is D so slow?

Fawzi Mohamed fmohamed at mac.com
Mon Jun 16 07:40:16 PDT 2008


On 2008-06-16 16:32:56 +0200, Fawzi Mohamed <fmohamed at mac.com> said:

> On 2008-06-15 13:53:30 +0200, baleog <maccarka at yahoo.com> said:
> 
>> Thank you for your replies! I used malloc instead of new and run time 
>> was about 1sec
> 
> But you probably did not understand why... and it seems that neither 
> did others around here...
> 
> Indeed it is a subtle pitfall in which it is easy to fall.
> 
> When you benchmark
> 1) print something depending on the result like the sum of everything 
> (it is not the main issue in this case, but doing it would have 
> probably shown the problem), so you can also have at least a tiny 
> chance to notice if your algorithm is wrong
> 
> 2) NaNs

ehm, sorry...
You do initialize everything...
ehm, never post without testing...

Fawzi



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