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[Octave-bug-tracker] [bug #54005] kron performance affected by octave_qu


From: Marco Caliari
Subject: [Octave-bug-tracker] [bug #54005] kron performance affected by octave_quit() calls
Date: Wed, 30 May 2018 09:29:29 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0

Follow-up Comment #1, bug #54005 (project octave):

@A.R. Burgers: If you move octave_quit() outside, then you will never be able
to interrupt the operation with a Ctrl+C, I think. Can you please measure what
happens if you move octave_quit() to the other loops?

It seems to me that the operation here is made column by column on b. This is
a general question: is scalar times a matrix a column by column operation in
octave? Could not it be done by BLAS xgemm (with alpha=0)?

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