Machine code and assembly code is sometimes called native code when referring to platform-dependent parts of language features or libraries.
3
votes
0answers
70 views
Optimizing the calculation of complex exponential numbers using OpenMP
I am trying to create a function that can either beat numexpr or perform comparably for the vectorized mathematical operation ...
3
votes
0answers
38 views
Same PyObject for a shared_ptr C++ object
I have a similar problem as in this mail. I want that every time I return the same C++ managed object to Python, I get the same PyObject. With the standard ...
3
votes
2answers
104 views
Hello World using Python embedded in C++, with RAII library initialization
I have written a small Hello World application that uses Python's C-API. The C library requires some functions to be called for global library (de-)initialization and the objects created by the ...
4
votes
1answer
103 views
Mean of the squares of differences for a large matrix
I have tried to obtain speed gains by transferring Matlab calculations to C and call it using .mex. My goal is to operate on a matrix \$B\$ which has roughly the dimension 10000x1000
$$
...
6
votes
3answers
4k views
k-nearest neighbors using MATLAB with MEX
I have implemented kNN (k-nearest neighbors) as follows, but it is very slow. I want to get an exact k-nearest-neighbor, not the approximate ones, so I didn't use the FLANN or ANN libraries.
...
7
votes
1answer
211 views
