Squeak build problem...

Joshua 'Schwa' Gargus schwa at cc.gatech.edu
Fri Aug 16 00:59:18 UTC 2002


On Thu, Aug 15, 2002 at 04:30:54PM -0700, John M McIntosh wrote:
> >On Thursday 15 August 2002 12:43 pm, Joshua 'Schwa' Gargus wrote:
> >>  I recently built a VM with gcc-3.2, and had similar results.
> >
> >So what are you using for optimization flags?
> >
> >Perhaps the
> >-O2 -funroll-loops
> >
> >isn't enough...
> 
> Well I've opened a problem with Apple on this issue of how GCC 3.x 
> creates poorer code. Mind I don't see a quick solution. For powerPC 
> the optimizer creates very different code. It just runs slower.
> 
> This might be true for all platforms, one would think that i386 code 
> should be faster.

I didn't specify, but my slow VM was built on an Athlon.
I still haven't given Ned's suggestion a try.

> 
> Also it wasn't clear if the gnuify step ran and the interp.c was altered?

I don't know.  I assume so, since compiling with gcc-2.95 resulted in
a VM about as fast as they have been for a long time.  I'll check when
I build another.

Joshua

> -- 
> --
> ===========================================================================
> John M. McIntosh <johnmci at smalltalkconsulting.com> 1-800-477-2659
> Corporate Smalltalk Consulting Ltd.  http://www.smalltalkconsulting.com
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