On 03/04/2014 03:54 PM, Julien Pierre wrote:
> Did anyone ever write a script that measures the performance of all
> the low-level algorithms in freebl, and collects the data in a way
> that's easy to compare ? This would probably be using bltest.
> This is for the purpose of evaluating different compilers/optimization
> options.
> If so, sharing would be much appreciated.
>
Nelson did. They are under the nss/tests/ciphers. It uses bltest. I
believe it was turned off because bltest couldn't handle the corner case
of leading zeros in RSA operations, which lead to periodic failures of
the tests, but you can still run performance.sh yourself. I used it to
test the performance of the AES-NI code when it was added.

bob

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