Comment 0 for bug 1188010

Revision history for this message
XiongZhang (xiong-y-zhang) wrote :

The current CRC-T10DIF checksum is computed using a table lookup. By using PCLMULQDQ and SSE instructions available in Sandy
Bridge and later CPUs, the checksum computation speed can be sped up by 8x and more, improving the throughput for Solid State Drive and also new NVM express products.

Upstream schedule: kernel 3.11