On Fri, Apr 11, 2014 at 7:29 PM, Julian Taylor <jtaylor.deb...@googlemail.com> wrote: > x86 cpus are backward compatible with almost all instructions they ever > introduced, so one machine with the latest instruction set supported is > sufficient to test almost everything. > For that the runtime kernel selection must be tuneable via the > environment so you can use kernels intended for older cpus.
Overriding runtime kernel selection sounds like a good bite-sized feature that could be added to OpenBLAS... > The larger issue is finding a good and thorough testsuite that wasn't > written 30 years ago and thus does covers problem sizes larger than a > few megabytes. These are the problem sizes are that often crashed > openblas in the past. > Isn't there a kind of comprehensive BLAS verification testsuite which > all BLAS implementations should test against and contribute to available > somewhere? > E.g. like the POSIX compliance testsuite. I doubt it! Someone could make a good start on one in an afternoon though. (Only a start, but half a test suite is heck of a lot better than nothing.) -n -- Nathaniel J. Smith Postdoctoral researcher - Informatics - University of Edinburgh http://vorpus.org _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
