Messages in this thread | | | Date | Tue, 30 Oct 2007 15:17:54 +0100 | From | Jens Axboe <> | Subject | Re: [PATCH 1/2] [CRYPTO] tcrypt: Move sg_init_table out of timing loops |
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On Tue, Oct 30 2007, Herbert Xu wrote: > On Tue, Oct 30, 2007 at 06:50:58AM +0100, Jens Axboe wrote: > > > > How so? The reason you changed it to sg_init_table() + sg_set_buf() is > > exactly because sg_init_one() didn't properly init the entry (as they > > name promised). > > For one of the cases yes but the other one repeatedly calls > sg_init_one on the same sg entry while we really only need > to initialise it once and call sg_set_buf afterwards. > > Normally this is irrelevant but the loops in question are > trying to estimate the speed of the algorithms so it's good > to exclude as much noise from them as possible.
Ah OK, I was referring to the replacement mentioned above.
-- Jens Axboe
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