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Topic: 64bits and memory problem
Replies: 18   Last Post: Oct 2, 2013 5:39 AM

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Posts: 19
Registered: 1/24/09
Re: 64bits and memory problem
Posted: Nov 19, 2009 4:59 PM
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When I was using svmtrain in libsvm. I got this same problem. I write the software author (Chih-Jen Lin), he said that we need to modify make.m, add -largeArrayDims on 64-bit machines. So we need:

mex -O -largeArrayDims ...

now the make file is like this:

mex -O -largeArrayDims -c svm.cpp
mex -O -largeArrayDims -c svm_model_matlab.c
mex -O -largeArrayDims svmtrain.c svm.obj svm_model_matlab.obj
mex -O -largeArrayDims svmpredict.c svm.obj svm_model_matlab.obj
mex -O -largeArrayDims libsvmread.c
mex -O -largeArrayDims libsvmwrite.c

It fixed the problem. Enjoy~

P.S., the following FAQ says about the x64 compiler when installing visual studio c.

Q: On 64bit Windows I compile the MATLAB interface without problem, but why errors occur while running it?

If you use Microsoft Visual Studio, probabally it is not properly installed. See the explanation here.;jsessionid=Ls87LF1JH1RnLp18kQdqtzvQGvw29Q4w26dJJn9JpzwZxCGNN7T4!-1681277526#n7

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