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@BeRo1985
Created August 30, 2015 07:17
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FLRE benchmark
Applied on http://www.gutenberg.org/files/3200/old/mtent12.txt at a whole-
file-loaded-into-the-RAM-base on a desktop computer with a Intel Xeon
E3-1245v2 CPU and 16GB (2x8GB) DDR3-1600 unbuffered ECC RAM under Windows
8.1
Time | Match count
==============================================================================
FLRE:
/Twain/ : 16 ms | 2388
/(?i)Twain/ : 0 ms | 2657
/[a-z]shing/ : 16 ms | 1877
/Huck[a-zA-Z]+|Saw[a-zA-Z]+/ : 15 ms | 396
/\b\w+nn\b/ : 360 ms | 359
/[a-q][^u-z]{13}x/ : 109 ms | 4878
/Tom|Sawyer|Huckleberry|Finn/ : 31 ms | 3015
/(?i)Tom|Sawyer|Huckleberry|Finn/ : 32 ms | 4820
/.{0,2}(Tom|Sawyer|Huckleberry|Finn)/ : 250 ms | 3015
/.{2,4}(Tom|Sawyer|Huckleberry|Finn)/ : 312 ms | 2220
/Tom.{10,25}river|river.{10,25}Tom/ : 63 ms | 2
/[a-zA-Z]+ing/ : 296 ms | 95863
/[a-zA-Z]{0,12}ing/ : 360 ms | 96169
/([A-Za-z]awyer|[A-Za-z]inn)\s/ : 15 ms | 313
/["'][^"']{0,30}[?!\.]["']/ : 63 ms | 9793
==============================================================================
PCRE 8.21 (DFA mode off):
/Twain/ : 16 ms | 2388
/(?i)Twain/ : 78 ms | 2657
/[a-z]shing/ : 422 ms | 1877
/Huck[a-zA-Z]+|Saw[a-zA-Z]+/ : 31 ms | 396
/\b\w+nn\b/ : 625 ms | 359
/[a-q][^u-z]{13}x/ : 594 ms | 4878
/Tom|Sawyer|Huckleberry|Finn/ : 31 ms | 3015
/(?i)Tom|Sawyer|Huckleberry|Finn/ : 312 ms | 4820
/.{0,2}(Tom|Sawyer|Huckleberry|Finn)/ : 3969 ms | 3015
/.{2,4}(Tom|Sawyer|Huckleberry|Finn)/ : 4156 ms | 2220
/Tom.{10,25}river|river.{10,25}Tom/ : 63 ms | 2
/[a-zA-Z]+ing/ : 1000 ms | 95863
/[a-zA-Z]{0,12}ing/ : 1156 ms | 96169
/([A-Za-z]awyer|[A-Za-z]inn)\s/ : 891 ms | 313
/["'][^"']{0,30}[?!\.]["']/ : 62 ms | 9793
==============================================================================
PCRE 8.21 (DFA mode on):
/Twain/ : 31 ms | 2388
/(?i)Twain/ : 110 ms | 2657
/[a-z]shing/ : 890 ms | 1877
/Huck[a-zA-Z]+|Saw[a-zA-Z]+/ : 32 ms | 396
/\b\w+nn\b/ : 1281 ms | 359
/[a-q][^u-z]{13}x/ : 2391 ms | 4878
/Tom|Sawyer|Huckleberry|Finn/ : 31 ms | 3015
/(?i)Tom|Sawyer|Huckleberry|Finn/ : 422 ms | 4820
/.{0,2}(Tom|Sawyer|Huckleberry|Finn)/ : 4531 ms | 3015
/.{2,4}(Tom|Sawyer|Huckleberry|Finn)/ : 5953 ms | 2220
/Tom.{10,25}river|river.{10,25}Tom/ : 78 ms | 2
/[a-zA-Z]+ing/ : 1969 ms | 95863
/[a-zA-Z]{0,12}ing/ : 2281 ms | 96169
/([A-Za-z]awyer|[A-Za-z]inn)\s/ : 1344 ms | 313
/["'][^"']{0,30}[?!\.]["']/ : 125 ms | 9793
==============================================================================
regex.pp:
/Twain/ : 16 ms | 2388
/(?i)Twain/ : 656 ms | 2657
/[a-z]shing/ : 1047 ms | 1877
/Huck[a-zA-Z]+|Saw[a-zA-Z]+/ : 828 ms | 396
/\b\w+nn\b/ : 547 ms | 0
/[a-q][^u-z]{13}x/ : 2312 ms | 4878
/Tom|Sawyer|Huckleberry|Finn/ : 1828 ms | 3015
/(?i)Tom|Sawyer|Huckleberry|Finn/ : 2094 ms | 4820
/.{0,2}(Tom|Sawyer|Huckleberry|Finn)/ : 15766 ms | 0
/.{2,4}(Tom|Sawyer|Huckleberry|Finn)/ : 6781 ms | 2220
/Tom.{10,25}river|river.{10,25}Tom/ : 859 ms | 2
/[a-zA-Z]+ing/ : 2313 ms | 95863
/[a-zA-Z]{0,12}ing/ : 2047 ms | 0
/([A-Za-z]awyer|[A-Za-z]inn)\s/ : 1500 ms | 289
/["'][^"']{0,30}[?!\.]["']/ : 968 ms | 0
==============================================================================
RegExpr.pas:
/Twain/ : 34313 ms | 2388
/(?i)Twain/ : 38984 ms | 2657
/[a-z]shing/ : 28172 ms | 1877
/Huck[a-zA-Z]+|Saw[a-zA-Z]+/ : 6000 ms | 396
/\b\w+nn\b/ : 10297 ms | 359
/[a-q][^u-z]{13}x/ : 71484 ms | 4878
/Tom|Sawyer|Huckleberry|Finn/ : 43829 ms | 3015
/(?i)Tom|Sawyer|Huckleberry|Finn/ : 71984 ms | 4820
/.{0,2}(Tom|Sawyer|Huckleberry|Finn)/ : 57359 ms | 3015
/.{2,4}(Tom|Sawyer|Huckleberry|Finn)/ : 53391 ms | 2727
/Tom.{10,25}river|river.{10,25}Tom/ : 469 ms | 4
/[a-zA-Z]+ing/ : 1396078 ms | 95863
/[a-zA-Z]{0,12}ing/ : 1393969 ms | 96169
/([A-Za-z]awyer|[A-Za-z]inn)\s/ : 6750 ms | 313
/["'][^"']{0,30}[?!\.]["']/ : 143500 ms | 9793
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