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Archive for the ‘Hybrid PhysX’ Category

Lucid Hydra and ATI+NV PhysX: wrong way

with one comment

Many of you know that so called Hybrid PhysX setups (using ATI GPU for graphics and Nvidia GPU for PhysX – in one system) are officially banned by Nvidia. Unofficially – available through GenL PhysX mod. However, all this hacking and patching isn’t appropriate for certain users, not to mention that Nvidia can find a way to block Hybrids completely one day.

New Lucid Hydra, technology that can split graphics rendering even between  ATI and Nvidia GPUs in Multi-GPU setups, was rumored as compromising solution for Hybrid PhysX problem. (can’t say we believed in that).

Unfortunatelly, recent tests of MSI Big Bang Fuzion, first motherboard with Hydra Engine inside, have shown finally – No. It’s not working this way.

According to Big Bang Fuzion review by GURU 3D

What if you want to enjoy PhysX in X-mode? – well you can’t, as the minute the NVIDIA driver sees an ATI card, it will disable it.

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Written by Zogrim

January 13th, 2010 at 3:40 pm

Hybrid PhysX: 2x HD5870 + 9800GT in Batman Arkham Asylum

without comments

Pretty interesting video emerges on YouTube today. Batman: Arkham Asylum built-in benchmark was used to demostrate that Crossfire setup (2x HD5870) is actually working along with Nvidia GPU (9800GT), dedicated for PhysX calculations (author was using GenL PhysX mod, I guess).

However, with PhysX effects set to High, fps is bottlenecked with PhysX simulation, as it went from average 301 (with PhysX disabled), to average 125. Still, more than enough to play the game without any inconvenience.

Written by Zogrim

January 11th, 2010 at 2:35 pm

Posted in Hybrid PhysX

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How to set up Hybrid PhysX system: video guide

with 2 comments

User Containforum has uploaded video guide on how to set up Hybrid ATI+NV PhysX system. It contains overview of all necessary drivers and mods, where to download them, and how to make them working together.

Other guides you may refer to: Link#1 | Link#2 | Link#3 | Link #4 | Link#5 | Link#6 | Link#7 <- it’s recommended to start from newer links.

Hybrid PhysX systems benchmarks: HD4870/5870+9500/9600GT | HD4850/5750+9800GT | HD5870+GT220 | 2xHD5870 + 9800GT | HD5870/GTX285 + 9800GT

Update: Catalyst 10.2 and extended display error fix – in addition, you’ll be able to use dedicated NV GPU for PhysX without necessity to extend display.

Written by Zogrim

December 27th, 2009 at 1:46 pm

Posted in Hybrid PhysX

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How to enable Hybrid PhysX on single monitor: Guide

without comments

User pipnasty from Overclock.net forums has presented fine guide on how to enable Hybrid ATI+NV PhysX setup on single monitor, using dummy VGA plug.

This guide is detailed enough, takes new version of GenL mod into account, and is probably one of the best Hybrid PhysX related articles we’ve seen so far.

Proceed to the Guide

Other guides you may refer to: Link#1 | Link#2 | Link#3 | Link#4 (video guide) | Link#5 (Italian video guide) | Link#6 | Link#7 (detailed) <- it’s recommended to start from newer links.

Update: Catalyst 10.2 and extended display error fix – in addition, you’ll be able to use dedicated NV GPU for PhysX without necessity to extend display.

Written by Zogrim

December 23rd, 2009 at 2:14 pm

Posted in Hybrid PhysX

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Back to Hybrid PhysX systems: new benchmarks

with 3 comments

It seems that today Hybrid ATI+NV PhysX systems (ATI GPU for graphics, Nvidia GPU for PhysX) are even more popular than Ageia PPUs in their time. Not officially supported (and chased) by Nvidia, such configurations are possible using custom patch.

This time, our colleagues from PCgamesHardware.de have published results of Hybrid PhysX tests in Batman: Arkham Asylum built-in benchmark.

Physx_hybrid_bench

To built a Hybrid PhysX System, you’ll need mobo with two PCI-E slots (regardless to SLI/Crossife support; PCI-Ex8/x4 is enough for PhysX), appropriate Nvidia GPU (something like 9600/GT240), Win XP/Win 7 OS and PhysX mod 1.02, which you can download here.

Installation instructions – Link#1 | Link#2 | Link#3 (Please note that most of them refer to old PhysX mod 1.01 – use 1.02 mod instead, download link above) | Link#4 | Link#5 (video guide) | Link#6 (Italian video guide) | Link#7 | Link#8 (detailed) <- it’s recommended to start from newer links.

Written by Zogrim

December 12th, 2009 at 1:48 pm

Posted in Hybrid PhysX

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Hybrid PhysX mod 1.02: 195.xx drivers and Win XP support

with 55 comments

GenL has released updated mod for hybrid PhysX systems – now it works with recent 195.xx GeForce drivers and supports Windows XP/2003

UPDATE: Hybrid PhysX mod 1.03 released – with timebomb fix and lastest drivers support.

- added support for new checks in 195.xx drivers
- added support for XP/2003 drivers
- both x86 and x64 are supported by a single mod now

Notes about the mod:
- Both x86 and x64 are supported by a single file now. If you are using x86 OS, you should just skip patching 64-bit binaries (press No when asked for a search).
- Don’t forget that you must be able to access nvidia control panel. For this connect nvidia GPU to the second input port of your monitor – physically or virtually (i don’t know if this is possible), or any other way you find. There are community-generated tutorials for this, i can’t tell anything because i own only 1 GPU.
- Lite version may come later, if needed. Additionally, i can fix errors if you find them and release it with an update.

Notes about XP/2003 support:
- Only 195.62 drivers are tested for XP/2003 case. I can’t say anything about earlier versions, i didn’t even try them.
- It should work for XP/2003 x64 editions too, would be great if anyone will confirm.
- It will work for 2000 only if original XP/2003 package supports it.

You can download PhysX mod 1.02 directly from our server (not available) *

Mirror #1 (thanks to Alexandr82)

Update #2: 1.02 mod is working with new 196.21 drivers.

Update #4: 1.02 mod may not work properly with 196.75/197.xx drivers, users are also reporting incompatibility with 9.10.0222 PhysX System Software.

In addition, original post contains mod for PhysX drivers 9.09.30, that allows to use original Ageia PPU with ATI cards.

Please use commentaries to this post or thread at NGHQ forums to report errors, if they’ll occur. Reports with positive results are also appreciated.

Update: Installation instructions – Link#1 | Link#2 | Link#3 (Please note that most of them refer to old PhysX mod 1.01 – use 1.02 mod instead, download link above) | Link#4 | Link#5 (video guide) | Link#6 (specific details) | Link#7 (Italian video guide) | Link#8 | Link#9 (detailed) <- it’s recommended to start from newer links.

Hybrid PhysX systems benchmarks: HD4870/5870+9500/9600GT | HD4850/5750+9800GT | HD5870+GT220 | 2xHD5870 + 9800GT | HD5870/GTX285 + 9800GT

Dedicated PhysX GPU performance dependence on PCI-E bandwidth

Update #3: Catalyst 10.2 and extended display error fix – in addition, you’ll be able to use dedicated NV GPU for PhysX without necessity to extend display.

* PhysXinfo is not responcible for any harm this file can cause to your system. Use it for your own risk.

Written by Zogrim

November 29th, 2009 at 2:07 am

Posted in Hybrid PhysX

Tagged with , , ,

Hybrid PhysX HD 4850/5750 + 9800 GT benchmarks

without comments

Adoption of hybrid ATI + Nvidia PhysX configurations is growing day by day. We wrote recently about some benchmarks using hybrid PhysX setup, and now BodNara website has published an article, that is investigating perfomance in games with GPU PhysX support using ATI HD 4850/5750 + NV 9800GT configuration.

Test setup: Intel Core I7 860 CPU, Asus P7P55D Motherboard, 2GB DDR3 RAM, 32-bit Win 7 Ultimate OS, Catalyst 9.9 and ForceWare 191.07 drivers

batman

dod

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Written by Zogrim

October 28th, 2009 at 9:18 pm

Posted in Hybrid PhysX

Tagged with , ,

ATI HD 5870 + NV GT 220 PhysX Benchmarks

with 8 comments

Two questions may bother some people, interested in PhysX nowadays  – “Are those hybrid ATI+NV PhysX configurations really working ?” and “How new GeForce GT 220 can perform as dedicated PhysX card ?“. User soothepain from coolaler.com forums has performed a bunch of tests, that can answer both of those questions.

ati_nv

System, used for benchmarks includes Intel Core i7 975 Extreme CPU, 6GB DDR3 RAM, EVGA Classified X58 Motherboard, ATI HD 5870 and Nvidia GeForce GT 220 GPUs running on Windows 7 RC7100 64-bit OS.

Three setups were tested:

Single GT 220 (Both graphics and PhysX processing)

Single HD 5870 (CPU is calculating all PhysX effects in this case)

HD 5870 for graphics + GT 220 for PhysX (using GenL Mod)

Test results:

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Written by Zogrim

October 21st, 2009 at 3:12 pm

Posted in Hybrid PhysX

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Official Nvidia position on hybrid ATI+NV PhysX configurations

with 19 comments

Nvidia_logo

Back again on banned ATI+Nvidia PhysX configurations situation.  Initially, all the hype was based on e-mail from customer care support, while Nvidia official motives were undisclosed.  In order to bring some clarity, we’ve asked Nvidia for commentaries a while ago and finally recieved some answers:

PhysXInfo: Is it true that PhysX capabilities of NVIDIA GPUs and/or Ageia PPUs are disabled with newest drivers when a Non-NVIDIA (AMD) graphics card is present in the system?
Nvidia: It is true that running an NVIDIA GPU for PhysX with an AMD GPU for graphics is not a supported configuration. This mode was inadvertently turned on in a beta version of our Win7 drivers and on some older XP drivers. AMD does not support PhysX for their customers, and we don’t QA this configuration. With no QA, it is risky to run this configuration so we removed this capability in a recent driver release.

PhysXInfo: Can you please explain to us what factors have led to such decision?
Nvidia: Today NVIDIA’s GPU and PhysX drivers are interconnected to optimize performance. In the future we expect this interdependence to deepen. This alone makes it difficult to support a third party GPU.

In order to make sure our customers have a great experience, we QA every release of our PhysX or Graphics drivers by testing approximately 14 NVIDIA GPUs for graphics processing with 8 GPUs for PhysX processing on 6 common platforms with 6 OS’s using 6 combinations of CPU and memory. This is over 24000 possible configurations. While we don’t test every possible combination, it should be clear that the work and cost to NVIDIA is substantial. AMD does not support PhysX for their customers. Adding AMD GPUs would significantly increase the necessary work and cost for NVIDIA. We prefer to invest in inventing new technologies that give our customers great new experiences.

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Written by Zogrim

October 9th, 2009 at 10:44 am

PhysX Hybrid Setup video proof: HD5870 + 8800GT

with one comment

OCteam.fr has prepared nice video, showcasing how hybrid PhysX configuration (ATI Radeon HD 5870 for graphics and Nvidia GeForce 8800GT for PhysX) is handling latest GPU PhysX games using drivers, modified by GenL. Surprisingly it’s working pretty well – Batman Arkham Asylum, Cryostasis, Mirror’s Edge, Star Tales, demos from PowerPacks, even badaboom transcoding are running without serious glitches.

Update: the way with modified drivers looks wrong to you ? Try to convince Nvidia by signing Returning PhysX to Nvidia customers petition.

Source: OCteam.fr

Written by Zogrim

October 7th, 2009 at 11:00 am

Posted in Hybrid PhysX

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