From: "Daniel Urquhart" Newsgroups: comp.os.msdos.djgpp References: <39AE1D927549D111A88F00A0C94B9C7D628ECB AT RJ01MAI01> Subject: Re: performance Lines: 14 X-Newsreader: Microsoft Outlook Express 4.72.3155.0 X-MimeOLE: Produced By Microsoft MimeOLE V4.72.3155.0 Message-ID: Date: Fri, 29 Jan 1999 15:38:43 -0800 NNTP-Posting-Host: 209.52.196.53 X-Complaints-To: news AT bctel DOT net X-Trace: news.bctel.net 917654569 209.52.196.53 (Fri, 29 Jan 1999 16:02:49 PDT) NNTP-Posting-Date: Fri, 29 Jan 1999 16:02:49 PDT To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com >> I am testing gcc to work instead of Borland C 3.1 but programs are much >> slower. [snip] >> I don't understand. Anybody can explain? >> >I'm troubled too, but I think that the diference in access speed is that the >DJGPP have to switch to real mode to call DOS funcs and it makes your >program slower. Have you tried make your program disk buffer greater. >Remember, DJGPP can access much more than 64KB per selector. > That's probably right. Because recently ported a program from Boarland and it ran much faster. I't does allmost not disk access though.