Message-Id: Date: Thu, 15 Apr 99 06:40 From: strasbur AT chkw386 DOT ch DOT pwr DOT wroc DOT pl (Krzysztof Strasburger) To: pgcc AT delorie DOT com Subject: Re: performance question Reply-To: pgcc AT delorie DOT com >> I am involved with numerical weather modeling and we sometimes use >> Pentium class computers running Linux. Does the PGCC compiler patch >> also provide speed improvements for g77? Is this something that I >> should try? When you have a model that may runs for 7 days a 5-10% >> speed-up IS significant. >There have been a number of problems reported in the 1.1.2 release - >you might want to try 1.1.1 or the latest development sources (avalible >in CVS). No, don't use 1.1.1 with fpu intensive programs. The very important fast-math option was broken. This bug seems to be fixed in 1.1.2. Krzysztof