Re: Auto-vectorizing test suites?

nmm1@cus.cam.ac.uk (Nick Maclaren)
12 Feb 2005 15:37:55 -0500

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Auto-vectorizing test suites? s.bosscher@student.tudelft.nl (stevenb) (2005-02-11)
Re: Auto-vectorizing test suites? nmm1@cus.cam.ac.uk (2005-02-12)
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From: nmm1@cus.cam.ac.uk (Nick Maclaren)
Newsgroups: comp.compilers
Date: 12 Feb 2005 15:37:55 -0500
Organization: University of Cambridge, England
References: 05-02-047
Keywords: parallel
Posted-Date: 12 Feb 2005 15:37:55 EST

stevenb <s.bosscher@student.tudelft.nl> wrote:
>Has anyone ever seen test suites that test how well a vectorizer
>performs? In a quick Google search nothing showed up. I am looking
>for test cases written in C/C++/Fortran. Hope you can help :-)


If this is a heavyweight request, contact the Numerical Algorithms
Group (NAG). While they don't have a test suite that does precisely
that, their test suite can and has been used for that. Because of the
size, complexity and reliability of the code - and the fact that it
has an appropriately heavyweight test suite - it is one of the better
stress tests of a compiler of numerical code. But it is not easy to
use and the source is not openly available.


For a lighter weight one, try using LAPACK and even the various
versions of LINPACK. Again, not ideal, but I have used the latter for
that purpose.


Regards,
Nick Maclaren.

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