[petsc-dev] [GPU] Performance of ex19

Keita Teranishi keita at cray.com
Tue Aug 31 14:05:05 CDT 2010


I am not sure what is wrong with that.  It is swinging between 3.5 and 3.9 Gflops.


From: petsc-dev-bounces at mcs.anl.gov [mailto:petsc-dev-bounces at mcs.anl.gov] On Behalf Of Barry Smith
Sent: Tuesday, August 31, 2010 2:03 PM
To: For users of the development version of PETSc
Subject: Re: [petsc-dev] [GPU] Performance of ex19


  Your MatMult is now slower. Are your results reproducible, if you run 5 times how similar are them?

   Barry

On Aug 31, 2010, at 2:57 PM, Keita Teranishi wrote:


VecDot                 2 1.0 0.0000e+00 0.0 0.00e+00 0.0 0.0e+00 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0     0
VecMDot             2024 1.0 1.1560e+00 1.0 2.54e+09 1.0 0.0e+00 0.0e+00 0.0e+00 18 29  0  0  0  32 29  0  0  0  2201
VecNorm             2096 1.0 3.5999e-01 1.0 1.68e+08 1.0 0.0e+00 0.0e+00 0.0e+00  6  2  0  0  0  10  2  0  0  0   466
VecScale            2092 1.0 2.1599e-01 1.0 8.37e+07 1.0 0.0e+00 0.0e+00 0.0e+00  3  1  0  0  0   6  1  0  0  0   387
VecCopy             2072 1.0 5.5997e-02 1.0 0.00e+00 0.0 0.0e+00 0.0e+00 0.0e+00  1  0  0  0  0   2  0  0  0  0     0
VecSet                70 1.0 8.0004e-03 1.0 0.00e+00 0.0 0.0e+00 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0     0
VecAXPY              108 1.0 2.7999e-02 1.0 8.64e+06 1.0 0.0e+00 0.0e+00 0.0e+00  0  0  0  0  0   1  0  0  0  0   309
VecWAXPY              68 1.0 7.9999e-03 1.0 2.72e+06 1.0 0.0e+00 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0   340
VecMAXPY            2092 1.0 5.8399e-01 1.0 2.71e+09 1.0 0.0e+00 0.0e+00 0.0e+00  9 31  0  0  0  16 31  0  0  0  4634
VecScatterBegin        5 1.0 4.0002e-03 1.0 0.00e+00 0.0 0.0e+00 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0     0
VecReduceArith         2 1.0 3.9999e-03 1.0 1.60e+05 1.0 0.0e+00 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0    40
VecReduceComm          1 1.0 0.0000e+00 0.0 0.00e+00 0.0 0.0e+00 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0     0
VecCUDACopyTo         10 1.0 3.9999e-03 1.0 0.00e+00 0.0 0.0e+00 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0     0
VecCUDACopyFrom        5 1.0 4.0002e-03 1.0 0.00e+00 0.0 0.0e+00 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0     0
SNESSolve              1 1.0 3.6119e+00 1.0 8.87e+09 1.0 0.0e+00 0.0e+00 0.0e+00 56100  0  0  0 100100  0  0  0  2456
SNESLineSearch         2 1.0 4.0002e-03 1.0 5.49e+06 1.0 0.0e+00 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0  1374
SNESFunctionEval       3 1.0 4.0002e-03 1.0 2.52e+06 1.0 0.0e+00 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0   630
SNESJacobianEval       2 1.0 3.1199e-01 1.0 3.85e+07 1.0 0.0e+00 0.0e+00 0.0e+00  5  0  0  0  0   9  0  0  0  0   123
KSPGMRESOrthog      2024 1.0 1.7120e+00 1.0 5.09e+09 1.0 0.0e+00 0.0e+00 0.0e+00 26 57  0  0  0  47 57  0  0  0  2972
KSPSetup               2 1.0 0.0000e+00 0.0 0.00e+00 0.0 0.0e+00 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0     0
KSPSolve               2 1.0 3.2919e+00 1.0 8.83e+09 1.0 0.0e+00 0.0e+00 0.0e+00 51 99  0  0  0  91 99  0  0  0  2681
PCSetUp                2 1.0 0.0000e+00 0.0 0.00e+00 0.0 0.0e+00 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0     0
PCApply             2024 1.0 4.7998e-02 1.0 0.00e+00 0.0 0.0e+00 0.0e+00 0.0e+00  1  0  0  0  0   1  0  0  0  0     0
MatMult             2092 1.0 8.9998e-01 1.0 3.32e+09 1.0 0.0e+00 0.0e+00 0.0e+00 14 37  0  0  0  25 37  0  0  0  3689
MatAssemblyBegin       2 1.0 0.0000e+00 0.0 0.00e+00 0.0 0.0e+00 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0     0
MatAssemblyEnd         2 1.0 1.2000e-02 1.0 0.00e+00 0.0 0.0e+00 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0     0
MatZeroEntries         2 1.0 0.0000e+00 0.0 0.00e+00 0.0 0.0e+00 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0     0
MatFDColorApply        2 1.0 3.1199e-01 1.0 3.85e+07 1.0 0.0e+00 0.0e+00 0.0e+00  5  0  0  0  0   9  0  0  0  0   123
MatFDColorFunc        42 1.0 7.9999e-03 1.0 3.53e+07 1.0 0.0e+00 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0  4410


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20100831/b2d8c3d6/attachment.html>


More information about the petsc-dev mailing list