16 B/op 1 allocs/op
Benchmark_ByteSize/1238050092875776-12 56535770 21.73 ns/op 16 B/op 1 allocs/op
Benchmark_ByteSize/1152921504606846976-12 64569356 18.56 ns/op 16 B/op 1 allocs/op
Benchmark_ByteSize/1267763295104794624-12 56481996 21.10 ns/op 16 B/op 1 allocs/op
# Format and Append
Benchmark_FormatUint/small/fiber-12 607527520 1.966 ns/op 0 B/op 0 allocs/op
Benchmark_FormatUint/small/strconv-12 607521366 1.973 ns/op 0 B/op 0 allocs/op
Benchmark_FormatUint/medium/fiber-12 64427509 19.04 ns/op 16 B/op 1 allocs/op
Benchmark_FormatUint/medium/strconv-12 59566404 20.42 ns/op 16 B/op 1 allocs/op
Benchmark_FormatUint/large/fiber-12 45395149 26.16 ns/op 24 B/op 1 allocs/op
Benchmark_FormatUint/large/strconv-12 45620366 26.38 ns/op 24 B/op 1 allocs/op
Benchmark_FormatInt/small_pos/fiber-12 608898928 1.963 ns/op 0 B/op 0 allocs/op
Benchmark_FormatInt/small_pos/strconv-12 598721480 1.976 ns/op 0 B/op 0 allocs/op
Benchmark_FormatInt/small_neg/fiber-12 616958124 1.946 ns/op 0 B/op 0 allocs/op
Benchmark_FormatInt/small_neg/strconv-12 87181050 13.77 ns/op 3 B/op 1 allocs/op
Benchmark_FormatInt/medium_pos/fiber-12 63105722 19.12 ns/op 16 B/op 1 allocs/op
Benchmark_FormatInt/medium_pos/strconv-12 57454753 20.70 ns/op 16 B/op 1 allocs/op
Benchmark_FormatInt/medium_neg/fiber-12 63631222 19.10 ns/op 16 B/op 1 allocs/op
Benchmark_FormatInt/medium_neg/strconv-12 61296942 20.17 ns/op 16 B/op 1 allocs/op
Benchmark_FormatInt/large_pos/fiber-12 48604558 25.08 ns/op 24 B/op 1 allocs/op
Benchmark_FormatInt/large_pos/strconv-12 45605844 26.25 ns/op 24 B/op 1 allocs/op
Benchmark_FormatInt/large_neg/fiber-12 47388217 25.09 ns/op 24 B/op 1 allocs/op
Benchmark_FormatInt/large_neg/strconv-12 45871998 26.10 ns/op 24 B/op 1 allocs/op
Benchmark_FormatUint32/fiber-12 63452196 18.63 ns/op 16 B/op 1 allocs/op
Benchmark_FormatUint32/strconv-12 59485942 20.08 ns/op 16 B/op 1 allocs/op
Benchmark_FormatInt32/fiber-12 63030724 18.98 ns/op 16 B/op 1 allocs/op
Benchmark_FormatInt32/strconv-12 61887302 19.69 ns/op 16 B/op 1 allocs/op
Benchmark_FormatUint16/fiber-12 80149611 14.48 ns/op 5 B/op 1 allocs/op
Benchmark_FormatUint16/strconv-12 77022440 15.43 ns/op 5 B/op 1 allocs/op
Benchmark_FormatInt16/fiber-12 79013646 15.23 ns/op 8 B/op 1 allocs/op
Benchmark_FormatInt16/strconv-12 79695165 15.24 ns/op 8 B/op 1 allocs/op
Benchmark_FormatUint8/fiber-12 599811685 1.947 ns/op 0 B/op 0 allocs/op
Benchmark_FormatUint8/strconv-12 84144096 14.18 ns/op 3 B/op 1 allocs/op
Benchmark_FormatInt8/fiber-12 630717244 1.985 ns/op 0 B/op 0 allocs/op
Benchmark_FormatInt8/strconv-12 83826201 14.24 ns/op 4 B/op 1 allocs/op
Benchmark_AppendUint/fiber-12 130817422 9.139 ns/op 0 B/op 0 allocs/op
Benchmark_AppendUint/strconv-12 100000000 10.08 ns/op 0 B/op 0 allocs/op
Benchmark_AppendInt/small_neg/fiber-12 369512403 3.266 ns/op 0 B/op 0 allocs/op
Benchmark_AppendInt/small_neg/strconv-12 213341739 5.627 ns/op 0 B/op 0 allocs/op
Benchmark_AppendInt/medium_neg/fiber-12 125937435 9.531 ns/op 0 B/op 0 allocs/op
Benchmark_AppendInt/medium_neg/strconv-12 122490632 9.791 ns/op 0 B/op 0 allocs/op
# Token
Benchmark_GenerateSecureToken/16_bytes-12 4565527 258.6 ns/op 24 B/op 1 allocs/op
Benchmark_GenerateSecureToken/32_bytes-12 4306404 280.8 ns/op 48 B/op 1 allocs/op
Benchmark_TokenGenerators/UUIDv4-12 4019139 288.2 ns/op 64 B/op 2 allocs/op
Benchmark_TokenGenerators/SecureToken-12 4360036 276.9 ns/op 48 B/op 1 allocs/op
# HTTP
Benchmark_GetMIME/fiber-12 22321272 53.90 ns/op 0 B/op 0 allocs/op
Benchmark_GetMIME/default-12 17492530 68.46 ns/op 0 B/op 0 allocs/op
Benchmark_ParseVendorSpecificContentType/vendorContentType-12 125467813 9.619 ns/op 0 B/op 0 allocs/op
Benchmark_ParseVendorSpecificContentType/defaultContentType-12 404169172 2.974 ns/op 0 B/op 0 allocs/op
Benchmark_StatusMessage/fiber-12 1000000000 0.3349 ns/op 0 B/op 0 allocs/op
Benchmark_StatusMessage/default-12 460456902 2.610 ns/op 0 B/op 0 allocs/op
# IP
Benchmark_IsIPv4/fiber-12 80408070 14.58 ns/op 0 B/op 0 allocs/op
Benchmark_IsIPv4/default-12 54025154 21.99 ns/op 0 B/op 0 allocs/op
Benchmark_IsIPv6/fiber-12 28283431 42.67 ns/op 0 B/op 0 allocs/op
Benchmark_IsIPv6/default-12 20747964 58.18 ns/op 0 B/op 0 allocs/op
# Parse
Benchmark_ParseUint/fiber-12 236748204 5.049 ns/op 0 B/op 0 allocs/op
Benchmark_ParseUint/fiber_bytes-12 224650773 5.348 ns/op 0 B/op 0 allocs/op
Benchmark_ParseUint/default-12 88588122 13.75 ns/op 0 B/op 0 allocs/op
Benchmark_ParseUint_DigitRuns/6digit-12 207540178 5.769 ns/op 0 B/op 0 allocs/op
Benchmark_ParseUint_DigitRuns/8digit-12 222360716 5.403 ns/op 0 B/op 0 allocs/op
Benchmark_ParseUint_DigitRuns/12digit-12 156132950 7.699 ns/op 0 B/op 0 allocs/op
Benchmark_ParseUint_DigitRuns/19digit-12 135049720 8.880 ns/op 0 B/op 0 allocs/op
Benchmark_ParseUint_DigitRuns/1digit-12 338642533 3.553 ns/op 0 B/op 0 allocs/op
Benchmark_ParseUint_DigitRuns/4digit-12 212370570 5.672 ns/op 0 B/op 0 allocs/op
Benchmark_ParseInt/fiber-12 299791800 3.981 ns/op 0 B/op 0 allocs/op
Benchmark_ParseInt/fiber_bytes-12 288714712 4.165 ns/op 0 B/op 0 allocs/op
Benchmark_ParseInt/default-12 76370292 15.48 ns/op 0 B/op 0 allocs/op
Benchmark_ParseInt32/fiber-12 200451391 5.988 ns/op 0 B/op 0 allocs/op
Benchmark_ParseInt32/fiber_bytes-12 201629558 5.956 ns/op 0 B/op 0 allocs/op
Benchmark_ParseInt32/default-12 78384832 15.71 ns/op 0 B/op 0 allocs/op
Benchmark_ParseInt16/fiber-12 220670613 5.462 ns/op 0 B/op 0 allocs/op
Benchmark_ParseInt16/fiber_bytes-12 220175068 5.430 ns/op 0 B/op 0 allocs/op
Benchmark_ParseInt16/default-12 100000000 10.71 ns/op 0 B/op 0 allocs/op
Benchmark_ParseInt8/fiber-12 277948545 4.279 ns/op 0 B/op 0 allocs/op
Benchmark_ParseInt8/fiber_bytes-12 264784368 4.566 ns/op 0 B/op 0 allocs/op
Benchmark_ParseInt8/default-12 142184748 8.373 ns/op 0 B/op 0 allocs/op
Benchmark_ParseUint32/fiber-12 238916116 5.025 ns/op 0 B/op 0 allocs/op
Benchmark_ParseUint32/fiber_bytes-12 222286592 5.409 ns/op 0 B/op 0 allocs/op
Benchmark_ParseUint32/default-12 90395479 13.33 ns/op 0 B/op 0 allocs/op
Benchmark_ParseUint16/fiber-12 251398184 4.828 ns/op 0 B/op 0 allocs/op
Benchmark_ParseUint16/fiber_bytes-12 248772012 4.838 ns/op 0 B/op 0 allocs/op
Benchmark_ParseUint16/default-12 137015901 8.788 ns/op 0 B/op 0 allocs/op
Benchmark_ParseUint8/fiber-12 360430984 3.427 ns/op 0 B/op 0 allocs/op
Benchmark_ParseUint8/fiber_bytes-12 327526336 3.659 ns/op 0 B/op 0 allocs/op
Benchmark_ParseUint8/default-12 181904056 6.438 ns/op 0 B/op 0 allocs/op
Benchmark_ParseFloat64/fiber-12 82912768 14.76 ns/op 0 B/op 0 allocs/op
Benchmark_ParseFloat64/fiber_bytes-12 95692504 12.68 ns/op 0 B/op 0 allocs/op
Benchmark_ParseFloat64/default-12 50109265 25.05 ns/op 0 B/op 0 allocs/op
Benchmark_ParseFloat32/fiber-12 76648135 15.76 ns/op 0 B/op 0 allocs/op
Benchmark_ParseFloat32/fiber_bytes-12 86422119 13.63 ns/op 0 B/op 0 allocs/op
Benchmark_ParseFloat32/default-12 47198646 25.41 ns/op 0 B/op 0 allocs/op
# Time
Benchmark_CalculateTimestamp/fiber-12 1000000000 0.3366 ns/op 0 B/op 0 allocs/op
Benchmark_CalculateTimestamp/default-12 36163686 32.69 ns/op 0 B/op 0 allocs/op
Benchmark_CalculateTimestamp/fiber_asserted-12 4471299 267.8 ns/op 12 B/op 2 allocs/op
Benchmark_CalculateTimestamp/default_asserted-12 3991147 298.7 ns/op 8 B/op 2 allocs/op
# XML
Benchmark_GolangXMLEncoder-12 574852 2040 ns/op 4864 B/op 12 allocs/op
Benchmark_DefaultXMLEncoder-12 593738 2012 ns/op 4864 B/op 12 allocs/op
Benchmark_DefaultXMLDecoder-12 309031 3876 ns/op 2892 B/op 57 allocs/op
See all the benchmarks under https://gofiber.github.io/utils/benchmarks
EqualFold, IndexFold, ContainsFold, HasPrefixFold, and
HasSuffixFold compare ASCII case-insensitively using the SWAR word
loops: only A..Z/a..z fold, every other byte (including bytes
= 0x80) must match exactly.
HasPrefixFoldandHasSuffixFoldcover the header checks Fiber otherwise spells as an allocation-proneToLower+HasPrefix/HasSuffixpair (authorization schemes such asBearer, content-type prefixes such asmultipart/form-data, suffixes such as+json), and like the other Fold helpers they take the needle as a plain string because call sites pass constant tokens. TheirBenchmark_HasPrefixFold/Benchmark_HasSuffixFoldnumbers are tracked on the benchmark charts and join the catalog above on its next regeneration.
AppendHTTPDate and FormatHTTPDate write a time in the RFC 9110
preferred HTTP date format (Mon, 02 Jan 2006 15:04:05 GMT,
net/http.TimeFormat), byte-identical to time.Format with that layout
but without walking a layout string: the fixed-width template is copied
once and only the fields are overwritten. ParseHTTPDate is the reverse:
canonical preferred-format input takes a strict scalar fast path, and
everything else — the obsolete RFC 850 and asctime forms, unusual casing,
non-GMT zone names, padding — falls back to time.Parse with
net/http.ParseTime semantics, including its errors. Date,
Last-Modified, and If-Modified-Since handling sit on every
request/response, which makes these the highest-leverage helpers in this
group for Fiber.
AppendQueryEscape/AppendPathEscape and
AppendQueryUnescape/AppendPathUnescape produce byte-identical results
(and, for the unescape pair, identical url.EscapeError values) to their
net/url counterparts, as append-style, allocation-free single passes.
The escape tables are pinned to net/url.shouldEscape by exhaustive
per-byte tests. Unescaping jumps between escape sites with the vectorized
scans (IndexAny2 when + needs rewriting, bytes.IndexByte otherwise)
and copies clean spans wholesale, so route parameters and query values
without escapes — the common case — cost one scan and one copy. Decoding
never grows the input, so dst may be s[:0] on a common backing array
to unescape in place; escaping can grow the input, so there dst must
not alias s.
AppendJSONString appends a value as a double-quoted JSON string,
byte-identical to encoding/json.Marshal of the same string — including
its default HTML escaping (<, >, &), the \ufffd replacement of
invalid UTF-8 bytes, and the U+2028/U+2029 escapes — without any of
Marshal's reflection or allocation. Clean spans are located with a SWAR
scan (the same first-match-mask technique as IndexNonQuotable) and
copied wholesale. This is the building block for hand-rolled JSON hot
paths such as access-log lines and error bodies.
ParseIPv4 and ParseIPv6 parse addresses into netip.Addr, accepting
exactly the strings netip.ParseAddr accepts for the respective family
(pinned by fuzzing) while reporting failure with a bool instead of a
constructed error. Both take strings or byte slices, so fasthttp-style
callers skip the string conversion entirely; remote-address and
trusted-proxy checks parse an IP on every request in Fiber.
CanonicalHeaderKey Title-Cases an HTTP header key exactly like
net/http.CanonicalHeaderKey, including its return-unchanged guard for
keys containing non-token bytes. Already-canonical keys — the common case
on receive paths — are validated in a single table pass and returned
as-is with zero allocations for strings and byte slices alike. Keys that
do need rewriting cost one allocation; note that for the ~40 header names
in the stdlib's interning table the stdlib returns a cached string
without allocating, so this helper's edge there is time, not allocations.
These helpers were added on an amd64 machine, so like the simd numbers
their benchmarks are recorded separately from the arm64 catalog above and
join it on its next regeneration:
Environment: goos: linux goarch: amd64 pkg: github.com/gofiber/utils/v2 cpu: Intel(R) Xeon(R) Processor @ 2.80GHz
// go test -benchmem -run=^$ -bench='Benchmark_(Append|Parse)HTTPDate|Benchmark_Append(Query|Path)|Benchmark_AppendJSONString|Benchmark_ParseIPv[46]|Benchmark_CanonicalHeaderKey' -count=1 .
Benchmark_AppendHTTPDate/fiber-4 24732448 50.32 ns/op 0 B/op 0 allocs/op
Benchmark_AppendHTTPDate/default-4 7009405 171.2 ns/op 0 B/op 0 allocs/op
Benchmark_ParseHTTPDate/fiber-4 35094189 32.26 ns/op 0 B/op 0 allocs/op
Benchmark_ParseHTTPDate/default-4 4741988 251.7 ns/op 0 B/op 0 allocs/op
Benchmark_AppendQueryEscape/clean-64B/fiber-4 18618994 64.21 ns/op 0 B/op 0 allocs/op
Benchmark_AppendQueryEscape/clean-64B/default-4 4653057 254.4 ns/op 0 B/op 0 allocs/op
Benchmark_AppendQueryEscape/mixed-64B/fiber-4 4637103 244.2 ns/op 0 B/op 0 allocs/op
Benchmark_AppendQueryEscape/mixed-64B/default-4 1600225 756.7 ns/op 192 B/op 2 allocs/op
Benchmark_AppendQueryUnescape/plain-64B/fiber-4 56108641 20.74 ns/op 0 B/op 0 allocs/op
Benchmark_AppendQueryUnescape/plain-64B/default-4 7959500 136.8 ns/op 0 B/op 0 allocs/op
Benchmark_AppendQueryUnescape/escaped-64B/fiber-4 4737538 250.3 ns/op 0 B/op 0 allocs/op
Benchmark_AppendQueryUnescape/escaped-64B/default-4 3816861 312.7 ns/op 48 B/op 1 allocs/op
Benchmark_AppendPathUnescape/plain-25B/fiber-4 74870614 16.38 ns/op 0 B/op 0 allocs/op
Benchmark_AppendPathUnescape/plain-25B/default-4 11201378 90.13 ns/op 0 B/op 0 allocs/op
Benchmark_AppendPathUnescape/escaped-31B/fiber-4 19748607 62.69 ns/op 0 B/op 0 allocs/op
Benchmark_AppendPathUnescape/escaped-31B/default-4 6227439 173.6 ns/op 24 B/op 1 allocs/op
Benchmark_AppendJSONString/clean-16B/fiber-4 47903053 22.13 ns/op 0 B/op 0 allocs/op
Benchmark_AppendJSONString/clean-16B/default-4 7762933 151.9 ns/op 40 B/op 2 allocs/op
Benchmark_AppendJSONString/clean-64B/fiber-4 18578377 64.12 ns/op 0 B/op 0 allocs/op
Benchmark_AppendJSONString/clean-64B/default-4 3901436 271.8 ns/op 96 B/op 2 allocs/op
Benchmark_AppendJSONString/escaped-64B/fiber-4 7056486 165.8 ns/op 0 B/op 0 allocs/op
Benchmark_AppendJSONString/escaped-64B/default-4 3842581 319.8 ns/op 96 B/op 2 allocs/op
Benchmark_AppendJSONString/unicode-64B/fiber-4 4654760 248.2 ns/op 0 B/op 0 allocs/op
Benchmark_AppendJSONString/unicode-64B/default-4 3786951 309.2 ns/op 112 B/op 2 allocs/op
Benchmark_ParseIPv4/fiber-4 52309202 20.02 ns/op 0 B/op 0 allocs/op
Benchmark_ParseIPv4/default-4 42021915 28.74 ns/op 0 B/op 0 allocs/op
Benchmark_ParseIPv6/compressed/fiber-4 22675394 51.88 ns/op 0 B/op 0 allocs/op
Benchmark_ParseIPv6/compressed/default-4 18522648 64.65 ns/op 0 B/op 0 allocs/op
Benchmark_ParseIPv6/full/fiber-4 20229412 61.40 ns/op 0 B/op 0 allocs/op
Benchmark_ParseIPv6/full/default-4 14830760 83.42 ns/op 0 B/op 0 allocs/op
Benchmark_CanonicalHeaderKey/canonical/fiber-4 54643375 22.69 ns/op 0 B/op 0 allocs/op
Benchmark_CanonicalHeaderKey/canonical/default-4 36882357 28.46 ns/op 0 B/op 0 allocs/op
Benchmark_CanonicalHeaderKey/common-lower/fiber-4 22508378 52.04 ns/op 16 B/op 1 allocs/op
Benchmark_CanonicalHeaderKey/common-lower/default-4 21160863 56.48 ns/op 0 B/op 0 allocs/op
Benchmark_CanonicalHeaderKey/custom-lower/fiber-4 17017753 73.05 ns/op 24 B/op 1 allocs/op
Benchmark_CanonicalHeaderKey/custom-lower/default-4 12678414 102.6 ns/op 24 B/op 1 allocs/op
The swar package exports the SWAR (SIMD within a register)
building blocks the helpers above are composed from: Load8/Store8,
Broadcast, ZeroLanes, MatchByteMask/MatchRangeMask,
ToLowerWord/ToUpperWord, FirstLane/LastLane, and the WordLen,
Ones, HighBits, and LowSeven constants. They are exported so
downstream packages (Fiber itself, middleware) can fuse their own byte
scans — for example, finding a delimiter while classifying the bytes
before it — without re-deriving the bit tricks. The contracts (unchecked
bounds preconditions, ZeroLanes' approximate mask, the little-endian
lane order) and runnable examples live in the package documentation.
The package benchmarks its primitives against their stdlib counterparts
the same way the helpers above do, measuring the canonical loops composed
from them: Load8/Store8 vs encoding/binary's little-endian
Uint64/PutUint64, a ZeroLanes first-match scan vs
strings.IndexByte, a MatchByteMask+LastLane reverse scan vs
bytes.LastIndexByte, a MatchRangeMask digit scan vs
strings.IndexAny, and an in-place ToLowerWord loop vs
bytes.ToLower. The composed loops are pinned to the stdlib results by a
dedicated test, and the numbers are tracked per commit on the
benchmark charts. Note
that strings.IndexByte is hand-written SIMD assembly and overtakes the
portable SWAR scan on large inputs; the SWAR primitives earn their keep
on short HTTP-sized inputs and on fused scans the stdlib has no single
function for. The package's remaining benchmark, Benchmark_Load8_Fusion,
is an advisory codegen guard rather than an API performance promise, so
it is deliberately not part of the catalog above.
The simd package is the vector-width counterpart to swar: byte
searching and validation whose scan kernels dispatch to AVX2 assembly (four
32-byte vectors per iteration) on amd64 CPUs for inputs of simd.MinLen
(32) bytes or more, and fall back to portable loops built on the swar
primitives everywhere else, so it builds and behaves identically on every
platform.
simd.Accelerated() reports which mode is active. CPU capability detection
uses golang.org/x/sys/cpu,
which also verifies OS support for saving the vector register state.
The AVX2-backed kernels are the multi-needle scans (Memchr2, Memchr3),
the paired-byte scan (MemchrPair), the class scans
(MemchrDigit/MemchrDigitAt, MemchrWord/MemchrNotWord), the ASCII
scans (IsASCII, FirstNonASCII, CountNonASCII), and the substring
search (Memmem), which
prefilters on the needle's rarest bytes (SelectRareBytes, ByteRank)
before verifying candidates — 2-6 byte needles containing two distinct
values are scanned for their two rarest bytes at the exact relative
distance, longer or single-valued needles for the single rarest byte.
Each kernel classifies four 32-byte vectors per iteration. Where the
result is a position or a yes/no, the four masks are combined, so a
128-byte block costs a single VPMOVMSKB and a single branch, and the
scans that report a position re-extract the four masks in address order on
the (rare) hit path. CountNonASCII is the exception — a count cannot be
recovered from a combined mask, so it extracts and population-counts all
four, and it is the one kernel gated on POPCNT in addition to AVX2.
One tier is documented explicitly as unaccelerated:
MemchrInTable/MemchrNotInTable are plain
scalar loops, since an arbitrary 256-entry membership test has no cheap
vector form. There is deliberately no single-needle Memchr:
bytes.IndexByte is already vector-accelerated by the Go runtime. Memmem
delegates to bytes.Index below 128 bytes — a conservative routing point
above the paired scan's measured break-even (Benchmark_Memmem_Prefilter
forces the prefilter helpers at every size to keep it measurable) — and
bails to bytes.Index after a bounded number of failed candidate
verifications, so even adversarial inputs — a rare byte everywhere plus a
long almost-matching needle — stay within a constant of the stdlib's
O(n+m) (see Benchmark_Memmem_Adversarial). The
package operates on []byte only; the generic top-level helpers IsASCII,
IndexAny2, and IndexAny3 dispatch into it automatically for inputs of
simd.MinLen+ bytes on amd64, which is where the AVX2 kernels overtake the
SWAR word loops (-35% to -88% ns/op at 32-512B in benchstat -count=10
runs; shorter inputs keep the existing SWAR paths).
The kernels are adapted from the coregex
project's simd package (MIT License, Copyright (c) 2025 Andrey Kolkov and
contributors; see simd/LICENSE), with the legacy-SSE
register moves in the kernels replaced by VEX-encoded ones to avoid AVX-SSE
transition stalls, the scalar tail loops replaced by overlapping vector
rescans at the buffer end (a 63-byte scan previously cost ~3.7x a 64-byte
one), the 32-byte main loops replaced by 4x unrolled 128-byte blocks whose
bound is tested once at the bottom against a precomputed limit pointer, the
\w classifier rewritten from three VPMINUB/VPMAXUB clamp-and-compare
range tests into two VPSHUFB nibble-table lookups, FirstNonASCII and
CountNonASCII given kernels of their own (they were SWAR-only), and
the fallbacks reworked around the stdlib and the swar package as
described above.
Against the pre-unrolling kernels, benchstat -count=10 on the machine
below reports -26.6%/-49.7% ns/op for Memchr2 at 512B/4096B,
-17.6%/-34.3% for Memchr3, -13.4%/-24.6% for MemchrPair,
-39.2%/-50.5% for MemchrDigit, -53.5%/-63.7% for MemchrNotWord,
-42.2%/-65.7% for IsASCII, and -13.7%/-27.1% for Memmem, which rides
the paired scan. Those percentages come from benchstat over ten runs of
each side; the single-run table below is a catalog, not a base-vs-head
comparison, so subtracting its rows from an older copy of it will not
reproduce them.
Two bands see no benefit and are worth stating plainly. Inputs below
simd.MinLen never reach the kernels at all. Inputs of 32-127 bytes do
reach them but skip the 128-byte block loop, so they pay its setup with
nothing to amortize it against: across that band benchstat reports the
class scans clearly ahead (MemchrNotWord -8.6% at 32B, -18.4% at 64B;
IsASCII -5.0%/-4.3%), most rows statistically unchanged, and two small
regressions — MemchrDigit +5.6% at 32B and Memchr3 +3.8% at 64B. Read
those small-input figures against the run's own noise floor: the default
legs call unchanged stdlib code, so their movement bounds what a delta of
that size means. They held within 1% in the run quoted here, but a later
run on the same machine drifted up to 17% on those same rows, so anything
under ~10% at 32-64B should be taken as "no measured change" unless its
control legs are quiet.
On the portable side, pinning each unrolled group of words with a reslice
before loading at constant offsets inside it removes the per-load bounds
check that swar.Load8's own reslice otherwise repeats. Measured with
benchstat -count=10 against the same fallbacks, at 32B/512B/4KiB:
IsASCII -28%/-60%/-63%, CountNonASCII -24%/-44%/-44%,
FirstNonASCII -23%/-37%/-43%, Memchr2 -19%/-23%/-25%,
MemchrDigit -7%/-12%/-17%, Memchr3 -8%/-13%/-18%,
MemchrWord -11%/-8%/-11%, MemchrNotWord -5%/-7%/-6%. The tier a group
adds costs one compare on inputs too short to use it, which shows up as
+3% to +10% on some of the 8B fallback rows — a few tenths of a
nanosecond, and only below the length where the group pays for itself.
utils.IsASCII carries the same rework, so the two copies of that scan
stay in step.
Making the counting kernel finish its own sub-vector remainder (rather
than splitting the input in Go and calling the SWAR loop for the tail)
also removed a second non-inlinable call from every whole-vector input:
CountNonASCII at 32B went from 11.3ns — behind its own fallback — to
6.8ns, level with it, and it leads from 64B up.
Because the AVX2 kernels only engage on amd64, their benchmark numbers are recorded separately from the arm64 catalog above:
Environment: goos: linux goarch: amd64 pkg: github.com/gofiber/utils/v2/simd cpu: Intel(R) Xeon(R) Processor @ 2.80GHz (AVX2)
// go test ./simd/ -benchmem -run=^$ -bench=Benchmark_ -count=1
Benchmark_Memchr2/8B/simd-4 166775934 6.955 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr2/8B/scalar-4 211595070 5.814 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr2/8B/default-4 30108765 36.02 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr2/32B/simd-4 188099018 6.475 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr2/32B/scalar-4 100000000 10.15 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr2/32B/default-4 25436731 45.07 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr2/64B/simd-4 160683514 7.316 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr2/64B/scalar-4 74313721 16.33 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr2/64B/default-4 20844832 55.97 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr2/512B/simd-4 81902580 14.97 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr2/512B/scalar-4 10329916 118.8 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr2/512B/default-4 3075676 393.0 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr2/4096B/simd-4 18102721 68.61 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr2/4096B/scalar-4 1416972 864.8 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr2/4096B/default-4 402018 2983 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr3/8B/simd-4 136411728 8.676 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr3/8B/scalar-4 154497250 7.486 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr3/8B/default-4 34597688 39.32 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr3/32B/simd-4 156686616 7.817 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr3/32B/scalar-4 85514072 14.02 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr3/32B/default-4 34173225 34.18 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr3/64B/simd-4 136311558 8.716 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr3/64B/scalar-4 49021902 23.70 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr3/64B/default-4 21518966 57.19 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr3/512B/simd-4 64916151 19.62 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr3/512B/scalar-4 7012357 162.1 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr3/512B/default-4 2803662 392.5 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr3/4096B/simd-4 11516102 98.47 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr3/4096B/scalar-4 967389 1233 ns/op 0 B/op 0 allocs/op
Benchmark_Memchr3/4096B/default-4 372224 3004 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrPair/8B/simd-4 100000000 10.46 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrPair/8B/scalar-4 205322738 5.875 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrPair/32B/simd-4 55314021 20.89 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrPair/32B/scalar-4 57437145 21.17 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrPair/64B/simd-4 121543113 9.470 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrPair/64B/scalar-4 26435707 42.11 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrPair/512B/simd-4 54232755 19.35 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrPair/512B/scalar-4 2976901 347.0 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrPair/4096B/simd-4 13514536 88.98 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrPair/4096B/scalar-4 430855 2778 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrDigit/8B/simd-4 136738652 7.944 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrDigit/8B/scalar-4 209848646 5.301 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrDigit/32B/simd-4 180939722 6.379 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrDigit/32B/scalar-4 100000000 10.44 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrDigit/64B/simd-4 163112491 7.578 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrDigit/64B/scalar-4 69132280 16.96 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrDigit/512B/simd-4 82707004 14.48 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrDigit/512B/scalar-4 9733840 133.2 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrDigit/4096B/simd-4 15429883 81.41 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrDigit/4096B/scalar-4 1316628 923.9 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrWord/8B/simd-4 100000000 10.39 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrWord/8B/scalar-4 137844606 8.635 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrWord/32B/simd-4 171564747 7.032 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrWord/32B/scalar-4 49735075 23.14 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrWord/64B/simd-4 146017768 8.557 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrWord/64B/scalar-4 24390914 43.91 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrWord/512B/simd-4 61057335 19.83 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrWord/512B/scalar-4 2999950 351.0 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrWord/4096B/simd-4 10848006 111.5 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrWord/4096B/scalar-4 420418 2717 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrNotWord/8B/simd-4 100000000 10.44 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrNotWord/8B/scalar-4 129633012 9.306 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrNotWord/32B/simd-4 165562329 7.131 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrNotWord/32B/scalar-4 45987835 27.13 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrNotWord/64B/simd-4 132951244 8.781 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrNotWord/64B/scalar-4 24562381 49.54 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrNotWord/512B/simd-4 61239534 19.62 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrNotWord/512B/scalar-4 3130172 376.6 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrNotWord/4096B/simd-4 11077279 113.2 ns/op 0 B/op 0 allocs/op
Benchmark_MemchrNotWord/4096B/scalar-4 413086 3276 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem/8B/simd-4 100000000 10.99 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem/8B/default-4 133027675 9.593 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem/32B/simd-4 78421987 15.82 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem/32B/default-4 93988635 13.69 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem/64B/simd-4 63327909 19.84 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem/64B/default-4 68144829 16.73 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem/96B/simd-4 22108604 52.85 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem/96B/default-4 24109950 50.79 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem/128B/simd-4 46320181 24.47 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem/128B/default-4 16147812 64.02 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem/192B/simd-4 44552890 25.76 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem/192B/default-4 13128886 96.02 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem/512B/simd-4 35403554 32.31 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem/512B/default-4 4572046 267.1 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem/4096B/simd-4 11817771 112.8 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem/4096B/default-4 564676 2018 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/8B/paired-4 74481417 14.55 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/8B/paired-stdlib-4 132872514 9.482 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/32B/paired-4 46307214 26.30 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/32B/paired-stdlib-4 93691669 12.92 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/32B/single-4 69403665 17.82 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/32B/single-stdlib-4 72063870 17.05 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/64B/paired-4 68429199 16.65 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/64B/paired-stdlib-4 74431048 16.54 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/64B/single-4 31007065 38.97 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/64B/single-stdlib-4 30941724 40.61 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/96B/paired-4 65736357 19.59 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/96B/paired-stdlib-4 22522497 51.35 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/96B/single-4 24870852 48.59 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/96B/single-stdlib-4 29714346 43.42 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/128B/paired-4 51420790 19.82 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/128B/paired-stdlib-4 19055680 67.65 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/128B/single-4 16195831 77.24 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/128B/single-stdlib-4 23495053 52.67 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/192B/paired-4 58638885 19.92 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/192B/paired-stdlib-4 12657384 92.47 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/192B/single-4 11716906 97.63 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/192B/single-stdlib-4 14966446 82.35 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/512B/paired-4 45954300 26.91 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/512B/paired-stdlib-4 4483488 262.9 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/512B/single-4 4513759 268.3 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/512B/single-stdlib-4 4918275 243.2 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/4096B/paired-4 11952480 97.35 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/4096B/paired-stdlib-4 525157 2004 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/4096B/single-4 607122 1988 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Prefilter/4096B/single-stdlib-4 621241 1973 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Adversarial/simd-4 698 1715647 ns/op 0 B/op 0 allocs/op
Benchmark_Memmem_Adversarial/default-4 718 1696956 ns/op 0 B/op 0 allocs/op
Benchmark_IsASCII/8B/simd-4 253699356 4.888 ns/op 0 B/op 0 allocs/op
Benchmark_IsASCII/8B/swar-4 390683442 2.872 ns/op 0 B/op 0 allocs/op
Benchmark_IsASCII/32B/simd-4 234724498 5.305 ns/op 0 B/op 0 allocs/op
Benchmark_IsASCII/32B/swar-4 247579681 4.774 ns/op 0 B/op 0 allocs/op
Benchmark_IsASCII/64B/simd-4 196755495 5.838 ns/op 0 B/op 0 allocs/op
Benchmark_IsASCII/64B/swar-4 200039208 6.085 ns/op 0 B/op 0 allocs/op
Benchmark_IsASCII/512B/simd-4 134683416 8.874 ns/op 0 B/op 0 allocs/op
Benchmark_IsASCII/512B/swar-4 52244253 23.74 ns/op 0 B/op 0 allocs/op
Benchmark_IsASCII/4096B/simd-4 31798422 36.09 ns/op 0 B/op 0 allocs/op
Benchmark_IsASCII/4096B/swar-4 6289762 185.5 ns/op 0 B/op 0 allocs/op
Benchmark_FirstNonASCII/8B/simd-4 167846630 6.921 ns/op 0 B/op 0 allocs/op
Benchmark_FirstNonASCII/8B/swar-4 274941226 4.198 ns/op 0 B/op 0 allocs/op
Benchmark_FirstNonASCII/32B/simd-4 230169858 5.258 ns/op 0 B/op 0 allocs/op
Benchmark_FirstNonASCII/32B/swar-4 201038061 5.939 ns/op 0 B/op 0 allocs/op
Benchmark_FirstNonASCII/64B/simd-4 202030548 5.904 ns/op 0 B/op 0 allocs/op
Benchmark_FirstNonASCII/64B/swar-4 155556992 7.710 ns/op 0 B/op 0 allocs/op
Benchmark_FirstNonASCII/512B/simd-4 96933100 12.02 ns/op 0 B/op 0 allocs/op
Benchmark_FirstNonASCII/512B/swar-4 23106508 51.56 ns/op 0 B/op 0 allocs/op
Benchmark_FirstNonASCII/4096B/simd-4 18463803 65.99 ns/op 0 B/op 0 allocs/op
Benchmark_FirstNonASCII/4096B/swar-4 3403281 340.4 ns/op 0 B/op 0 allocs/op
Benchmark_CountNonASCII/8B/simd-4 187364193 6.482 ns/op 0 B/op 0 allocs/op
Benchmark_CountNonASCII/8B/swar-4 238375552 4.760 ns/op 0 B/op 0 allocs/op
Benchmark_CountNonASCII/32B/simd-4 178751967 6.643 ns/op 0 B/op 0 allocs/op
Benchmark_CountNonASCII/32B/swar-4 181234458 6.927 ns/op 0 B/op 0 allocs/op
Benchmark_CountNonASCII/64B/simd-4 168405226 6.951 ns/op 0 B/op 0 allocs/op
Benchmark_CountNonASCII/64B/swar-4 100000000 10.22 ns/op 0 B/op 0 allocs/op
Benchmark_CountNonASCII/512B/simd-4 75394282 13.91 ns/op 0 B/op 0 allocs/op
Benchmark_CountNonASCII/512B/swar-4 23672272 51.57 ns/op 0 B/op 0 allocs/op
Benchmark_CountNonASCII/4096B/simd-4 19620422 60.02 ns/op 0 B/op 0 allocs/op
Benchmark_CountNonASCII/4096B/swar-4 2849376 419.4 ns/op 0 B/op 0 allocs/op
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