Undesirable performance of pdgbdriver.f

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Undesirable performance of pdgbdriver.f

Postby ejspeiro » Thu Feb 21, 2013 9:41 pm

Hello,

:( I am literally running out of resources where to ask for this, since nobody seems to be interested about it, nor anybody seems to actually get the issue, but I am wondering, what factors may interplay in the scalability being affected when executing the pdgbdriver.f for banded matrices, that comes in the ScaLAPACK distribution?

I have tried many different options but scalability seems to baffle me :(

Thanks in advanced and kindest regards.

PS: I tried to post this in a prior thread about performance, and my message got declined because of being "spam".
ejspeiro
 
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