| Memory needed for IDL/Linux? [message #8564] |
Thu, 03 April 1997 00:00  |
Liam Gumley
Messages: 473
Registered: November 1994
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Senior Member |
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I'm looking into buying a laptop which to run IDL under Linux. Does
anyone have a recommendation on the amount of memory I should get? I'm
thinking that at least 64 MB would be appropriate.
Cheers,
Liam.
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| Re: Memory needed for IDL/Linux? [message #8654 is a reply to message #8564] |
Thu, 10 April 1997 00:00  |
kak
Messages: 16
Registered: February 1995
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Junior Member |
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thompson@orpheus.nascom.nasa.gov (William Thompson) writes:
> "Mark Hadfield" <m.hadfield@niwa.cri.nz> writes:
>> David Foster <foster@bial1.ucsd.edu> wrote in article
>> I don't want to start a platform war or anything, but I've noticed that IDL
>> on Windows NT doesn't use much memory when it starts up - around 3 MB for
>> 5.0b. What on earth does IDL use all that memory for on Solaris?
> I'm not sure about the situation via Windows NT versus Solaris, but I have
> noticed this sort of behavior on simple routines that were compiled on
> different platforms. It may have more to do with the platform's compiler than
> it does with IDL.
In the Solaris case, the 7MB total size is right, but the size in
physical memory (resident stack size) is 2.8MB. What size is given
by the WinNT output? Perhaps it does not include the pages in the
swap file?
Karl
--
IPP, PO Box 1533 | Phone: +49-89-3299-1655 | E-Mail:
D-85740 Garching | FAX : +49-89-3299-1149 | krieger@ipp.mpg.de
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| Re: Memory needed for IDL/Linux? [message #8659 is a reply to message #8564] |
Thu, 10 April 1997 00:00 |
thompson
Messages: 584
Registered: August 1991
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Senior Member |
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"Mark Hadfield" <m.hadfield@niwa.cri.nz> writes:
> David Foster <foster@bial1.ucsd.edu> wrote in article
> <334AAE80.1E04@bial1.ucsd.edu>...
>> ...
>>
>> I thought this would be a good time to point out something that
>> really suprised me...IDL 4.0.1 on a Sun under Solaris 2.5 took
>> approximately 7MB of memory when started. IDL 5.0b takes 13MB!!
>> Inflation I guess.
>>
>> Dave
> I don't want to start a platform war or anything, but I've noticed that IDL
> on Windows NT doesn't use much memory when it starts up - around 3 MB for
> 5.0b. What on earth does IDL use all that memory for on Solaris?
I'm not sure about the situation via Windows NT versus Solaris, but I have
noticed this sort of behavior on simple routines that were compiled on
different platforms. It may have more to do with the platform's compiler than
it does with IDL.
Just my $0.02 worth,
Bill Thompson
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| Re: Memory needed for IDL/Linux? [message #8667 is a reply to message #8564] |
Wed, 09 April 1997 00:00 |
Mark Hadfield
Messages: 783
Registered: May 1995
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Senior Member |
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David Foster <foster@bial1.ucsd.edu> wrote in article
<334AAE80.1E04@bial1.ucsd.edu>...
> ...
>
> I thought this would be a good time to point out something that
> really suprised me...IDL 4.0.1 on a Sun under Solaris 2.5 took
> approximately 7MB of memory when started. IDL 5.0b takes 13MB!!
> Inflation I guess.
>
> Dave
I don't want to start a platform war or anything, but I've noticed that IDL
on Windows NT doesn't use much memory when it starts up - around 3 MB for
5.0b. What on earth does IDL use all that memory for on Solaris?
============================================================ ==
Mark Hadfield NIWA (Taihoro Nukurangi)
PO Box 14-901
m.hadfield@niwa.cri.nz Wellington, New Zealand
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| Re: Memory needed for IDL/Linux? [message #8673 is a reply to message #8564] |
Wed, 09 April 1997 00:00 |
pit
Messages: 92
Registered: January 1996
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Member |
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In article <334AAE80.1E04@bial1.ucsd.edu>,
David Foster <foster@bial1.ucsd.edu> writes:
> I thought this would be a good time to point out something that
> really suprised me...IDL 4.0.1 on a Sun under Solaris 2.5 took
> approximately 7MB of memory when started. IDL 5.0b takes 13MB!!
> Inflation I guess.
That also depends on what routines etc. you precompile on startup.
However, on Linux it's approx. 5MB on startup.
And the size of 5.0b is definitely a vote against it, at least for me.
Peter
--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~
Peter "Pit" Suetterlin http://www.uni-sw.gwdg.de/~pit
Universitaets-Sternwarte Goettingen
Tel.: +49 551 39-5048 pit@uni-sw.gwdg.de
-- * -- * ...-- * -- * ...-- * -- * ...-- * -- * ...-- * -- * ...-- * --
Come and see the stars! http://www.kis.uni-freiburg.de/~ps/SFB
Sternfreunde Breisgau e.V. Tel.: +49 7641 3492
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| Re: Memory needed for IDL/Linux? [message #8678 is a reply to message #8564] |
Tue, 08 April 1997 00:00 |
David Foster
Messages: 341
Registered: January 1996
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Senior Member |
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Peter Suetterlin wrote:
>
> In article <3343F961.5F09@ssec.wisc.edu>,
> Liam Gumley <liam.gumley@ssec.wisc.edu> writes:
>> I'm looking into buying a laptop which to run IDL under Linux. Does
>> anyone have a recommendation on the amount of memory I should get? I'm
>> thinking that at least 64 MB would be appropriate.
>>
I thought this would be a good time to point out something that
really suprised me...IDL 4.0.1 on a Sun under Solaris 2.5 took
approximately 7MB of memory when started. IDL 5.0b takes 13MB!!
Inflation I guess.
Dave
--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~
David S. Foster Univ. of California, San Diego
Programmer/Analyst Brain Image Analysis Laboratory
foster@bial1.ucsd.edu Department of Psychiatry
(619) 622-5892 8950 Via La Jolla Drive, Suite 2200
La Jolla, CA 92037
[ UCSD Mail Code 0949 ]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~
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| RE: Memory needed for IDL/Linux? [message #8699 is a reply to message #8564] |
Fri, 04 April 1997 00:00 |
mallozzi
Messages: 60
Registered: August 1994
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Member |
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> I'm looking into buying a laptop which to run IDL under Linux. Does
> anyone have a recommendation on the amount of memory I should get? I'm
> thinking that at least 64 MB would be appropriate.
I am running kernel 2.0.27 / idl5.0 beta with 32 megs, and the machine
swaps a little bit, especially if netscape is running, but it does
very good with 32 megs. 64 should do fine, but of course you should always
get the maximum you can :-)
-bob
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