>perl -v This is perl, v5.8.8 built for MSWin32-x86-multi-thread (with 25 registered patches, see perl -V for more detail) ... Binary build 817 [257965] provided by ActiveState http://www.ActiveState.com Built Mar 20 2006 17:54:25 ... >perl script.pl 3 -3 Compilation tests shash: Compiles ok if: Compiles ok ihash: Compiles ok re: Compiles ok Benchmarking no matches shash: Runs ok if: Runs ok ihash: Runs ok re: Runs ok Rate ihash re if shash ihash 328339/s -- -79% -81% -86% re 1557274/s 374% -- -10% -33% if 1738308/s 429% 12% -- -25% shash 2307394/s 603% 48% 33% -- Rate ihash re if shash ihash 341005/s -- -77% -81% -84% re 1508921/s 342% -- -16% -30% if 1795368/s 426% 19% -- -16% shash 2142666/s 528% 42% 19% -- Rate ihash re if shash ihash 334628/s -- -78% -81% -86% re 1508564/s 351% -- -15% -37% if 1778965/s 432% 18% -- -26% shash 2405841/s 619% 59% 35% -- Benchmarking match A shash: Runs ok if: Runs ok ihash: Runs ok re: Runs ok Rate ihash re shash if ihash 333900/s -- -78% -83% -88% re 1532032/s 359% -- -21% -43% shash 1946689/s 483% 27% -- -28% if 2707780/s 711% 77% 39% -- Rate ihash re shash if ihash 323524/s -- -80% -84% -88% re 1602110/s 395% -- -19% -42% shash 1990024/s 515% 24% -- -28% if 2771856/s 757% 73% 39% -- Rate ihash re shash if ihash 337866/s -- -79% -83% -87% re 1628208/s 382% -- -17% -36% shash 1970859/s 483% 21% -- -23% if 2543785/s 653% 56% 29% -- Benchmarking match B shash: Runs ok if: Runs ok ihash: Runs ok re: Runs ok Rate ihash re shash if ihash 324969/s -- -78% -84% -84% re 1473476/s 353% -- -26% -28% shash 2004671/s 517% 36% -- -2% if 2053900/s 532% 39% 2% -- Rate ihash re shash if ihash 335927/s -- -78% -83% -84% re 1520882/s 353% -- -25% -28% shash 2020630/s 502% 33% -- -4% if 2100467/s 525% 38% 4% -- Rate ihash re if shash ihash 323473/s -- -78% -84% -84% re 1438394/s 345% -- -29% -30% if 2022373/s 525% 41% -- -1% shash 2045609/s 532% 42% 1% -- Benchmarking match C shash: Runs ok if: Runs ok ihash: Runs ok re: Runs ok Rate ihash re if shash ihash 335514/s -- -76% -81% -83% re 1392243/s 315% -- -20% -28% if 1744756/s 420% 25% -- -9% shash 1920959/s 473% 38% 10% -- Rate ihash re if shash ihash 329957/s -- -77% -81% -82% re 1413031/s 328% -- -17% -23% if 1707320/s 417% 21% -- -7% shash 1834897/s 456% 30% 7% -- Rate ihash re if shash ihash 335803/s -- -77% -81% -83% re 1452770/s 333% -- -17% -26% if 1747118/s 420% 20% -- -11% shash 1967719/s 486% 35% 13% --