Re: Let's use gcc-4.2, not 4.1 -- OpenMP

From: Steve Kargl <sgk_at_troutmask.apl.washington.edu>
Date: Thu, 14 Dec 2006 20:44:53 -0800
On Fri, Dec 15, 2006 at 02:50:30PM +1030, Daniel O'Connor wrote:
> On Friday 15 December 2006 05:50, Scott Long wrote:
> > Yes, the industry moves fast, but that's no reason to fool ourselves
> > into thinking that the FSF will support GCC 4.2 a day after they release
> > 4.3 and start working on 4.4.  Your point above about the lifespan of
> > FreeBSD 7.x is a valid one, and I agree that it should be a
> > consideration.  Vendor support is a myth and should not be a
> > consideration.
> 
> Not to mention it is *trivial* to install a compiler using ports or packages.
> 
> If you are serious about high performance computing installing a new compiler 
> is about the lowest barrier you'll find.
> 

Actually, 4.1.x will produce much worse code than 3.4.6.
You can search the gcc mail listings for extensive comparison
by Clinton Whaley (the author of math/atlas) for details.

-- 
Steve
Received on Fri Dec 15 2006 - 03:44:56 UTC

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