Optimise a build for floating point operation

[Øystein O Johansen]

Hi,

I got a program [*] code that makes mostly floating point operations
(written in C and C++). I know this program will run on a Windows 2000
Intel pentium 4 machine. The program is time critical, and I really want to
make it run as fast as possible. Which parameters and options should I send
to gcc when compiling and linking? I'm using mingw 2.0 with gcc 3.2.

gcc --version
gcc (GCC) 3.2 (mingw special 20020817-1)

I'm willing to update the compiler if that will increase the execution
performance of the binary.

-Øystein

[*] It's a neural net based backgammon evaluation program based on GNU
Backgammon

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Thank you.