Which crc32 polynomial is being used? crc32c (a.k.a. Castagnoli)? It would be great if this were the same polynomial that Intel implements in hardware via SSE4.2. On Feb 5, 2012, at 9:48 PM, Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx> wrote: > An experiment with -O3 is done on Intel D510@1.66GHz. At around 250k > entries, index reading time exceeds 0.5s. Switching to crc32 brings it > back lower than 0.2s. > > On 4M files index, reading time with SHA-1 takes ~8.4, crc32 2.8s. -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html