Re: optimization flags for simulation software

[REH]

On May 6, 9:47 am, yuva...@gmail.com wrote:
> I have a C++ program that does an economic simulation. The program
> have one function with many nested loops (3-5 levels of nesting), each
> run in order of 10-1000 times. All loop limits are constants.
> Inside the loops, simple calculations are done (exp is the heaviest),
> and some global matrices are accessed (both for reading and writing).
> The global matrices are very large ~10M.
>
> I'm using floats for most of my computations. Accuracy is not very
> important, and speed is the most
> important, because I need to later find a minimum for that function.
>

Don't assume that float is faster than double just because it is
(presumably) smaller on your platform.

REH