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Re: Faster compilation speed [zone allocation]
- From: dewar at gnat dot com (Robert Dewar)
- To: aldyh at redhat dot com, dje at watson dot ibm dot com
- Cc: gcc at gcc dot gnu dot org, matz at suse dot de, per at bothner dot com
- Date: Thu, 15 Aug 2002 15:02:06 -0400 (EDT)
- Subject: Re: Faster compilation speed [zone allocation]
< Because the problem is not the garbage collection, its the
allocation pattern. The proposal to use reference counting allows GCC to
switch to an allocator with better locality -- it's a requirement for the
underlying improvement, not a fix unto itself.
But removing garbage collection entirely certainly gives some information.
Another way of examining is to compile on a machine with a large level 2
cache, and watch the compilation time vs size of thing being compiled.