Whole program optimization and functions-only-called-once.
Toon Moene
toon@moene.org
Wed Nov 18 20:56:00 GMT 2009
Jan Hubicka wrote:
> I wrote:
>> but it was nice to see the link
>> time optimization of the largest executable being terminated by the OOM
>> killer (after 10 minutes of CPU time, when reaching 12.5 Gbytes of
>> memory).
>>
>> At least it gives the impression that some real work is put into
>> optimizing our code :-)
>
> :) It would be nice to know what caused the OOM. Is just one of passes exploding
> on presence of very large bodies?
I'll try to figure this out over the weekend (sorry, don't have more
spare time).
It's most probably a single pass, because the memory requirements kept
creeping up to 12.5 Gbytes from 10, slowly increasing all the time over
several minutes.
--
Toon Moene - e-mail: toon@moene.org - phone: +31 346 214290
Saturnushof 14, 3738 XG Maartensdijk, The Netherlands
At home: http://moene.org/~toon/
Progress of GNU Fortran: http://gcc.gnu.org/gcc-4.5/changes.html
More information about the Gcc-patches
mailing list