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Archive for the ‘PhysX Hardware’ Category

How to put the Demos back in the PhysX Control Panel: Video Guide

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Another thematic video guide from Andrew “MohawkADE” Elliott, explaining how to add missing physics demos (older from Ageia and newer from NVIDIA) to PhysX Control Panel.

Please note that following guide is only valid for Ageia PhysX PPU owners.

You can find written tutorial on our forums.

Related materials:

Written by Zogrim

August 1st, 2012 at 10:29 am

Posted in PhysX Hardware

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How to restore Ageia PPU support with latest NVIDIA Drivers: Video Guide

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Andrew “MohawkADE” Elliott, our fellow reader and big fan of original Ageia PhysX cards, has prepared a video version of his guide on how to restore PPU support with latest PhysX Drivers.

Ageia PPUs are not recognized by latest PhysX System Software releases, but with a bit of work you will be able to play every game with hardware PhysX acceleration (assuming you have NVIDIA GPU as well), without necessity to reinstall PhysX drivers for each title.

Please note that only certain games (based on PhysX SDK below 2.8.3) are featuring PPU support. Even following this guide, you can't force latest titles like Batman: Arkham City to utilize your PPU.

Related materials:

Keep an eye on MohawkADE’s channel, as more interesting videos and reviews are coming soon !

Written by Zogrim

July 23rd, 2012 at 10:53 am

GTX 680: PhysX Benchmarks roundup

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Finally, NVIDIA has officially presented their new GPU – GTX 680, built on 28nm GK104 chip, which itself is based on next-gen Kepler architecture.

Many rumors were floating around Kepler and its physics acceleration capabilities, some were endowing new GPU with dedicated PhysX blocks, others were claiming ability to run CPU PhysX games in hardware – none of this happens to be true. Nothing special (like NVENC video encoder) for physics calculations, just general improvements to chip architecture, SM clusters, etc.

Nonetheless, we will try to gather all available information regarding PhysX computation performance of the GTX 680, in comparison to previous generation GPUs.

NVIDIA Kepler GPU GeForce GTX 680 Video Card Review by HARDOCP

Interesting results – in this case, GeForce GTX 680 performance is higher than Radeon HD 7970 even with GPU PhysX effects enabled. However, we can not directly compare GTX 580 and GTX 680 due to different resolution settings.

Read the rest of this entry »

Written by Zogrim

March 23rd, 2012 at 1:14 am

NVIDIA will demonstrate new GPU PhysX game at PDXLAN?

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NVIDIA and Gearbox are bringing something really special to PDXLAN 19.

Attendees are in for an exclusive treat that will blow your mind!!”

These welcome words can be found on official page of upcoming PDXLAN event.

Rumors are saying, that NVIDIA will demonstrate special PhysX demo of a game from Gearbox Software, running on next-gen “Kepler” GPU.

UPDATE [19.02.2012]: NVIDIA presentation was held on Saturday (18 Feb), at 5 pm.

According to some people, who was participating in the event – NVIDIA was not showing Kepler GPUs.

Intead, there were Tegra 3 presentation, giveaway contests (with T-shirts and even Transformer Prime tablets) and Borderlands 2 demo. But, unfortunately, “no word on PhysX“  support in Borderlands.

Written by Zogrim

February 13th, 2012 at 3:43 pm

Posted in PhysX Games, PhysX Hardware

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NVIDIA Glowball demo showcases PhysX calculations on Tegra 3 device

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NVIDIA has has published a nice video, that is showcasing technical demo called “Glowball”, running on their next quad-core mobile chip known as “Project Kal-EL” or Tegra 3, presumably.

Glowball demo features some complex (for a mobile device) real-time dynamic lighting and shadowing effects, and decent level of PhysX based physics calculations – rigid body barrels and drapes, fully simulated as cloth obejcts.

Cloth simulation is partically interesting: scene contains 10 drapes, likely 100-150 vertices each, affected by gravity and board movement, calculated simultaneously – new kind of physics effects for mobile devices. This tech can be used not necessarily for flags or banners, but for dynamic clothing on characters, for example.

Demo was running on PhysX SDK

Update: More physical demos on Tegra 3 platform

Mobile devices are interesting environment for PhysX SDK to evolve and adapt, so we are eager to see how things will play out in this direction.

Written by Zogrim

May 30th, 2011 at 10:45 am

Posted in Other, PhysX Hardware

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How powerful must be a dedicated PhysX card ?

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Linus Tech Tips website has performed several benchmarks to find out if low-end dedicated PhysX cards are still valuable in systems with high-end graphics cards, using Mafia 2 benchmark.

8600 GTS GPU is clearly bottlenecking the whole system, resulting in lower fps than even a GTX 580, despite the fact that if single NVIDIA GPU is used in Mafia II, PhysX effects are partially running on CPU.

Cards Performance
GTX 580 + 8600 GTS 30.3 fps
GTX 580 49.7 fps
GTX 580 + GTX 580 57.5 fps
GTX 580 + GTX 550 Ti 56.6 fps
GTX 580 + GTX 560 Ti 55.3 fps

In conclusion, in case if you want to pair a dedicated PhysX card with GTX 580-class GPU, find a decent one – GTX 550 or “even something a little bit lower-end”, as author of this video recommends.

Written by Zogrim

April 5th, 2011 at 9:04 am

Posted in PhysX Hardware

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How to restore PPU support with latest PhysX Drivers

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Owners of original Ageia PhysX cards are not in love these days – PPUs are not only not recognized by PhysX SDK 2.8.3/8.4, but even not supported by more or less recent PhysX System Software.

However, our reader Andrew “MohawkADE” Elliott has discovered a way (through drivers mixing, registry editing and some alchemy) to re-enable PPU support even with newest PhysX Drivers.

ASUS Ageia PhysX PPU with latest PSSIn this case you’re be able to kept your PPU in the system, benifit from hardware acceleration in PPU PhysX games and, potentially, in CPU PhysX titles, or even pair your PPU with dedicated Nvidia GPU.

Head over to our forums for further instructions.

Written by Zogrim

January 17th, 2011 at 10:39 am

Posted in PhysX Drivers, PhysX Hardware

Tagged with ,

Ageia PhysX Cards: are they still worth it ?

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Marvelous informational video was uploaded today by our regular reader – Andrew Elliott (also known as elliottad or MohawkADE). It is related to overview of Ageia PPU card history and it’s place in current hardware accelerated PhysX infrastructure.

Also, you can find full transcript at our forums.

Related materials:

If you own an Ageia PhysX card, planning to buy one, or just interested in PhysX lifecycle – this video is worth watching without doubt :)

Written by Zogrim

October 22nd, 2010 at 9:32 am

Posted in PhysX Hardware

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GeForce GTX 480 with GTX 465 for PhysX Benchmarks

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It seems that TweakTown loves testing monstrous (and thus redundant for regular user) PhysX configurations. Previously it was HD 5970 + GTX 480, and now – GTX 480 for graphics along with GTX 465 working as dedicated PhysX card.

Update: and yet another article from TweakTown – GTX 480 vs GTX 470 + GTX 260 in PhysX games.

Read the full article.

Performance numbers are great, but GTX 465 does not seems to be a good candidate for such role because of heat, noise and high power consumption. I’m personally waiting for low-end Fermi based GPUs, to reinforce my new GTX 470 ;)

Written by Zogrim

June 7th, 2010 at 3:03 pm

Nvidia GTX 480: up to 2.5x Performance in PhysX

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Well, NDA for new GTX480/470 GPUs from Nvidia is lifting now all over the world, and we are ready to spoil some details about PhysX computing capabilities of new GPUs.

Not bad, huh ? GTX 480 promises 2.5x performance gain over GTX 285 in PhysX calculations. To reinforce this statement, some benchmarking results vere revealed.

First one – for Raging Rapid Ride techno-demo, featuring complex water simulation (you can read our overview here).

Read the rest of this entry »

Written by Zogrim

March 27th, 2010 at 2:04 am

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