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From: | joshv AT planet DOT net (Josh Vanderhoof) |
Newsgroups: | comp.os.msdos.djgpp,rec.games.programmer |
Subject: | Re: Any tips on optimizing C code? |
Followup-To: | comp.os.msdos.djgpp,rec.games.programmer |
Date: | 14 May 1997 16:24:50 GMT |
Organization: | B.C. Equipment, Landing, NJ |
Lines: | 13 |
Message-ID: | <5lcp0i$cdj@jupiter.planet.net> |
References: | <33775c59 DOT 19219875 AT news DOT cis DOT yale DOT edu> <5la59v$11b AT news DOT webspan DOT net> |
Reply-To: | joshv AT planet DOT net |
NNTP-Posting-Host: | stan10.planet.net |
To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
quark(particle) (quark AT webspan DOT net) wrote: : if you're writing in DJGPP,, try compiling it with : gcc -O yoursource.c -o exename.exe : : It can actually give you a real boost in performance... You should use "-O2 -fomit-frame-pointer" for the most optimization in gcc. You can also try "-funroll-loops" and "-finline-functions", but they can waste enough cache to decrease performance. -- Josh Vanderhoof (joshv AT planet DOT net)
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