[petsc-dev] Bug in MatMatMultTranspose for sequantial AIJ matrices from petsc-dev?

[Barry Smith]

On Nov 9, 2011, at 7:58 AM, Mark F. Adams wrote:

> FYI: I appear to be getting not great flop rates out of these methods on my Mac:

   Known issue. Do you have alternative algorithms that would crank it up? This is something we are actively working on.

   Barry

> 
> MatMatMult             2 1.0 1.1382e+00 1.0 8.48e+07 1.0 0.0e+00 0.0e+00 4.0e+00  4  1  0  0  2  12  8  0  0  2    75
> MatPtAPNumeric         2 1.0 4.3557e+00 1.0 7.82e+08 1.0 0.0e+00 0.0e+00 0.0e+00 14 11  0  0  0  45 74  0  0  0   180
> MatTrnMatMult          2 1.0 6.0777e-01 1.0 3.31e+07 1.0 0.0e+00 0.0e+00 8.0e+00  2  0  0  0  4   6  3  0  0  4    55
> 
> KSPSolve               1 1.0 2.9164e+00 1.0 1.57e+09 1.0 0.0e+00 0.0e+00 0.0e+00 10 21  0  0  0 100100  0  0  0   538
> 
> Mark
> 
> On Nov 9, 2011, at 10:47 AM, Hong Zhang wrote:
> 
>>> Hong, please update src/docs/website/documentation/changes/dev.html when you
>>> make API changes.
>> Done and pushed to petsc-dev.
>> 
>> Hong
>> 
>