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What is the difference betwixt LAPACK and SCALAPACK?

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dyc_2008

Sat May 26 2012, 11:41AM

Registered Member #3844
Joined Tue May 25 2010, 09:03AM
posts 49

hi everyone

I have compiled VASP successfully just by commenting out SCALAPACK.
but I do not understand the difference betwixt LAPACK and SCALAPACK

thank you so much

andypea

Tue Jul 24 2012, 02:41AM

Registered Member #6039
Joined: Sun Jul 22 2012, 04:52AM
Location: Auckland, New Zealand
posts 3

SCALAPACK stands for Scalable LAPACK. It should scale better when running large jobs across distributed memory systems, such as a cluster of machines connected via ethernet.

If all your jobs run on a single machine you can safely ignore SCALAPACK.

elina5237

Wed Sep 05 2012, 11:09AM

Registered Member #6175
Joined: Wed Sep 05 2012, 11:03AM
posts 4

SCALAPACK stands for Scalable LAPACK. It should scale better when running large jobs across distributed memory systems, such as a cluster of machines connected via ethernet.

Abercrombie Brussel

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