Re: [eigen] Updating the Benchmarks

[Benoit Jacob <jacob.benoit.1@xxxxxxxxx>]

Since we require LaTeX anyway for the docs, we may as well go through
PS for the conversion. So we could do pdf2ps and then I'm sure there
must be a ps2png tool.

Benoit

2011/1/31 Gael Guennebaud <gael.guennebaud@xxxxxxxxx>:
> I agree with Benoit, some of your results look weird. You should
> install an optimized package or re-build or remove it.
>
> Regarding the quality of the plots, yes I know the png files looks
> very bad. Looks like the png renderer of gnuplot is very bad. Perhaps
> one option would be to generate the png versions from the pdf files
> using imagemagick if it is installed. I'll see what I can do.
>
>
> gael
>
>
> On Sun, Jan 30, 2011 at 2:23 AM, Benoit Jacob <jacob.benoit.1@xxxxxxxxx> wrote:
>> Last spam, I promise -- but the dotted/dashed lines seem to
>> consistently render poorly, so maybe we should only use solid lines?
>>
>> And why the gray background? Just use a white background!
>>
>> Benoit
>>
>> 2011/1/29 Benoit Jacob <jacob.benoit.1@xxxxxxxxx>:
>>> Unrelated remark, can we please use a better set of colors for the
>>> curves? Especially for Goto, the gray dots are looking bad, and let's
>>> reserve gray/black colors for ourselves (eigen3 and eigen3_novec).
>>>
>>> Benoit
>>>
>>> 2011/1/29 Benoit Jacob <jacob.benoit.1@xxxxxxxxx>:
>>>> 2011/1/29 Benoit Jacob <jacob.benoit.1@xxxxxxxxx>:
>>>>> 2011/1/29 Milian Wolff <mail@xxxxxxxxxx>:
>>>>>> Gael Guennebaud, 26.01.2011:
>>>>>>> btw, if you plane to bench matrix size up to 9000x9000, make sure you
>>>>>>> disable the non optimized libraries like GMM, ublas, blitz, etc.
>>>>>>> because they will take forever. Also make sure you disable the result
>>>>>>> verifications when running the tests (BTL_CONFIG="--nocheck).
>>>>>>>
>>>>>>>
>>>>>>> BLAS and lapack libs are very very painful regarding
>>>>>>> configuration/linking Depending on how the libs have been generated
>>>>>>> you might need very different settings. That's why you have these
>>>>>>> trouble. That's also a non negligible advantage of Eigen.
>>>>>>
>>>>>> http://users.physik.fu-berlin.de/~milianw/eigen/bench-eigen3/i7/
>>>>>>
>>>>>> I've finally done the benchmarks on my i7 machine. Should I add that to the
>>>>>> wiki?
>>>>>
>>>>> this is great, thanks!
>>>>>
>>>>> but wait... we /beat/ intel MKL???
>>>>>
>>>>> http://users.physik.fu-berlin.de/~milianw/eigen/bench-eigen3/i7/matrix_matrix.png
>>>>>
>>>>> this is awesome but... we need to triple-check this before we publish.
>>>>>
>>>>> MKL and GOTO are normally very close to each other, and close to the
>>>>> theoretical maximum. In your results, MKL does surprisingly poorly.
>>>>>
>>>>> Is there something wrong in your MKL setup?
>>>>
>>>> And, same thing about ATLAS. Earlier this year, we were head-to-head
>>>> with ATLAS. Why is it performing so poorly on your setup? Why is it
>>>> performing exactly like eigen3_novec? Is your ATLAS built without SSE
>>>> support?
>>>>
>>>> Benoit
>>>>
>>>>
>>>>>
>>>>> Benoit
>>>>>
>>>>>>
>>>>>> Bye
>>>>>> --
>>>>>> Milian Wolff
>>>>>> mail@xxxxxxxxxx
>>>>>> http://milianw.de
>>>>>>
>>>>>
>>>>
>>>
>>
>>
>>
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