Re: Using a DMA chip in strange ways

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Article #13249

#13249

From: Adam Quantrill
Date: Fri, 13 Mar 1987 16:36

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In article <4343@columbia.UUCP>, dupuy@amsterdam.columbia.edu (Alexander Dupuy) writes:
>> [] would
>> there be any advantage in having a DMA chip which would simply be used for
>> memory to memory copies (from user to kernel space, or from one user space to
>> another)?

Yup. You don't wear out the cpu so much.

-- 
       -Adam.

/* If at first it don't compile, kludge, kludge again.*/

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Message-ID: <518@gec-mi-at.co.uk>

Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!mcvax!ukc!hrc63!miduet!adam

References: <4343@columbia.UUCP> <298@attila.weitek.UUCP>

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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!mcvax!ukc!hrc63!miduet!adam
From: adam@gec-mi-at.co.uk (Adam Quantrill)
Newsgroups: comp.arch
Subject: Re: Using a DMA chip in strange ways
Message-ID: <518@gec-mi-at.co.uk>
Date: Fri, 13-Mar-87 11:36:32 EST
Article-I.D.: gec-mi-a.518
Posted: Fri Mar 13 11:36:32 1987
Date-Received: Sat, 21-Mar-87 08:57:22 EST
References: <4343@columbia.UUCP> <298@attila.weitek.UUCP>
Reply-To: adam@gec-mi-at.co.uk (Adam Quantrill)
Distribution: world
Organization: Marconi Instruments Ltd., St. Albans, Herts, UK
Lines: 12

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