Prometheus owner?

[patrik]

@zipper:

What do you think about running Karlos pixeltest program on your Prometheus and post the results in this thread?


/Patrik

[zipper]

No problem; where's the test? Do look at amigaspeed.de.vu, where you can compare Mediator, G-Rex and Prometheus game speeds on Quake, QuakeII etc. With same GFX card and CPU the numbers don't differ too much, but G-rex is maybe the fastest, Prometheus slowest. Other factors seem to contribute to the results which are not analyzed.

[patrik]

@zipper:

Karlos said in his post that it was just to ask him about the program and he would send it over.


/Patrik

[zipper]

Karlos?

[Karlos]

Hi,

Sorry - I was away infront of the idiot lantern for a bit. Send me an email (if you havent already done so) and I can mail it to you :-)

[Liluh]

You didn`t read these tests too carefully, did you?

Quake1: Mediator is the slowest even though tests are being made on V4/V5 gfx card. G-rex is on top here, but gets beat by Prometheus here and there.

Quake2: Prometheus is the best. No Mediator tests here but G-rex and CVPPC gots beaten up smoothly

Heretic2: Slight difference between A4k version of Grex and Prometheus, Mediator is the slowest.

Payback: Funny thing, Grex is the slowest here, Mediator/Prometheus extactly the same.

In overal Mediator is worse in these tests than Grex 4000 and Prometheus.

[Liluh]

Oh, btw.

From what I hear the current price from upgraded Prometheus is 170euro.

Is that right ComputerCity is upgrading older boards for free? I think they have that upgrading device.

[patrik]

zipper?


/Patrik

[Karlos]

@liluh

Well, it all depends on actual the driver implementation under each system, bus speed alone is far from the deciding issue...

-edit-

PS : It seems I simply cannot spell Prometheus - I keep writing 'ius' on the end :lol:

[zipper]

Didn't work. I emailed to Karlos.

[Karlos]

@zipper

My fault - I realised later that I emailed you an old version which is asking for v4 of cybergraphics...

Sorry dude :-(

On some p96 systems this worked and on others it didnt. In the end, the code only needs v43, but thats what happens when you just use the version macro that comes in your devkit ;-)

I will send you the updated version as soon as I get a chance...

-edit-

Incidentally, it did work, exiting cleanly because it failed to open v42 of cybergfx. That hideous negative returncode told me so ;-)

-edit2-

Working version should now be in your mail ;-)

[zipper]

OK, I'll be back  ... after having finished today's job.

[zipper]

BTW, is the P96 emulation library responsible for that v41 of cybergraphics.library that pretends to be in my setup which is equipped with P96 graphics?

[Karlos]

Yeah. Basically p96 allows applications to open the cybergraphics.library via its emulation.

I have found that for my needs (chunky 8/15/16/23/32 bit surfaces and direct VRAM access) that CGX is fine and that p96 emulation handles it all flawlessly...

My only mistake in the earlier version was using the macro that defines the cgx library version number. As I was using the 4.x devkit it asked for v42 minumum...

Later, I changed all my setup code (in my libraries) to ask for the proper minimum version of libraries they need...

[zipper]

OK, Prometheus tested. Here are the results for a PIV sitting in there coexisting with Voodoo3; Voodoo3 results were a little slower. Perhaps PIV is capturing some cycles?


Set  :    4910289 pix/sec  9590.40 K/sec
Zero :    3235813 pix/sec  6319.94 K/sec
Copy :    4551111 pix/sec  8888.88 K/sec
Conv :    4542698 pix/sec  8872.45 K/sec

Conversion attained  99.81% copy speed

[Karlos]

-edit- Sorted out which gfx card was which :-)

So

The PIV attained a set test of 9590.40 K/sec
The Voodoo3 (PCI) got 8458.14 K/sec

Both results were for locked 32-bit access to an offscreen, big-endian 16-bit RGB surface.

Time to run away before Patrik gets here :lol: