[fpc-pascal]Performance: Free Pascal vs GNU Pascal

[Peter Vreman]

>> Look at
>> http://dada.perl.it/shootout/
>
> Thank you for this VALUABLE reference.  Let me ask (if I may)...on
> matrix multiplication, which appears to be a pretty clean, simple
> algorithm, why do you suppose Microsoft C (vc, and also vc++) is more
> than three times faster than FPC?
>

The times 0.05 and 0.16 seconds also include startup code initialization.
You need to run the tests for at least 10 seconds to get representive
values.

I guess that the optimizer of VC uses more register variables. Also CSE
and out-of-loop moving of 'static' values are not implemented in FPC.