Re: [Dynapi-Dev] TCanvas vs. DynLayer

[Doug M. <do...@cr...>]

I've been saying for month now that the API is getting bloated..
We REALLY need to re-evaluate the current structure and code..
As I'm sure your getrting tired of hearing,
2 minutes is simple TOO long for a site to load.

----- Original Message -----
From: "Richard Bennett" <ma...@ri...>
To: <dyn...@li...>
Sent: Sunday, February 18, 2001 9:28 AM
Subject: Re: [Dynapi-Dev] TCanvas vs. DynLayer


> > You just don't get it.
> Let's avoid this kind of disrespect where possible.
>
> You've done some interesting work, and now that there's something tangible
> to work with I spent some time testing it.
> I can't comment on whether or not objects are being passed, or assigned
> static or whatever, simply on test results.
> I find the results show not necessarily how fast Canvas is, but how
horribly
> slow DynAPI has grown.
> I did some extended testing, and put this online, so others can compare
the
> results for themselves.
>
> I did the test without children, one building 1000 layers, one building
200
> layers.
> I applied these to:
> * Canvas
> * DynAPI 25/jan/01 release
> * DynaCore 2001/01/13 release
> * DynAPI Lite 29/aug/2000
> * DynAPI Lite Compact code 29/aug/2000
>
> My results where: (in ms. on p3 550 winMe IE5.5 128ram)
> Canvas 1000            18.130
> Canvas 200                1.320
> DynAPI 1000           94.470
> DynAPI 200                4390
> DynaCore 1000        21.030
> DynaCore 200            1.430
> DynAPI Lite 1000       9.340
> DynAPI Lite 200         1.200
> DynAPI Comp.1000 11.590
> DynAPI Comp. 200    1.100
>
> The tests are online here:
> http://www.dynapi.f2s.com/dynapi/tcanvas/
>
> If anyone wants to add files or anything here's the FTP:
> username: dynapi
> password: dynapi
>
> I think it's clear there is something seriously slowing down the DynAPI,
if
> DynaCore is so much faster with more or less the same functionality,
> something's wrong.
> Also I'm all for including the Lite files again, as their times are very
> good.
>
> Cheers,
> Richard Bennett
>
> ma...@ri...
> www.richardinfo.com
> (Everything running on, and ported to the 19/12/2000 snapshot of DynAPI2)
> Find the DynAPI faq here:
> http://sourceforge.net/docman/display_doc.php?docid=656&group_id=5757
> Browse the mailinglist here:
> http://www.mail-archive.com/index.php3?hunt=dynapi
>
> ----- Original Message -----
> From: "Eytan Heidingsfeld" <ey...@tr...>
> To: <dyn...@li...>
> Sent: Sunday, February 18, 2001 9:57 AM
> Subject: Re: [Dynapi-Dev] TCanvas vs. DynLayer
>
>
> > You just don't get it.
> > It's not that I use different code and the version I tested with has a
> > children list. (uses my TList so didn't include it).
> > The reason it's faster is such. When browsers parse js code and create
> > objects they create actual objects in their application. That means that
> for
> > every dynlayer there is an object inside Netscape or IE with actual
> objects
> > in them. In your method of creation you:
> > Create new DynLayer()
> > Call add child to the parent
> > Parent does the following
> > static Create the virtual object
> > static Create the actual element
> > static Assign the element
> > This means that the browser has to
> > Get Parent object in browsers memory
> > Call addchild
> > Call static line and create js object
> > Call static line and create js element
> > Call staticassignment where you have to get obj1 and obj2 and assign
> > and more of this type of thing
> > It slows down the process by a whole lot
> > What my create does is:
> > Create new Canvas()
> > myCanvas.create does this:
> > Check who the parent is
> > if null create in the actual document
> > if Canvas create under it
> > No passing of object between methods, not assigning no static methods.
> >
> > 8an
> >
> >
> > _______________________________________________
> > Dynapi-Dev mailing list
> > Dyn...@li...
> > http://lists.sourceforge.net/lists/listinfo/dynapi-dev
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>
>
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