| Re: [eigen] Updating the Benchmarks |
[ Thread Index |
Date Index
| More lists.tuxfamily.org/eigen Archives
]
- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] Updating the Benchmarks
- From: Benoit Jacob <jacob.benoit.1@xxxxxxxxx>
- Date: Sat, 29 Jan 2011 20:21:54 -0500
- Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; bh=YoWhE6zgP+LJ72r0VJIgDMGMksWhKsJxbik8f0JEqds=; b=OEs7CTyS6lbg76aPyUaAerOurIePDeFZrwLnCyaWYQuyqh082zD3l5ZunErJeZm7l+ MjWDBko4oNKua2cIAARry8HgbiQ52gNYXYertWjuziXxUvPA+oGX7DjwLxhW0KvEcgHJ /ANksCO4MGA3jR2wlmcLt/3y11fRwDrKqrX0k=
- Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=OUQLsm+TlNfPEMHqANr7cgI2qME2QK8Nsz09CNFIWqKvYTI57nmkSmcab1PwnWzDO6 WGJfU1YY5JUuhG9KZ0EYnUqUQBVTOduIwYu9VRoyWT5k9L34GJmmPbPpYAo0yj7cN8vN LMHqPrDlVa8TW2DOGzIm1uqQanvDJOcjfwBTc=
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
>>>
>>
>