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time tests

Kulakov, Igor [please enable javascript to see the address]
Fri Aug 16 14:25:15 CEST 2013


Hi

> I have a set of benchmarks in the vc-benchmarks Subproject. You can find it on 
> code.compeng.
> Note that I have only used it with Vc 0.7 - not the 1.0 development branch.
How to get them?

I tried:

[14:19:19]~/Vc$ git clone https://code.compeng.uni-frankfurt.de/vc/vc-benchmarks.git benchmarks
Cloning into 'benchmarks'...
error: server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none while accessing https://code.compeng.uni-frankfurt.de/vc/vc-benchmarks.git/info/refs

or

git clone git://code.compeng.uni-frankfurt.de/vc/vc-benchmarks.git benchmarks
Cloning into 'benchmarks'...
fatal: remote error: access denied or repository not exported: /vc/vc-benchmarks.git

> CTest provides timing results from the unit tests. Those give a first 
> approximation.
You mean numbers in the last column?
For example the next lines means that see in average should be factor of 3 faster?

      Start 61: math_scalar
61/98 Test #61: math_scalar ........................................   Passed    3.56 sec
      Start 62: math_sse
62/98 Test #62: math_sse ...........................................   Passed    1.22 sec

Thanks,
Igor

On Aug 16, 2013, at 4:31 AM, Matthias Kretz wrote:

> Hi,
> 
> On Thursday 15 August 2013 21:59:27 Kulakov, Igor wrote:
>> You have a lot of tests which can be run after Vc installation. Do you have
>> a time-checking tests?
> 
> I have a set of benchmarks in the vc-benchmarks Subproject. You can find it on 
> code.compeng.
> Note that I have only used it with Vc 0.7 - not the 1.0 development branch.
> 
>> It would be really nice to have some standard tests, which can be used to
>> characterize Vc time performance on a specific systems. For example to
>> check whether system and environment are setup correctly with respect to
>> SIMD and Vc will perform optimally.
> 
> CTest provides timing results from the unit tests. Those give a first 
> approximation. Of course I sometimes modify those tests, so you have to know 
> that in order to make comparisons between different versions.
> 
> Regards,
> 	Matthias
> -- 
> Dipl.-Phys. Matthias Kretz
> 
> Web:   http://compeng.uni-frankfurt.de/?mkretz
> 
> SIMD easy and portable: http://compeng.uni-frankfurt.de/?vc
> 
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