[Rivet] Rivet crash when applying projection

Andy Buckley andy.buckley at ed.ac.uk
Fri Jan 22 20:45:36 GMT 2010


On 22/01/10 13:14, Frank Siegert wrote:
> After very strange debugging experiences* I now think that it is related 
> to our optimization setting -O3. When I switch this to -O2 I can't 
> reproduce the segfault that I was able to reproduce earlier.
> Maybe the strange thing that James saw in Athena had something to do with 
> the optimization as well?
> 
> I know that we use -O2 in Sherpa. Would anybody be opposed to switching 
> Rivet to -O2?

Nope: setting -O3 was just my way of turning it up to 11. I don't
*think* there's a significant performance difference at -O2, so please
feel free to "fix" this problem! But we should be slightly scared at
what this may imply...

Andy

-- 
Dr Andy Buckley
SUPA Advanced Research Fellow
Particle Physics Experiment Group, University of Edinburgh


More information about the Rivet mailing list