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Re: [tree-ssa] More memory reductions
- 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: Mon, 24 Nov 2003 11:12:52 +0100 (CET)
- Subject: Re: [tree-ssa] More memory reductions
- References: <200311230501.hAN51jQc007164@speedy.slc.redhat.com>
On Sat, 22 Nov 2003 law@redhat.com wrote:
> As I outlined in a previous message, SSA_NAMEs aren't real space
> efficient. Right now they are 32 bytes in size [...]
> The net result is the size of an SSA_NAME node is now 24bytes and
> fits into the special case 24 byte page in the GC allocator.
That's reduction by 33% -- excellent!
> In my runs, we allocate over 888466 SSA_NAMEs so getting them from the
> 32byte page to the 24byte page is a significant amount of memory.
What did you use for these runs? PR8361 or something else?
(The improvement is most welcome in any case, just curious...)
Gerald