This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: [tree-ssa] More memory reductions
- From: law at redhat dot com
- To: Gerald Pfeifer <gp at suse dot de>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Mon, 24 Nov 2003 09:56:17 -0700
- Subject: Re: [tree-ssa] More memory reductions
- Reply-to: law at redhat dot com
rIn message <Pine.LNX.4.58.0311241111140.13876@D209.suse.de>, Gerald Pfeifer
wri
tes:
>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?
I'm testing with PR8361.
jeff