Some aspect of GCC memory consumption increased by recent patch
Ben Elliston
bje@au1.ibm.com
Wed Sep 29 05:29:00 GMT 2004
Jan Hubicka <jh@suse.cz> writes:
> up to 3% memory consumption increase looks pretty serious even
> tought we save some memory on generate-3.4.ii. Is there some
> understanding why it happens and/or some hope that it will get
> solved?
I spent a bit of time thinking about this today.
Nathan, is it possible that the pre-allocation strategy for the
type-safe vectors is causing a higher than usual peak in memory
consumption? I note that vec.h says "Reallocation causes an
exponential increase in vector size."
Ben
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