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SubjectRe: comparison of the AF_ALG interface with the /dev/crypto
Phil Sutter <phil@nwl.cc> wrote:
>
> chunksize af_alg cryptodev (100 * cryptodev / af_alg)
> --------------------------------------------------------------------------
> 512 4.169 MB/s 7.113 MB/s 171 %
> 1024 7.904 MB/s 12.957 MB/s 164 %
> 2048 13.163 MB/s 19.683 MB/s 150 %
> 4096 20.218 MB/s 26.960 MB/s 133 %
> 8192 27.539 MB/s 34.373 MB/s 125 %
> 16384 33.730 MB/s 39.997 MB/s 119 %
> 32768 37.399 MB/s 42.727 MB/s 114 %
> 65536 40.004 MB/s 44.660 MB/s 112 %

Are you maxing out your submission CPU? If not then you're testing
the latency of the interface, as opposed to the throughput.

Cheers,
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt


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