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Loading file multiple times

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Noam
Noam 2013-5-7
When I load a certain MAT file twice (different runs of the script) its look like the reading is much faster in the second time (unless i've load a lot of other files between the runs). Why is it hapenning and how can I make it happen always? (even when I'm loading a lot of other files between)
examples: Reading 12MB file (compressed, v7.3 I think)
first run - 0.3 sec
second run - 0.15 sec
Reading 26MB files (non - compressed, v6) % same data as above but in v6 now
first run - 0.85 sec
second run - 0.03 sec % !!!
It's look like the file is in the memory in some way.
Thanks
Noam

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