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From: aglew@ccvaxa.UUCP
Newsgroups: comp.sys.misc
Subject: Re: Atari Transputers ? (Really: st
Message-ID: <29300002@ccvaxa>
Date: Sat, 10-Oct-87 01:21:00 EDT
Article-I.D.: ccvaxa.29300002
Posted: Sat Oct 10 01:21:00 1987
Date-Received: Mon, 12-Oct-87 04:59:45 EDT
References: <18606@amdcad.AMD.COM>
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Nf-ID: #R:amdcad.AMD.COM:18606:ccvaxa:29300002:000:672
Nf-From: ccvaxa.UUCP!aglew    Oct 10 00:21:00 1987


>Yes, the transputer has a low context-switch time, but if you are really
>switching that often that 4 microseconds makes a difference, you
>probably aren't getting much work done, anyway.  Note that most UNIX
>machines perform roughly 60 - 100 context switches per second, so that
>register-save time is in the noise.
>
>	-- Tim Olson
>	Advanced Micro Devices
>	(tim@amdcad.amd.com)

4 microseconds might make a difference to you, even if you aren't context
switching that often - but if you have certain events that you want to
respond to real fast, in real time. For these applications, of course,
you would try to pre-load and lock down the registers in the AMD29000.