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On Wed, Nov 17, 2010 at 02:18:50PM -0500, Mike Tancsa wrote:
> On 11/17/2010 11:35 AM, Kostik Belousov wrote:
> > Meantime, the similar change may be beneficial for padlock(4) too.
> > f you are going to test it, please note that most likely, openssl padlo=
ck
> > engine does not use padlock(4), I do not know for sure.
> >=20
> > diff --git a/sys/crypto/via/padlock.c b/sys/crypto/via/padlock.c
> > index 77e059b..ba63093 100644
> > --- a/sys/crypto/via/padlock.c
> > +++ b/sys/crypto/via/padlock.c
>=20
> Patch applied cleanly
>=20
>=20
> Full results at the bottom of
> http://www.tancsa.com/fpu.html
>=20
> On large blocks, version 1 vs the above patch show no significant
> difference. This is with openssl using the cryptodev engine. I also
> compared to the openssl padlock engine which gave interesting results!
>=20
>=20
>=20
> 0(via)# cat version1.txt | sed -e 's/k//g' | awk '{print $6}' > 1
> 0(via)# cat version2.txt | sed -e 's/k//g' | awk '{print $6}' > 2
> 0(via)# ministat 1 2
> x 1
> + 2
> N Min Max Median Avg Stdd=
ev
> x 30 2591851.6 6645345.1 4326340.6 4227917.6 1083181=
..2
> + 30 2574883.9 8830282.8 4033610.4 4241195.6 1519334=
..8
> No difference proven at 95.0% confidence
>=20
> 0(via)# cat version1.txt | sed -e 's/k//g' | awk '{print $5}' > 1
> 0(via)# cat version2.txt | sed -e 's/k//g' | awk '{print $5}' > 2
> 0(via)# ministat 1 2
> N Min Max Median Avg Stdd=
ev
> x 30 1124673.3 2320883.7 1527677.1 1550631.9 295165=
..4
> + 30 1069788.2 2508865.7 1594506.2 1588193.2 389414.=
33
> No difference proven at 95.0% confidence
> 0(via)#
>=20
Thank you once more.
If nothing new pops up, I will commit the MFC tomorrow.
Unfortunately, no suspend/resume testers appeared, so be it.
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