Fastest math programming language?

Question

I have an application that requires millions of subtractions and remainders, i originally programmed this algorithm inside of C#.Net but it takes five minutes to process this information and i need it faster than that.

I have considered perl and that seems to be the best alternative now. Vb.net was slower in testing. C++ may be better also. Any advice would be greatly appreciated.

Answer 1

1. You need a compiled language like Fortran, C, or C++. Other languages are designed to give you flexibility, object-orientation, or other advantages, and assume absolutely fastest performance is not your highest priority.

2. Know how to get maximum performance out of a single thread, and after you have done so investigate sharing the work across multiple cores, for example with MPI. To get maximum performance in a single thread, one thing I do is single-step it at the machine instruction level, to make sure it's not dawdling about in stuff that could be removed.