Re: Multiple op's on a simgle rm machin

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Michael Jones (mtj++at++babar)
Thu, 2 Mar 1995 14:19:05 -0800


On Mar 2, 5:53pm, Richard Gallery wrote:
> Subject: Multiple op's on a simgle rm machin

:I have a VTX (1 rm) Onyx, with 4 R4400's. I am using an MCO
:to display multiple (4) views. My question is, should I have
:a single pipe, and render each channel through the same pipe,
:or should I have, say 2 pipes (software) and render half
:through one and half through the other. The reason I am
:asking is, I realise that having two software pipes on a
:single hardware pipe machine is in-efficient, but, as I have
:spare cpu's, I could have two draw and two cull processes (if
:I configured it as, say two pipes). Has anyone else tried this?
:I could experiment myself but I am sure someone already knows what
:would be best here.

This won't help you today, but the next release of IRIS Performer
includes support for parallel culling of pfChannels for display
on a single pfPipe. This is the way to go, so develop a single
pipe/multichannel application now, and when you upgrade in
a month or two, assign two processors for the culling.

-- 

Be seeing you, Phone:415.390.1455 Fax:415.965.2658 M/S:8U-590 Michael T. Jones Silicon Graphics, Advanced Graphics Division mtj++at++sgi.com 2011 N. Shoreline Blvd., Mtn. View, CA 94039-7311


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