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From: | snowball3 AT bigfoot DOT com (Mark E.) |
Newsgroups: | comp.os.msdos.djgpp |
Subject: | Re: gcc 2.95 compile speed |
Date: | Mon, 02 Aug 1999 04:10:34 GMT |
Organization: | Snowball's Web |
Message-ID: | <37a519b5.3478948@news3.ibm.net> |
References: | <Pine DOT UW2 DOT 3 DOT 95 DOT 990802023038 DOT 27766A-100000 AT bryggen DOT bgnett DOT no> |
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To: | djgpp AT delorie DOT com |
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Gisle Vanem <giva AT bryggen DOT bgnett DOT no> wrote: >I've just installed gcc 2.95 (19990714 prerelease) and couldn't help >notice the decrease in compile speed. A rather large library used to >take 8 min with gcc 2.8.1. It now takes just over 11 minutes. An >increase of 37% ! > >Here's the gcc-flags if that would matter: > > CFLAGS = -c -O2 -g -I../inc -Wall -m486 -malign-loops=2 \ > -malign-jumps=2 -malign-functions=2 -fno-strength-reduce > -O2 does a lot more optimizing in 2.95 than it did in 2.8.1, thus the decrease in speed. Mark -- Mark E.: snowball3 AT bigfoot DOT com http://snowball.frogspace.net/
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