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linbox-team / fflas-ffpack

FFLAS-FFPACK - Finite Field Linear Algebra Subroutines / Package
http://linbox-team.github.io/fflas-ffpack/
GNU Lesser General Public License v2.1
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Where did the -O optim flag go? #315

Closed ClementPernet closed 4 years ago

ClementPernet commented 4 years ago

It seems that since the introduction of the -march=native flag, the -O2 or -O0 flags are no longer given to the compiler, resulting in an embarrasing slow-down.

cyrilbouvier commented 4 years ago

The "-O" flags is set by SET_FLAGS in configure.ac. But the call to this macro was remove in commit f1f9ee78971b0e560a762a (the last commit that modified configure.ac). I make a PR reverting this commit for this file.

ClementPernet commented 4 years ago

Fixed by #316