Call for testers: FPU changes

[Kostik Belousov]

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 padlock
> > engine does not use padlock(4), I do not know for sure.
> > 
> > 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
> 
> Patch applied cleanly
> 
> 
> Full results at the bottom of
> http://www.tancsa.com/fpu.html
> 
> 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!
> 
> 
> 
> 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        Stddev
> 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
> 
> 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        Stddev
> 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)#
> 

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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