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Very slow loading #3

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iotzov opened this issue Nov 13, 2019 · 2 comments
Closed

Very slow loading #3

iotzov opened this issue Nov 13, 2019 · 2 comments

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@iotzov
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iotzov commented Nov 13, 2019

Not sure what the performance other people have been getting looks like, but I have experienced very slow loading when using the load_xdf() function in MATLAB.

My files are ~5GB, 64 channels EEG @ 2048 Hz and an audio recording with 2 channels @ 44.1 kHz. Loading times for each file are ~1hr.

This issue occurs on Windows, Ubuntu, and CentOS using MATLAB 2014b and 2018b.

Is this expected behavior? How can I speed up loading?
@iotzov
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iotzov commented Nov 13, 2019

Solved the issue, load_xdf_innerloop.c was incorrectly compiled and the .mex file was not working properly.

@iotzov iotzov closed this as completed Nov 13, 2019
@JuliusWelzel
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Solved the issue, load_xdf_innerloop.c was incorrectly compiled and the .mex file was not working properly.

Hey Ivan, I ran in the same Issue. Could you please provide a little more detailed way of solving the problem? I already tried to use an older version of the same file, which did not work.

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@iotzov @JuliusWelzel