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c++heap-memoryreal-timearmadillo

Armadillo : solving Ax=b allocates heap?

I'm looking for a Math library for doing real-time jobs and i'd like to know if the library Armadillo can, for example, perform x=A\b in real time without allocating on the heap (or is it a way, by pre allocating on the heap at startup).

i could maybe look into the code but it uses LAPACK as a library and i don't know where to look

Could someone help me find the code where it solves Ax=b? And see if it uses heap allocation? Another way would be to count the heap allocated before and after but how to do that? HeapWalk?

thanks

Jeff

Solution

  • Using Perfmon.exe, i was able to check the memory size of the program just before and just after the function i suspected of allocating on the heap. And the difference was of a little bit more than 100k for a variable of 100k...