OpenEuphoria

Re: Delay()

• Posted by Hawke <mdeland at NWINFO.NET> Aug 15, 1998
• 429 views

twas I, and yes, you make a very good optimization
that is also going to be put back in my toolbox as well.
thanks for your sharp eye... and, yes, ticks count :)

Mathew Hounsell wrote:
>
> Alan(?) Coded :
> procedure Delay(atom seconds)
> atom now
>
>   now = time()
>   while (time() - now) < seconds do
>   end while
> end procedure
>
> However this is more accurate :
>
> procedure Delay(atom seconds)
> atom until
>
>   until = time() + seconds
>   while time() < until do
>   end while
> end procedure
>
> Why? Well the first version of delay is doing a function call, a load, a
> calculation and then a comparison each time.
> But calculations take time.
> The second code does the calculation once. It then only does the function call
> and comparison each time.
>
> The later is logically quicker. However it is all relative as no *human* would
> percieve it.
> A machine might.
>
> -----
> Sincerely,
> Mathew Hounsell
> Mat.Hounsell at Mailexcite.Com
>
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