OpenEuphoria

RE: What's Faster?

• Posted by rforno at tutopia.com Jun 15, 2003
• 434 views

Yes.
Test it by creating (by means of an editor or another EU program) a pair of
huge EU programs each using one of the opposed methods.
Regards.
----- Original Message -----
From: Al Getz <Xaxo at aol.com>
Subject: RE: What's Faster?


>
>
> Derek Parnell wrote:
> >
> >
> > ----- Original Message -----
> > From: "Al Getz" <Xaxo at aol.com>
> > To: "EUforum" <EUforum at topica.com>
> > Sent: Sunday, June 15, 2003 2:53 AM
> > Subject: What's Faster?
> >
> >
> > > Hello,
> > >
> > > What is faster during initialization:
> > >
> > >
> > >     constant A1=#F
> > >
> > > or
> > >
> > >     constant A1=15
> > >
> > > In other words, does the interpreter read hex numbers
> > > faster then whole decimal integer numbers?
> > > And what about whole numbers between max_integer and #FFFFFFFF ?
> >
> > If there is any speed differences, it would be measured in microseconds
> > and
> > as constants only get initialized once in an application, you would not
> > really be able to detect the difference. In short, it isn't worth the
> > time
> > to worry about it.
> >
> > >
> > > Also,
> > >
> > >     MySeq[5]=1
> > >
> > > or
> > >
> > >     MySeq[THE_NUMBER_FIVE]=1
> > >
> > >
> > > This last one doesnt have to include the time it took
> > > to load the constant THE_NUMBER_FIVE.
> > >
> > > In other words, is it faster to read a number typed
> > > within the sequence bracket or is it faster to read
> > > the name of the constant, assuming at least 10 characters
> > > in the constants' name?
> >
> > Similar story here too. The speed up for using literals rather than
> > constants is also measured in microseconds. So unless you are doing this
> > operation many millions of times over, the loss in readability is not
> > worth
> > the effort.
> >
> > --
> > Derek
> >
> >
> Hello,
>
> Thanks for the reply, but...
>
> The reason i asked the question:
>
> "What is faster"
>
> is because i wanted to know exactly that;
> 'what is faster'.
>
> Of course i dont mind if there is a slight difference
> when using this ONE time, but, as you could have guessed,
> i want to apply the answer to maybe 50,000 such cases
> in the same program.
>
> In this case:
>
> 50,000 times 10us equals 0.5 second difference in loading time,
> if in fact it is 10us, but if it's 1us THEN it doesnt matter.
> Since i have control over which way to do it, im not going
> to choose the longer time if i can help it, even if it's only
> 0.25 seconds instead of 0.5 seconds.
>
> It would also be nice to know the ratio, like
> 1.1 to 1, or 1.001 to 1.
>
>
> Any ideas?
>
> Al
>
>
>
> TOPICA - Start your own email discussion group. FREE!
>
>