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Mail Archives: djgpp/2004/12/20/16:00:44

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Message-ID: <41c73a4d$0$176$cc7c7865@news.luth.se>
From: Martin Str|mberg <ams AT speedy DOT ludd DOT ltu DOT se>
Subject: Re: DMA and PIO (was Re: Problems with timer interrupt chaining and SmartDrv)
Newsgroups: comp.os.msdos.djgpp
References: <01c4e368$Blat.v2.2.2$592f6a00 AT zahav DOT net DOT il> <41c5fcca DOT sandmann AT clio DOT rice DOT edu> <01c4e6ce$Blat.v2.2.2$be0d2340 AT zahav DOT net DOT il>
User-Agent: tin/1.4.6-20020816 ("Aerials") (UNIX) (NetBSD/1.6Q (alpha))
Date: 20 Dec 2004 20:47:09 GMT
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

Eli Zaretskii <eliz AT gnu DOT org> wrote:
>> From: Charles Sandmann <sandmann AT clio DOT rice DOT edu>
>> Try this test.  Open task manager so you can monitor CPU usage.  Using the 
>> default DMA, read a 500MB file from disk.  Using a modern disk this should 
>> take less than 10 seconds and use no more than 2-3 percent of the CPU.

> What program does one use to read a file, but otherwise do nothing?

"cat file >/dev/null"?


Right,

						MartinS

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