[eigen-commits] commit/eigen: bjacob: Fix my recent prefetch changes:

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1 new commit in eigen:

https://bitbucket.org/eigen/eigen/commits/915f1b1fc158/
Changeset:   915f1b1fc158
User:        bjacob
Date:        2015-02-23 21:55:17+00:00
Summary:     Fix my recent prefetch changes:
 - the first prefetch is actually harmful on Haswell with FMA,
   but it is the most beneficial on ARM.
 - the second prefetch... I was very stupid and multiplied by sizeof(scalar)
   and offset of a scalar* pointer. The old offset was 64; pk = 8, so 64=pk*8.
   So this effectively restores the older offset. Actually, there were
   two prefetches here, one with offset 48 and one with offset 64. I could not
   confirm any benefit from this strange 48 offset on either the haswell or
   my ARM device.
Affected #:  1 file

Repository URL: https://bitbucket.org/eigen/eigen/

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