On Thu, 2017-04-20 at 20:55 +0300, Leon Romanovsky wrote:
> From: yonatanc <yonatanc@xxxxxxxxxxxx>
>
> Use CPU ability to perform CRC calculations, by
> replacing direct calls to crc32_le() with crypto_shash_updata().
>
> The overall performance gain measured with ib_send_bw tool is 10% and
> it
> was tested on "Intel CPU ES-2660 v2 @ 2.20Ghz" CPU.
>
> ib_send_bw -d rxe0 -x 1 -n 9000 -e -s $((1024 * 1024 )) -l 100
>
> -------------------------------------------------------------------
> --------------------------
> | | bytes | iterations | BW peak[MB/sec] | BW
> average[MB/sec] | MsgRate[Mpps] |
> -------------------------------------------------------------------
> --------------------------
> | crc32_le | 1048576 | 9000 | inf |
> 497.60 | 0.000498 |
> | CRC offload | 1048576 | 9000 | inf |
> 546.70 | 0.000547 |
> -------------------------------------------------------------------
> --------------------------
>
> Fixes: 8700e3e7c485 ("Soft RoCE driver")
> Signed-off-by: Yonatan Cohen <yonatanc@xxxxxxxxxxxx>
> Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
Series applied, thanks.
--
Doug Ledford <dledford@xxxxxxxxxx>
GPG KeyID: B826A3330E572FDD
Key fingerprint = AE6B 1BDA 122B 23B4 265B 1274 B826 A333 0E57 2FDD
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