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Re: Strange memory problem [message #18414 is a reply to message #18337]

Wed, 22 December 1999 00:00

jeyadev
Messages: 78
Registered: February 1995

Member

In article <38602B16.5EDA39B@resource-eng.com>,
Mark D. Williams <markw-xxxnospamxxx@resource-eng.com> wrote:
> "R. Kyle Justice" wrote:
>>
>> When I do the following:
>>
>> temp=bytarr(1000,1000,25)
>> temp(*)=10
>>
>> my computer (a Sparc20 with 128MB of *available* ram) grinds
>> to a halt. Actually it starts using swap. Don't tell me
>> PV-Wave is making 5 or 6 copies of the array just to do this
>> simple process!
>>
>> Has anyone else seen this curious behavior on PV-Wave? IDL? I have
>> verified it on a PC, and using different versions of PV-Wave(6.1,7.0).
>>
>> I have played around with the z-value and 25 (i.e. 25MB) is roughly
>> the cutoff for going into swap for a 128MB system.

Just tried it on my Ultra10 with 1024 MB of RAM -- not even running
Netscape, so there must be enough memory! Same problem -- swapping
does occur and the it takes about 15 seconds to perform the operation.
I am running Solaris 2.6 and PV-WAVE v6.01.
--

Surendar Jeyadev jeyadev@wrc.xerox.com

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[Message index]

		Strange memory problem By: rkj on Tue, 21 December 1999 00:00
		Re: Strange memory problem By: Terry Smith on Thu, 23 December 1999 00:00
		Re: Strange memory problem By: rivers on Thu, 23 December 1999 00:00
		Re: Strange memory problem By: jeyadev on Wed, 22 December 1999 00:00
		Re: Strange memory problem By: Mark D. Williams on Wed, 22 December 1999 00:00
		Re: Strange memory problem By: m218003 on Wed, 22 December 1999 00:00
		Re: Strange memory problem By: Peter Mason on Wed, 22 December 1999 00:00
		Re: Strange memory problem By: thompson on Wed, 22 December 1999 00:00
		Re: Strange memory problem By: Julie Greenwood on Wed, 22 December 1999 00:00
		Re: Strange memory problem By: Alex Schuster on Wed, 22 December 1999 00:00
		Re: Strange memory problem By: thompson on Wed, 22 December 1999 00:00
		Re: Strange memory problem By: Julie Greenwood on Wed, 22 December 1999 00:00
		Re: Strange memory problem By: rkj on Wed, 22 December 1999 00:00

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