MAGMA 0.3 for Fermi and CUDA 3.2 RC2 results

[Allan Menezes]

Here are the results of Magma 0.3 for Fermi versus Cublas 3.2 RC2 on a GTX-480:

Code: Select all

This are MAGMA 0.3 DGEMM and SGEMM Routines for Fermi GPUs.
In this version matrix sizes have to be divisible by 64


Usage:
		./testing_dgemm N

    N	magmablas0.3 GFLops/s	cudablas-3.2 GFlops/s    error
==========================================================================
  512        130.18208              127.70478         0.000000e+00
 1088        153.85420              153.24094         0.000000e+00
 1664        157.40103              156.64116         0.000000e+00
 2240        160.20845              159.43350         0.000000e+00
 2816        159.83791              159.06029         0.000000e+00
 3392        163.98298              164.37494         0.000000e+00
 3968        164.20745              164.60266         0.000000e+00
 4544        164.12606              164.75651         0.000000e+00
 5120        164.55581              165.02481         0.000000e+00
 5696        164.41005              164.91638         0.000000e+00
 6272        164.49734              165.06085         0.000000e+00
 6848        164.47954              165.15991         0.000000e+00
 7424        164.53056              165.10375         0.000000e+00

This is a MAGMA 0.3 SGEMM Routine for Fermi GPUs.
In this version sizes have to be divisible by 96.


Usage:
		./testing_sgemm N

    N	magmablas0.3 GFLops/s	cudablas-3.2 GFlops/s    error
==================================================================
  864        665.26307              702.20201         0.000000e+00
 1440        801.71406              824.51581         0.000000e+00
 2016        794.79485              814.87221         0.000000e+00
 2592        817.72439              832.54093         0.000000e+00
 3168        824.51008              836.61608         0.000000e+00
 3744        825.33249              837.03466         0.000000e+00
 4320        832.99221              842.95151         0.000000e+00
 4896        830.81927              840.00669         0.000000e+00
 5472        833.72471              842.49372         0.000000e+00
 6048        834.53324              842.74165         0.000000e+00
 6624        834.80414              842.60437         0.000000e+00
 7200        837.26658              844.44771         0.000000e+00
 7776        836.65414              843.91701         0.000000e+00
 8352        837.34876              844.12340         0.000000e+00

So for sgemm the perfomance of the gtx-480 is now better for culas-3.2 rc2.
Allan

[Stan Tomov]

Alan,
Thanks for posting these results. The gemms in CUBLAS 3.2 for Fermi are
based on the MAGMA 0.3 Fermi gemms. That's excellent it is out now.
Stan