On Thu, 2013-01-10 at 18:54 +0400, Alexander Boyko wrote: > From: Alexander Boyko <alexander_boyko@xxxxxxxxxxx> > > This patch adds crc32 algorithms to shash crypto api. One is wrapper to > gerneric crc32_le function. Second is crc32 pclmulqdq implementation. It > use hardware provided PCLMULQDQ instruction to accelerate the CRC32 disposal. > This instruction present from Intel Westmere and AMD Bulldozer CPUs. > > For intel core i5 I got 450MB/s for table implementation and 2100MB/s > for pclmulqdq implementation ( Alexander, Wonder if you have a chance to test performance of our PCLMULQDQ implementation for crc32c that's in the current code (see crc32c-pcl-intel-asm_64.asm). The throughput will probably be comparable with your implementation. Tim -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
