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Re: gcc 3.1 is still very slow, compared to 2.95.3
- From: dewar at gnat dot com (Robert Dewar)
- To: dewar at gnat dot com, rth at redhat dot com
- Cc: Richard dot Earnshaw at arm dot com, espie at nerim dot net, gcc at gcc dot gnu dot org,jh at suse dot cz
- Date: Sat, 18 May 2002 20:15:11 -0400 (EDT)
- Subject: Re: gcc 3.1 is still very slow, compared to 2.95.3
> If the build machine has "reasonable" amounts of memory, setting
> this too low wastes time collecting too often. If the build machine
> has "small" amounts of memory, setting this too high wastes time
yes, that's clear, but I wondered if anyone had actual quantitative
measurements. Note that setting it too high might also increase TLB
misses, and that's what's interesting. What should be the setting on
a machine with large (1 or more gigs of physical mem).