Hello

Some time ago I had problems with low frame rate running SimpleVrml under
windows XP on my new laptop.

I was suggested to get the latest version of ARToolkit which is what I did.

I am now running the 2.70.1 version of artoolkit on both my 2.4 desktop
computer and my 1.6 pentium M laptop.

The laptop is a lot faster at graphics then the desktop : the
GraphicsTest.exe gives me 400 FPS on the laptop against about 60 FPS on the
desktop.


BUT !!! when I run simpleVrml on both computers the laptop is exrtremely
sluggish when the other computer behaves normally.

Anyone has any idea to where I should be looking for the problem ??

Sorry if this is trivial or off topic but any help is welcome...

Thanks

alain baumann

Sounds like the bottleneck is in the toolkit.. graphicstest doesn't  
make any ARTK calls. Try running modeTest and post the framerate.  
It'd also be helpful to know what the cameras are on each machine.

Cheers,
Phil.

On 01/06/2005, at 10:49 AM, alain baumann wrote:

> Hello
>
> Some time ago I had problems with low frame rate running SimpleVrml  
> under
> windows XP on my new laptop.
>
> I was suggested to get the latest version of ARToolkit which is  
> what I did.
>
> I am now running the 2.70.1 version of artoolkit on both my 2.4  
> desktop
> computer and my 1.6 pentium M laptop.
>
> The laptop is a lot faster at graphics then the desktop : the
> GraphicsTest.exe gives me 400 FPS on the laptop against about 60  
> FPS on the
> desktop.
>
>
> BUT !!! when I run simpleVrml on both computers the laptop is  
> exrtremely
> sluggish when the other computer behaves normally.
>
> Anyone has any idea to where I should be looking for the problem ??
>
> Sorry if this is trivial or off topic but any help is welcome...
>
> Thanks
>
> alain baumann
>



Philip Lamb
Research Student,
Human Interface Technology Laboratory New Zealand,
University of Canterbury, Christchurch, NZ.
+64 3 3642987 x3070

You've said that the laptop is more powerful at processing graphics, but
the problem could just be the relative specifications.

Someone may well correct me, but if the laptop has a more powerful
graphics chip then that'll help with calls to DirectX/OpenGL, but such
things as processing the matrix calculations are still performed by the
processor.  If the file's large then the laptop might just be feeling
the strain of processing so many vertices.

Although I don't know what processing GraphicsTest or ModeTest do.

Matthew


-----Original Message-----
From: owner-artoolkit@h ..................
[mailto:owner-artoolkit@h ..................] On Behalf Of alain baumann
Sent: 02 June 2005 13:57
To: artoolkit@h ..................
Subject: Re: low frame rate

Hello again, and thank you for your replies

I did run modetest, and the result : I get 24FPS on the slow machine and
30
FPS on the laptop, which shows that the problem is elsewhere.

So I did another test which was to change the VRML file I am using on
both
machines, and here seems to be the problem.
When I use the Bud_b VRML on the laptop the program works fine, but when
I
use the file I prepared, the problem appears. The file is quite large,
but
it does perform well on the other computer...

As to the camera, I tested with a logitech 4000 on both machines

And yes I did check that I use AR_DRAW_BY_TEXTURE_MAPPING since I found
an
earlier mail that mentioned this problem.

Cheers,

Alain


> Sounds like the bottleneck is in the toolkit.. graphicstest doesn't
> make any ARTK calls. Try running modeTest and post the framerate.
> It'd also be helpful to know what the cameras are on each machine.
>=20
> Cheers,
> Phil.
>=20
> On 01/06/2005, at 10:49 AM, alain baumann wrote:
>=20
>> Hello
>>=20
>> Some time ago I had problems with low frame rate running SimpleVrml
>> under
>> windows XP on my new laptop.
>>=20
>> I was suggested to get the latest version of ARToolkit which is
>> what I did.
>>=20
>> I am now running the 2.70.1 version of artoolkit on both my 2.4
>> desktop
>> computer and my 1.6 pentium M laptop.
>>=20
>> The laptop is a lot faster at graphics then the desktop : the
>> GraphicsTest.exe gives me 400 FPS on the laptop against about 60
>> FPS on the
>> desktop.
>>=20
>>=20
>> BUT !!! when I run simpleVrml on both computers the laptop is
>> exrtremely
>> sluggish when the other computer behaves normally.
>>=20
>> Anyone has any idea to where I should be looking for the problem ??
>>=20
>> Sorry if this is trivial or off topic but any help is welcome...
>>=20
>> Thanks
>>=20
>> alain baumann
>>=20
>=20
>=20
>=20
> Philip Lamb
> Research Student,
> Human Interface Technology Laboratory New Zealand,
> University of Canterbury, Christchurch, NZ.
> +64 3 3642987 x3070
>=20
>=20
>=20



This message is intended for the addressee(s) only and should not be read=
, copied or disclosed to anyone else outwith the University without the p=
ermission of the sender.
It is your responsibility to ensure that this message and any attachments=
=20are scanned for viruses or other defects. Napier University does not a=
ccept liability for any loss
or damage which may result from this email or any attachment, or for erro=
rs or omissions arising after it was sent. Email is not a secure medium. =
Email entering the=20
University's system is subject to routine monitoring and filtering by the=
=20University.=20

Hello again, and thank you for your replies

I did run modetest, and the result : I get 24FPS on the slow machine and 30
FPS on the laptop, which shows that the problem is elsewhere.

So I did another test which was to change the VRML file I am using on both
machines, and here seems to be the problem.
When I use the Bud_b VRML on the laptop the program works fine, but when I
use the file I prepared, the problem appears. The file is quite large, but
it does perform well on the other computer...

As to the camera, I tested with a logitech 4000 on both machines

And yes I did check that I use AR_DRAW_BY_TEXTURE_MAPPING since I found an
earlier mail that mentioned this problem.

Cheers,

Alain


> Sounds like the bottleneck is in the toolkit.. graphicstest doesn't
> make any ARTK calls. Try running modeTest and post the framerate.
> It'd also be helpful to know what the cameras are on each machine.
> 
> Cheers,
> Phil.
> 
> On 01/06/2005, at 10:49 AM, alain baumann wrote:
> 
>> Hello
>> 
>> Some time ago I had problems with low frame rate running SimpleVrml
>> under
>> windows XP on my new laptop.
>> 
>> I was suggested to get the latest version of ARToolkit which is
>> what I did.
>> 
>> I am now running the 2.70.1 version of artoolkit on both my 2.4
>> desktop
>> computer and my 1.6 pentium M laptop.
>> 
>> The laptop is a lot faster at graphics then the desktop : the
>> GraphicsTest.exe gives me 400 FPS on the laptop against about 60
>> FPS on the
>> desktop.
>> 
>> 
>> BUT !!! when I run simpleVrml on both computers the laptop is
>> exrtremely
>> sluggish when the other computer behaves normally.
>> 
>> Anyone has any idea to where I should be looking for the problem ??
>> 
>> Sorry if this is trivial or off topic but any help is welcome...
>> 
>> Thanks
>> 
>> alain baumann
>> 
> 
> 
> 
> Philip Lamb
> Research Student,
> Human Interface Technology Laboratory New Zealand,
> University of Canterbury, Christchurch, NZ.
> +64 3 3642987 x3070
> 
> 
>