Hiya , Are there any academic papers which compare and evaluate compilers for distributed computing ?
Cheers Malcolm On Sat, May 2, 2009 at 10:21 AM, Chris Samuel <csam...@vpac.org> wrote: > > ----- "Gus Correa" <g...@ldeo.columbia.edu> wrote: > > > Hi Chris, list > > Hiya, > > > Thanks for the info! > > Not a problem! > > > I have been blindly using "-march=amdfam10" (and -O3) > > out of the gcc 4.1.2 man page, simply because it is > > recommended for Barcelona (and hopefully also the > > Shanghais we have). > > Well I did a microbenchmark beforehand (actually one from > Joe Landman's blog) and found that the Barcelona extensions > improved performance for it: > > http://www.csamuel.org/2009/03/15/comparing-fortran-compilers > > but that doesn't seem to carry over into the code our > users are trying with it (possibly because they're not > doing Fortran). > > So I would strongly suggest benchmarking your code both > with and without that option and see what works best for > you! > > > What would be the right level of optimization then? > > As ever, the answer is "it depends". :-) > > Experiment and read the info pages for the optimisation > flags in GCC.. > > [Intel and Shanghai] > > Is this deliberate? > > In the sense that they have no desire to support > competitors hardware, yes. Not really surprising, > if AMD made compilers I doubt they'd try and do > Intel specific optimisations either.. > > cheers! > Chris > -- > Christopher Samuel - (03) 9925 4751 - Systems Manager > The Victorian Partnership for Advanced Computing > P.O. Box 201, Carlton South, VIC 3053, Australia > VPAC is a not-for-profit Registered Research Agency > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing > To change your subscription (digest mode or unsubscribe) visit > http://www.beowulf.org/mailman/listinfo/beowulf > -- Malcolm A.B Croucher
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