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Date: Thu, 1 Sep 2011 22:14:45 +0800 From: Herbert Xu <herbert@...dor.apana.org.au> To: Phil Sutter <phil@....cc> Cc: nmav@...tls.org, cryptodev-linux-devel@....org, linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: comparison of the AF_ALG interface with the /dev/crypto Phil Sutter <phil@....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@...dor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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