[petsc-users] Intel Internal compiler error: segmentation violation signal raised

Jed Brown jed at jedbrown.org
Tue Apr 8 06:39:01 CDT 2014

TAY wee-beng <zonexo at gmail.com> writes:
> My impression was intel is mostly faster. However, does it apply to 
> gfortran too? Is it also faster for a lot of code than Intel fortran? 
> I'll give it a go if it's so. However, I remember changing a no. of 
> options to build and in the end, it was slower. that's a few yrs ago though.

It varies, but usually not by a large factor and a broken compiler takes
infinitely long to produce correct answers.  Report the bug to Intel,
use gfortran (latest version), and get on with your business.  If/when
Intel fixes the bug, if you still have a license, try ifort again.
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