On Fri, Feb 07, 2014 at 10:42:14AM +0100, Ard Biesheuvel wrote: > > Another example is bit sliced AES like the implementation in > arch/arm/crypto. It is 45% faster than the ordinary ARM asm > implementation, but its natural chunk size is 8 blocks. Passing fewer > blocks hurts performance, while passing more blocks does not give any > additional benefit at all. > > So in many cases, it would be good to know the preferred chunk size of > an algorithm.
So are there cases where passing more blocks hurt the performance or not? Cheers, -- Email: Herbert Xu <herb...@gondor.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-crypto" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
