Antoine Pitrou <[email protected]> added the comment:
New performance figures under 64 bit Linux, Intel Core i5-2500K @ 3.30GHz:
vanilla 3.3 patched
utf-16le 'A'*10000 1411 (+290%) 5504
utf-16le 'A'*9999+'\x80' 1368 (+263%) 4970
utf-16le 'A'*9999+'\u0100' 1145 (+151%) 2871
utf-16le 'A'*9999+'\u8000' 1144 (+151%) 2870
utf-16le 'A'*9999+'\U00010000' 1164 (+154%) 2957
utf-16le '\x80'*10000 1403 (+271%) 5209
utf-16le '\x80'+'A'*9999 1406 (+272%) 5235
utf-16le '\x80'*9999+'\u0100' 1138 (+138%) 2713
utf-16le '\x80'*9999+'\u8000' 1138 (+139%) 2716
utf-16le '\x80'*9999+'\U00010000' 1155 (+151%) 2897
utf-16le '\u0100'*10000 1477 (+243%) 5062
utf-16le '\u0100'+'A'*9999 1478 (+243%) 5072
utf-16le '\u0100'+'\x80'*9999 1477 (+243%) 5062
utf-16le '\u0100'*9999+'\u8000' 1478 (+242%) 5055
utf-16le '\u0100'*9999+'\U00010000' 1201 (+131%) 2776
utf-16le '\u8000'*10000 246 (+347%) 1100
utf-16le '\u8000'+'A'*9999 1475 (+244%) 5069
utf-16le '\u8000'+'\x80'*9999 1474 (+243%) 5062
utf-16le '\u8000'+'\u0100'*9999 1473 (+243%) 5057
utf-16le '\u8000'*9999+'\U00010000' 236 (+295%) 932
utf-16le '\U00010000'*10000 393 (+164%) 1039
utf-16le '\U00010000'+'A'*9999 1325 (+134%) 3106
utf-16le '\U00010000'+'\x80'*9999 1326 (+134%) 3103
utf-16le '\U00010000'+'\u0100'*9999 1326 (+134%) 3104
utf-16le '\U00010000'+'\u8000'*9999 253 (+331%) 1091
utf-16be 'A'*10000 1341 (+298%) 5342
utf-16be 'A'*9999+'\x80' 1305 (+275%) 4888
utf-16be 'A'*9999+'\u0100' 1101 (+157%) 2834
utf-16be 'A'*9999+'\u8000' 1102 (+157%) 2831
utf-16be 'A'*9999+'\U00010000' 1115 (+162%) 2917
utf-16be '\x80'*10000 1326 (+296%) 5253
utf-16be '\x80'+'A'*9999 1322 (+298%) 5258
utf-16be '\x80'*9999+'\u0100' 1088 (+156%) 2781
utf-16be '\x80'*9999+'\u8000' 1088 (+155%) 2770
utf-16be '\x80'*9999+'\U00010000' 1103 (+159%) 2854
utf-16be '\u0100'*10000 1344 (+221%) 4308
utf-16be '\u0100'+'A'*9999 1342 (+223%) 4330
utf-16be '\u0100'+'\x80'*9999 1343 (+221%) 4307
utf-16be '\u0100'*9999+'\u8000' 1343 (+221%) 4306
utf-16be '\u0100'*9999+'\U00010000' 1109 (+128%) 2529
utf-16be '\u8000'*10000 248 (+341%) 1094
utf-16be '\u8000'+'A'*9999 1340 (+223%) 4331
utf-16be '\u8000'+'\x80'*9999 1341 (+221%) 4307
utf-16be '\u8000'+'\u0100'*9999 1341 (+221%) 4309
utf-16be '\u8000'*9999+'\U00010000' 239 (+290%) 931
utf-16be '\U00010000'*10000 399 (+160%) 1037
utf-16be '\U00010000'+'A'*9999 1230 (+152%) 3101
utf-16be '\U00010000'+'\x80'*9999 1218 (+154%) 3095
utf-16be '\U00010000'+'\u0100'*9999 1220 (+154%) 3095
utf-16be '\U00010000'+'\u8000'*9999 257 (+318%) 1074
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Python tracker <[email protected]>
<http://bugs.python.org/issue14624>
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