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Re: memory exhaustive error


From: Martin Helm
Subject: Re: memory exhaustive error
Date: Thu, 16 Aug 2012 06:17:13 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:14.0) Gecko/20120713 Thunderbird/14.0

Am 16.08.2012 05:28, schrieb Laurent Hoeltgen:
> Hi, If I'm not mistaken (it's 5 o'clock in the morning, I'm not
> completely awake yet)... then such a matrix would need about 4.6GB of
> memory. Could it be, that you just run out of memory as the error
> message suggests? If the meatrix contains many 0s, try using sparse
> matrices. Regards, Laurent
That would be also my guess, since 25000*25000 is 625 million and hence
you do not exceed the 2 gig limit for the index. On the other hand it
can be that the octave version is too old to be capable of using up to 2
gig doubles.

What is the octave version, the current version 3.6.2 is without
problems able to handle that as long as you have enough virtual memory.


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