name pcre2 ns/iter rust ns/iter diff ns/iter diff % misc::anchored_literal_long_match 20 (19500 MB/s) 24 (16250 MB/s) 4 20.00% misc::anchored_literal_long_non_match 15 (26000 MB/s) 27 (14444 MB/s) 12 80.00% misc::anchored_literal_short_match 19 (1368 MB/s) 22 (1181 MB/s) 3 15.79% misc::anchored_literal_short_non_match 13 (2000 MB/s) 24 (1083 MB/s) 11 84.62% misc::easy0_1K 241 (4360 MB/s) 16 (65687 MB/s) -225 -93.36% misc::easy0_1MB 207,103 (5063 MB/s) 20 (52430150 MB/s) -207,083 -99.99% misc::easy0_32 39 (1512 MB/s) 16 (3687 MB/s) -23 -58.97% misc::easy0_32K 6,522 (5028 MB/s) 16 (2049687 MB/s) -6,506 -99.75% misc::easy1_1K 247 (4226 MB/s) 48 (21750 MB/s) -199 -80.57% misc::easy1_1MB 206,893 (5068 MB/s) 48 (21845750 MB/s) -206,845 -99.98% misc::easy1_32 41 (1268 MB/s) 46 (1130 MB/s) 5 12.20% misc::easy1_32K 6,516 (5031 MB/s) 47 (697617 MB/s) -6,469 -99.28% misc::hard_1K 1,566 (671 MB/s) 58 (18120 MB/s) -1,508 -96.30% misc::hard_1MB 1,119,234 (936 MB/s) 61 (17190213 MB/s) -1,119,173 -99.99% misc::hard_32 95 (621 MB/s) 58 (1017 MB/s) -37 -38.95% misc::hard_32K 34,411 (953 MB/s) 56 (585625 MB/s) -34,355 -99.84% misc::literal 18 (2833 MB/s) 16 (3187 MB/s) -2 -11.11% misc::long_needle1 550,340 (181 MB/s) 2,226 (44924 MB/s) -548,114 -99.60% misc::long_needle2 553,056 (180 MB/s) 576,997 (173 MB/s) 23,941 4.33% misc::match_class 82 (987 MB/s) 65 (1246 MB/s) -17 -20.73% misc::match_class_in_range 20 (4050 MB/s) 27 (3000 MB/s) 7 35.00% misc::match_class_unicode 351 (458 MB/s) 283 (568 MB/s) -68 -19.37% misc::medium_1K 242 (4347 MB/s) 16 (65750 MB/s) -226 -93.39% misc::medium_1MB 207,290 (5058 MB/s) 21 (49933523 MB/s) -207,269 -99.99% misc::medium_32 41 (1463 MB/s) 17 (3529 MB/s) -24 -58.54% misc::medium_32K 6,529 (5023 MB/s) 17 (1929176 MB/s) -6,512 -99.74% misc::not_literal 161 (316 MB/s) 105 (485 MB/s) -56 -34.78% misc::one_pass_long_prefix 17 (1529 MB/s) 68 (382 MB/s) 51 300.00% misc::one_pass_long_prefix_not 18 (1444 MB/s) 58 (448 MB/s) 40 222.22% misc::one_pass_short 45 (377 MB/s) 45 (377 MB/s) 0 0.00% misc::one_pass_short_not 49 (346 MB/s) 50 (340 MB/s) 1 2.04% misc::reallyhard2_1K 4,487 (231 MB/s) 83 (12530 MB/s) -4,404 -98.15% misc::reallyhard_1K 1,260 (834 MB/s) 1,822 (576 MB/s) 562 44.60% misc::reallyhard_1MB 1,361,796 (770 MB/s) 1,768,327 (592 MB/s) 406,531 29.85% misc::reallyhard_32 93 (634 MB/s) 121 (487 MB/s) 28 30.11% misc::reallyhard_32K 42,503 (771 MB/s) 56,375 (581 MB/s) 13,872 32.64% misc::reverse_suffix_no_quadratic 4,559 (1754 MB/s) 5,803 (1378 MB/s) 1,244 27.29% regexdna::find_new_lines 1,887,325 (2693 MB/s) 14,818,233 (343 MB/s) 12,930,908 685.14% regexdna::subst1 963,089 (5278 MB/s) 896,790 (5668 MB/s) -66,299 -6.88% regexdna::subst10 968,221 (5250 MB/s) 957,325 (5310 MB/s) -10,896 -1.13% regexdna::subst11 961,661 (5286 MB/s) 917,248 (5542 MB/s) -44,413 -4.62% regexdna::subst2 956,430 (5314 MB/s) 892,129 (5698 MB/s) -64,301 -6.72% regexdna::subst3 961,204 (5288 MB/s) 929,250 (5470 MB/s) -31,954 -3.32% regexdna::subst4 961,897 (5284 MB/s) 872,581 (5825 MB/s) -89,316 -9.29% regexdna::subst5 953,412 (5331 MB/s) 875,804 (5804 MB/s) -77,608 -8.14% regexdna::subst6 962,362 (5282 MB/s) 884,639 (5746 MB/s) -77,723 -8.08% regexdna::subst7 961,694 (5285 MB/s) 872,791 (5824 MB/s) -88,903 -9.24% regexdna::subst8 963,230 (5277 MB/s) 873,833 (5817 MB/s) -89,397 -9.28% regexdna::subst9 960,246 (5293 MB/s) 886,744 (5732 MB/s) -73,502 -7.65% regexdna::variant1 15,553,281 (326 MB/s) 3,699,267 (1374 MB/s) -11,854,014 -76.22% regexdna::variant2 16,563,452 (306 MB/s) 6,760,952 (751 MB/s) -9,802,500 -59.18% regexdna::variant3 20,405,916 (249 MB/s) 8,030,646 (633 MB/s) -12,375,270 -60.65% regexdna::variant4 19,489,291 (260 MB/s) 8,077,290 (629 MB/s) -11,412,001 -58.56% regexdna::variant5 17,406,769 (292 MB/s) 6,787,242 (748 MB/s) -10,619,527 -61.01% regexdna::variant6 17,412,027 (291 MB/s) 6,577,777 (772 MB/s) -10,834,250 -62.22% regexdna::variant7 19,509,193 (260 MB/s) 6,705,580 (758 MB/s) -12,803,613 -65.63% regexdna::variant8 24,295,734 (209 MB/s) 6,818,785 (745 MB/s) -17,476,949 -71.93% regexdna::variant9 22,541,558 (225 MB/s) 6,821,453 (745 MB/s) -15,720,105 -69.74% sherlock::before_after_holmes 4,583,804 (129 MB/s) 1,029,866 (577 MB/s) -3,553,938 -77.53% sherlock::before_holmes 4,640,546 (128 MB/s) 76,633 (7763 MB/s) -4,563,913 -98.35% sherlock::holmes_cochar_watson 509,088 (1168 MB/s) 144,725 (4110 MB/s) -364,363 -71.57% sherlock::ing_suffix 1,865,631 (318 MB/s) 436,202 (1363 MB/s) -1,429,429 -76.62% sherlock::ing_suffix_limited_space 4,922,883 (120 MB/s) 1,182,943 (502 MB/s) -3,739,940 -75.97% sherlock::letters 9,848,144 (60 MB/s) 24,390,452 (24 MB/s) 14,542,308 147.67% sherlock::letters_lower 9,723,642 (61 MB/s) 23,784,108 (25 MB/s) 14,060,466 144.60% sherlock::letters_upper 1,762,773 (337 MB/s) 1,993,838 (298 MB/s) 231,065 13.11% sherlock::line_boundary_sherlock_holmes 206,367 (2882 MB/s) 999,414 (595 MB/s) 793,047 384.29% sherlock::name_alt1 485,953 (1224 MB/s) 34,298 (17345 MB/s) -451,655 -92.94% sherlock::name_alt2 483,813 (1229 MB/s) 124,226 (4789 MB/s) -359,587 -74.32% sherlock::name_alt3 903,013 (658 MB/s) 137,742 (4319 MB/s) -765,271 -84.75% sherlock::name_alt3_nocase 2,993,633 (198 MB/s) 1,293,763 (459 MB/s) -1,699,870 -56.78% sherlock::name_alt4 78,831 (7546 MB/s) 164,900 (3607 MB/s) 86,069 109.18% sherlock::name_alt4_nocase 1,647,202 (361 MB/s) 235,023 (2531 MB/s) -1,412,179 -85.73% sherlock::name_alt5 678,798 (876 MB/s) 127,928 (4650 MB/s) -550,870 -81.15% sherlock::name_alt5_nocase 1,792,461 (331 MB/s) 659,591 (901 MB/s) -1,132,870 -63.20% sherlock::name_holmes 406,138 (1464 MB/s) 40,902 (14545 MB/s) -365,236 -89.93% sherlock::name_holmes_nocase 517,884 (1148 MB/s) 198,658 (2994 MB/s) -319,226 -61.64% sherlock::name_sherlock 282,357 (2107 MB/s) 68,924 (8631 MB/s) -213,433 -75.59% sherlock::name_sherlock_holmes 207,894 (2861 MB/s) 31,640 (18803 MB/s) -176,254 -84.78% sherlock::name_sherlock_holmes_nocase 1,122,583 (529 MB/s) 173,522 (3428 MB/s) -949,061 -84.54% sherlock::name_sherlock_nocase 1,092,252 (544 MB/s) 170,888 (3481 MB/s) -921,364 -84.35% sherlock::name_whitespace 280,360 (2122 MB/s) 84,314 (7056 MB/s) -196,046 -69.93% sherlock::no_match_common 436,303 (1363 MB/s) 20,727 (28703 MB/s) -415,576 -95.25% sherlock::no_match_really_common 417,686 (1424 MB/s) 381,476 (1559 MB/s) -36,210 -8.67% sherlock::no_match_uncommon 28,504 (20871 MB/s) 20,786 (28621 MB/s) -7,718 -27.08% sherlock::quotes 541,513 (1098 MB/s) 531,487 (1119 MB/s) -10,026 -1.85% sherlock::repeated_class_negation 5,489,721 (108 MB/s) 85,881,944 (6 MB/s) 80,392,223 1464.41% sherlock::the_lower 680,710 (873 MB/s) 654,110 (909 MB/s) -26,600 -3.91% sherlock::the_nocase 737,040 (807 MB/s) 474,456 (1253 MB/s) -262,584 -35.63% sherlock::the_upper 50,026 (11892 MB/s) 43,746 (13599 MB/s) -6,280 -12.55% sherlock::the_whitespace 885,922 (671 MB/s) 1,181,974 (503 MB/s) 296,052 33.42% sherlock::word_ending_n 5,424,773 (109 MB/s) 1,925,578 (308 MB/s) -3,499,195 -64.50% sherlock::words 5,753,231 (103 MB/s) 9,697,201 (61 MB/s) 3,943,970 68.55%