Antoine Pitrou <pit...@free.fr> added the comment:

64-bit Linux, Intel Core i5 2500K:

                                          3.2           3.3             patched

utf-8     'A'*10000                       2550 (+198%)  6828 (+11%)     7607
utf-8         'A'*9999+'\x80'             2501 (+118%)  2415 (+126%)    5456
utf-8         'A'*9999+'\u0100'           2501 (-20%)   2297 (-13%)     1996
utf-8         'A'*9999+'\u8000'           2494 (-14%)   2291 (-7%)      2133
utf-8         'A'*9999+'\U00010000'       2494 (-11%)   2293 (-3%)      2219
utf-8     '\x80'*10000                    422 (+135%)   517 (+92%)      991
utf-8       '\x80'+'A'*9999               2513 (+12%)   860 (+228%)     2820
utf-8         '\x80'*9999+'\u0100'        426 (+102%)   525 (+64%)      862
utf-8         '\x80'*9999+'\u8000'        426 (+104%)   538 (+62%)      871
utf-8         '\x80'*9999+'\U00010000'    428 (+105%)   523 (+68%)      878
utf-8     '\u0100'*10000                  425 (+140%)   517 (+97%)      1019
utf-8       '\u0100'+'A'*9999             2488 (+2%)    820 (+211%)     2549
utf-8       '\u0100'+'\x80'*9999          426 (+139%)   517 (+97%)      1019
utf-8         '\u0100'*9999+'\u8000'      426 (+139%)   529 (+93%)      1019
utf-8         '\u0100'*9999+'\U00010000'  426 (+106%)   509 (+72%)      876
utf-8     '\u8000'*10000                  573 (+28%)    490 (+50%)      733
utf-8       '\u8000'+'A'*9999             2500 (+1%)    822 (+208%)     2528
utf-8       '\u8000'+'\x80'*9999          426 (+139%)   530 (+92%)      1018
utf-8       '\u8000'+'\u0100'*9999        428 (+138%)   509 (+100%)     1018
utf-8         '\u8000'*9999+'\U00010000'  573 (+17%)    447 (+51%)      673
utf-8     '\U00010000'*10000              562 (+24%)    552 (+26%)      696
utf-8       '\U00010000'+'A'*9999         2512 (+3%)    939 (+175%)     2584
utf-8       '\U00010000'+'\x80'*9999      423 (+140%)   553 (+84%)      1017
utf-8       '\U00010000'+'\u0100'*9999    426 (+139%)   549 (+85%)      1017
utf-8       '\U00010000'+'\u8000'*9999    572 (+18%)    479 (+41%)      674

----------

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue14738>
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