[SciPy-user] weave and large arrays
Ryan Krauss
ryanfedora at comcast.net
Wed May 11 15:56:48 EDT 2005
hmmmmmmmmmm.
I had written a Matlab script to load the *.mat files and resave them,
but I put the -v4 switch at the end. I am using Matlab version 6.5. I
will re-run the script using the -v4 switch first and see what happens.
Stephen Walton wrote:
> Ryan Krauss wrote:
>
>> Either reading in the ascii data or using io.loadmat without using
>> weave runs for over 15 minutes The *.mat file contains 11 column
>> vectors that are 25000 elements long.
>
>
> There is something really wrong here then. I executed the following
> MATLAB code:
>
> x1=rand(25000,1);
> x2=rand(25000,1);
> ...
> x11=rand(25000,1);
> save foo -v4 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11
>
> and then loaded 'foo.mat' using io.loadmat in a fraction of a second.
> I was using MATLAB version 7, hence the -v4 switch to get lowest
> common denominator MATLAB file.
>
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