[fedora-java] Performance issues with gcc-4.1.0-0.10.i386

Tom Tromey tromey at redhat.com
Fri Dec 23 17:32:15 UTC 2005


>>>>> "Andrew" == Andrew Overholt <overholt at redhat.com> writes:

Andrew> I am seeing some performance issues with the latest gcc
Andrew> rawhide RPM set.  I tried a build of Eclipse with them and it
Andrew> took 650 minutes 42 seconds where it used to take about 20 -
Andrew> 30 minutes (this is just for the bytecode, BTW).

I didn't see a note on this list... Andrew Haley and Jakub Jelinek
tracked this down to bad debug info generated by an odd combination of
events (rpm build flags mixing weirdly with the x86 setup in the
compiler triggering some ld bug, or something like that).  This will
be fixed in a forthcoming compiler rev.


I also heard today about some XML buglet in Classpath that makes part
of the Eclipse build take too much memory -- an unbounded cache
somewhere.  I'll pull the patch in once it is available.

Tom




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