[Eeglablist] SIFT Memory Issue

Makoto Miyakoshi mmiyakoshi at ucsd.edu
Wed Jul 16 16:54:32 PDT 2014

Dear Mostafa,

Two solutions.
1. You use less resolution in time and/or frequency to save memory.
2. You use 64bit OS and > 8 GB RAM.


On Tue, Jul 15, 2014 at 7:41 AM, Mostafa Rz <mostafa.rouzbahani at gmail.com>

> Hi
> when i want to use SIFT options i got memory errors.
> My RAM is 4 GIG and i could load data and preprocess and fit a modell to it. But
> after that i don't have any free memory to use other options.
> For produce it first I load sample data which download it fromhttp://sccn.ucsd.edu/wiki/SIFT. I load only one of them and it use about 80MB
> of my RAM.
> 2)After that from SIFT toolbox I select preprocessing. It increase my RAM usage
> to 220MB.
> 3)I select fit AMVAR MODEL from model fiiting and validatin and i decrease the
> model order to 3 for less usage of RAM. After this process its take 2010MB of
> my RAM.
> 4)Estimation of the connectivity is my next step.It's increase the usage a bit
> more.
> 5)After that I couldn't do anything else. I try to use visualization tab for
> creating brain movie or plotting time-freq grid but my RAM starting to overflow
> and I get the out of memory error.
> I have a question. Is there any way to use my hard disk for saving data after
> some process to free my  RAM or any task which free my RAM?
> I have to mention using windows 7 Page File is decrease the process speed very much.
> Thanks for response
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Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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