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Message-Id: | <199811302201.WAA14053@remus.clara.net> |
From: | "Arthur" <arfa AT clara DOT net> |
To: | <djgpp AT delorie DOT com>, <wolfware AT friko7 DOT onet DOT pl> |
Subject: | RE: optimizations??? |
Date: | Mon, 30 Nov 1998 22:00:34 -0000 |
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In-Reply-To: | <365C14B6.1B9E059E@friko7.onet.pl> |
Reply-To: | djgpp AT delorie DOT com |
OK, this is the second time I have posted this message. I can't reply to your private address, because apparantly it doesn't exist! My mail server tries for 5 days to send the message, and apparantly failed. Please don't ask to send to your private address: it's a bit cheeky :-) > My question is : which option I should use for max speedy code (for > Pentium and better cpu) (i know about -mpentium and -O3) but maybe there > are another one? Allegro lib makefile I found -O6 what is it? > > please reply for my priv address : wolfware AT friko7 DOT onet DOT pl thx! -O6 is the main optimisation switch for PGCC - the pentium GCC compiler. People have had varying degrees of success with this. I have got about a 60% speed _reduction_ by using PGCC, and stick with -mpentium -mcpu=pentium -march=pentium and either -O2 or -O3 (depending on what the code is like). James Arthur - jaa AT arfa DOT clara DOT net http://www.arfa.clara.net/james/ ICQ#15054819
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