Исходное сообщение
"Выпуск криптографической библиотеки Libgcrypt 1.7.0 " Отправлено Нимано, 16-Апр-16 23:09
>> -  Вычисление CRC на системах x86 ускорено в 11 раз; > Резервы x86, или...? И раз: http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=co... > More optimized CRC implementations > Patch adds more optimized CRC implementations generated with universal_crc > tool by Danjel McGougan: http://www.mcgougan.se/universal_crc/ ---------------------------------- Sat, 2 May 2015 21:34:34 +0000 (00:34 +0300) Before: CRC32          |      2.52 ns/B     378.3 MiB/s      8.07 c/B CRC32RFC1510   |      2.52 ns/B     378.1 MiB/s      8.07 c/B CRC24RFC2440   |     46.62 ns/B     20.46 MiB/s     149.2 c/B After: CRC32          |     0.918 ns/B    1039.3 MiB/s      2.94 c/B CRC32RFC1510   |     0.918 ns/B    1039.0 MiB/s      2.94 c/B CRC24RFC2440   |     0.918 ns/B    1039.4 MiB/s      2.94 c/B -------------------------------- И два: http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=co... > Add Intel PCLMUL implementations of CRC algorithms -------------------------------- Sat, 12 Mar 2016 15:16:41 +0000 (17:16 +0200) Benchmark on Intel Core i5-4570 (x86_64, 3.2 Ghz): Before:                  |  nanosecs/byte   mebibytes/sec   cycles/byte   CRC32          |     0.865 ns/B    1103.0 MiB/s      2.77 c/B   CRC32RFC1510   |     0.865 ns/B    1102.7 MiB/s      2.77 c/B   CRC24RFC2440   |     0.865 ns/B    1103.0 MiB/s      2.77 c/B After:                  |  nanosecs/byte   mebibytes/sec   cycles/byte   CRC32          |     0.079 ns/B   12051.7 MiB/s     0.253 c/B   CRC32RFC1510   |     0.079 ns/B   12050.6 MiB/s     0.253 c/B   CRC24RFC2440   |     0.079 ns/B   12100.0 MiB/s     0.252 c/B ---------------------------------