Alexey Suslikov <alexey.susli...@gmail.com> wrote: > Can OpenBSD use SSE4.2 CRC32 (found on Core i7) to speedup > TCP/IP checksum calculations?
TCP, UDP, and IPv4 checksums are simple sums and don't involve CRCs. Also, the SSE4.2 CRC32 instruction uses the Castagnoli polynomial, which is different from the more commonly used Ethernet CRC32. -- Christian "naddy" Weisgerber na...@mips.inka.de
