[Bug middle-end/31723] Use reciprocal and reciprocal square root with -ffast-math
ubizjak at gmail dot com
gcc-bugzilla@gcc.gnu.org
Sun Jun 10 10:47:00 GMT 2007
------- Comment #12 from ubizjak at gmail dot com 2007-06-10 10:47 -------
Here are the results of mubench insn timings for various x86 processors:
http://mubench.sourceforge.net/results.html (target processor can be
benchmarked by downloading mubench from
http://mubench.sourceforge.net/index.html).
And finally an interesting read how commercial compilers trade accurracy for
speed (please read at least about SPEC2006 benchmark):
http://www.hpcwire.com/hpc/1556972.html
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ubizjak at gmail dot com changed:
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