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Re: [tree-ssa] Lazily allocate varrays
- From: Gerald Pfeifer <gp at suse dot de>
- To: Jeffrey Law <law at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Wed, 26 Nov 2003 18:59:45 +0100 (CET)
- Subject: Re: [tree-ssa] Lazily allocate varrays
- References: <200311261723.hAQHNoQd011221@speedy.slc.redhat.com>
On Wed, 26 Nov 2003 firstname.lastname@example.org wrote:
>> BTW, how exactly do you measure *overall* memory consumption?
> What do you mean by "overall"?
The (maximum) amount of memory actually consumed when running GCC.
> Typically what I'm measuring is the amount of data we're requesting from
> the GC system. That does not necessarily translate one to one with the
> amount of memory the GC system requests from the OS.
This shows the two different points of view: for a GCC developer this is
the most relevant data when tracking down memory usage; for a GCC user,
the resources consumed on the system are of premier interest.
I can happily report that today was the first day where I managed to
compile the application behind PR8361 with -O3 without badly affecting
interactive use on my workstation; that is, your improvements are really
Gerald Pfeifer <email@example.com> Technical Project Management, SUSE Linux AG