Date: Tue, 18 Aug 1998 16:03:03 +0300 (IDT)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
To: grundmann <grundema AT uni-duesseldorf DOT de>
cc: djgpp AT delorie DOT com
Subject: Re: Need Fast Disk I/O
In-Reply-To: <35D84975.DB61CE29@uni-duesseldorf.de>
Message-ID: <Pine.SUN.3.91.980818160037.12510b-100000@is>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Precedence: bulk


On Mon, 17 Aug 1998, grundmann wrote:

> I am programming a programm   to sample data and need
> disk i/o with 1,6 MB /s continious throughput.

Does your disk support such high transfer rate?  If not, you can never 
have it with any compiler.

AFAIK, 1,6MB/s requires a bus-mastering SCSI controller or a very fast IDE 
drive.

> Is there a possibility to get that with djgpp ? ( I used normal open
> close write and  got 800 k/s -1 MB per /s here at work which is not 
> enough ).

Use `_write', not `write'.  The former calls DOS directly, without any 
additional processing.