PS has had multiprocessor support since at least version 4 on the PC.
It's one of the reasons why I've been running NT or 2K multiprocessor
for some time, instead of the Win95/98/ME sequence. Used to be one had
to enable it by installing a patch file, but since ver. 5 it has
auto-detected the presence of multiple processors.
Re uniprocessor machines and memory: One of Adobe's technical notes on
Photoshop used to mention a rule of thumb that I found really helped:
ensure that you have enough RAM for at least 3 copies of the image to be
completely RAM-resident simultaneously, *after* one has accounted for
RAM used by the O/S and any other running applications. Apparently the
3x requirement has to do with the way in which PS performs many
operations.
---
Scott Gomez
-----Original Message-----
From: Chuck Norcutt [mailto:chucknorcutt@xxxxxxxxxxx]
Subject: [OM] Re: Processor advice for handling OM images
I'd be pretty cautious about a multi-processor solution. In order for
it to work for you, you must be running more than one process (not the
case here) or the application software must be written to split the time
consuming work into multiple threads that can be simultaneously handled
by more than one processor.
<snip>
Just go with the fasted uni-processor you can find with the greatest
amount of physical memory you can stuff into it. Fast hard drives are
also good but nothing improves the performance of virtual memory faster
than more physical memory.
Chuck Norcutt
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