[Csdp] Differences between versions 5 and 6
aguilera at santafe-conicet.gov.ar
Thu Feb 28 16:41:41 EST 2008
On 28 Feb 2008, at 16:59, Brian Borchers wrote:
> Without examining the problems and the output from both versions of
> the code, it's difficult to say exactly what could be the cause of
> this improvement in performance.
> There were relatively few changes to the code between version 5 and
> version 6 of CSDP, and on a single processor machine the OpenMP stuff
> should make no difference in performance. If you see that both
> versions 5 and 6 used about the same number of iterations then I'd bet
> that any improvement is due to using a more highly optimized set of
> BLAS/LAPACK libraries when the newer version of CSDP was built.
Notice also that the numerical results are slightly different (using
the same single processor).
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