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Messages - Stefan

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3D-Tech News Around The Web / AMD Enduro System for Developers
« on: October 05, 2015, 02:21:12 PM »
From the consumer perspective, AMD Enduro™ technology regulates your notebook’s GPU, giving you an instant boost in graphics performance when you need it and consuming almost zero watts of power when you don’t. This can give you great battery life when using AMD FirePro™ professional graphics or AMD Radeon™ graphics. You can find more information about AMD Enduro technology here.

However, this means that as a developer, you don’t have control over which processor – CPU, integrated GPU (iGPU), or discrete GPU (dGPU) – runs your code. This may not work for you as a developer. As a developer you may need to force your application to run on the discrete GPU.

This blog shows you how to do that

minor update:

Highlights of AMD Catalyst™ 15.9.1 Beta Windows Driver
Resolved Issues:
  • [77609] A video memory leak can occur when browser and other windows are resized

3D-Tech News Around The Web / Re: Intel HD Graphics Driver v4285
« on: October 01, 2015, 01:29:06 PM »
I looked around further on the net:

recent NVIDIA drivers block AMD, i.e. you can't use them together.
A hack can be found here
but i didn't read all posts how well it works

From my understanding multi-adapter rendering is not provided automatically by Windows 10, but must be programmed into each new application.
So older games/apps need to be updated.

Asteroids and DirectX* 12: Performance and Power Savings

With this demo, we have shown that DirectX 12 enables significant improvements in both power and performance. This demo was created to show the two extremes: fixed power and fixed workload. In reality developers can choose any desired blend of power and performance for their applications.

The main takeaway is that power and performance are inseparably linked. Conventional notions of "CPU versus GPU bound" are misleading on modern devices like the Surface Pro 3. An increase in CPU power efficiency can be used for more performance even if an application is not "CPU bound."

3D-Tech News Around The Web / Re: Intel HD Graphics Driver v4285
« on: September 30, 2015, 04:16:36 PM »
If you select IGPU in NVIDIA control panel, both are active: Intel for rendering, NVIDIA for computing.
I'll check later if that speeds up things.

Multi-adapter rendering is still in its infancy, check out:

DirectX 12 Multiadapter: Lighting up dormant silicon and making it work for you
DirectX 12 Multi-Adapter Sample

3D-Tech News Around The Web / Re: Intel HD Graphics Driver v4285
« on: September 30, 2015, 01:57:22 PM »
Screenshot was from an Optimus laptop.
I think fields should have an Optimus hint.
I asked the author.

Quote from: W1zzard
PhysX is a system-wide capability

For comparison a screenshot from GPU Capsviewer and GPU Shark.
I selected IGPU in NVIDIA control panel for both global and program setting first and still Intel is detected as second GPU.

Also check out this article from the author of Shadertoy, who confirms that Optimus technology is a PITA.

3D-Tech News Around The Web / (WebGL) Suissemania
« on: September 29, 2015, 09:20:10 AM »

Migros, Switzerland’s largest retailer, holds a yearly campaign called the Mania.

This year’s mania is called Suisse Mania and revolves around collecting places of importance to Switzerland, for example the mountain Matterhorn, the CERN research facility and castles dating back to the 13th century.

3D-Tech News Around The Web / AMD Catalyst 15.9 Beta Driver for Windows
« on: September 29, 2015, 08:38:54 AM »
Highlights of AMD Catalyst™ 15.9 Beta Windows Driver
Performance Optimizations
    • Star Wars™: Battlefront Beta - Performance and quality optimizations
    • Fable Legends : Includes the latest DirectX
      12 optimizations for the Fable Legends: Benchmark
Resolved Issues:
    • [59474] Diablo 3 crashes in the Act 2 Desolate Sands area of the game
    • [59081] The AMD Catalyst Control Center 'update' option fails to download the latest driver
    • [58800] Dragon Age: Inquisition may crash if launched in Mantle mode
    • [58781] The DirectX
      Diagnostic tool does not report DirectX
      12 available on supported products
    • [58677] World of Warships may crash on some AMD Radeon HD5000 and HD6000 series products
    • [58646] Assassin's Creed
      Unity may experience minor frame stutter when AMD CrossFire™ mode is enabled
    • [58485] Anti Aliasing settings not being retained after changes are applied
    • [58450] Some BENQ 144hz Freesync™ monitors may lose the signal while uninstalling the driver
    • [58495] DiRT Rally™ crashes during gameplay and benchmarking when launched in DirectX
      11 mode on some BENQ 144HZ Freesync monitors

3D-Tech News Around The Web / Intel HD Graphics Driver v4285
« on: September 29, 2015, 08:19:54 AM »
 Download from Microsoft

 no change log available, latest was for v4279

When approached a couple of weeks ago by Microsoft with the opportunity to take an early look at an upcoming performance benchmark built on a DX12 game pending release later this year, I of course was excited for the opportunity. Our adventure into the world of DirectX 12 and performance evaluation started with the 3DMark API Overhead Feature Test back in March and was followed by the release of the Ashes of the Singularity performance test in mid-August. Both of these tests were pinpointing one particular aspect of the DX12 API - the ability to improve CPU throughput and efficiency with higher draw call counts and thus enabling higher frame rates on existing GPUs.
This benchmark focuses more on the GPU side of DirectX 12 - on improved rendering techniques and visual quality rather than on the CPU scaling aspects that made Ashes of the Singularity stand out from other graphics tests we have utilized. Fable Legends is more representative of what we expect to see with the release of AAA games using DX12. Let's dive into the test and our results!

Continue reading our look at the new Fable Legends DX12 Performance Test at PCPER

Also tested at AnandTech

3D-Tech News Around The Web / NVIDIA GeForce driver 356.04
« on: September 24, 2015, 02:36:28 PM »
NVIDIA's Windows driver version 356.04 (released 09-22-15) provides beta support for GameWorks VR. 
It is recommended that all VR developers upgrade to this driver!

 Fixes (over 355.84):  Updated driver support for GameWorks VR SDK, adding notebook support, VR SLI enhancements, and bug fixes.

3D-Tech News Around The Web / Re: DirectX 12 Multi-Adapter Sample
« on: September 24, 2015, 02:20:24 PM »

Today we are releasing Windows 10 Insider Preview Build 10547 to Windows Insiders on the Fast ring. As usual, this build includes bug fixes and improvements over Build 10532 and also includes some new things for you to try and send us feedback on what you see.


AMD Catalyst™ Driver for World of Warships for Windows®

This alpha driver contains day one support for World of Warships for the selected products listed. This driver also resolves a crash some users may experience when using those products with this game.

Package Contents

The AMD Catalyst™ Software Suite contains the following:

        ​​​AMD Catalyst™ Display Driver version 15.201.1151

AMD Catalyst™ 15.9 Proprietary Linux Graphics Driver

This document provides information about the latest posting of the AMD Catalyst™ 15.9 Proprietary Linux Graphics Driver.
 Linux Distributions Supported: This version of the AMD Catalyst™ Linux Proprietary Graphics Driver is designed to support the following Linux distributions:
 Distributions supported:
  • Red Hat Enterprise Linux Suite 7.1, 7.0, 6.6, 6.5
  • Ubuntu 12.04.4 LTS, 14.04.2, 15.04
  • SUSE® Linux Enterprise 11 SP3, 12
  • OpenSuSE 13.1
Distribution specific packages are available for:
  • Red Hat Enterprise Linux Suite 7.1, 7.0, 6.6, 6.5
  • Ubuntu 12.04.4 LTS, 14.04.2​
Resolved Issues:
  • [425910] Driver installation sometimes fails on Ubuntu 14.04.3
  • [424450] Company of Heroes® 2 - Game crashes while running the performance test
  • [424794] Middle-earth™: Shadow of Mordor - Corruption observed in game
  • [424882] DIRT® Showdown - Corruption observed in game
  • [425234] DIRT® Showdown - Game crashes after the loading screen
  • [424802] DOTA™ 2 – Application hang observed while exiting the game
  • [424255] AMD Catalyst™ Installer removing EGL links resulting in Xserver/Xorg load failure
  • [423471] Unable to switch desktop mode after installing AMD Catalyst™ driver
  • [423735] Renaming Counter-Strike: GO and other Steam game binary improves performance

Known Issues:
  • [419960]: Vari-Bright on some configurations is not decreasing brightness as expected
  • [425912] Alien: Isolation - Blank screen or corruption observed on the main menu in game

Swiss First to Tap GPUs to Improve National Weather Forecasts

... thanks to GPU-accelerated computing, the Swiss have made significant advancements in their ability to predict storms and other weather hazards with higher levels of accuracy.
The Swiss Federal Office of Meteorology and Climatology, MeteoSwiss, is the first major national weather service to deploy a GPU-accelerated supercomputer to improve its daily weather forecasts.
he new MeteoSwiss system is based on the Cray CS-Storm cluster supercomputer, one of the highest density GPU-accelerated systems available today. Expected to be fully operational by next summer, the MeteoSwiss system is housed at the Swiss National Supercomputing Centre in Lugano, Switzerland. It’s powered by NVIDIA Tesla K80 GPU accelerators — the flagship of our Tesla Accelerated Computing Platform.

3D-Tech News Around The Web / DirectX 12 Multi-Adapter Sample
« on: September 15, 2015, 08:29:45 AM »
Sample implementing explicit multi-adapter using DirectX 12. Showcases parallel rendering of ray-traced scene.

Benchmarks at

NVIDIA® Nsight™ Development Platform, Visual Studio Edition brings GPU Computing into Microsoft Visual Studio. Build, Debug, Profile and Trace heterogeneous compute and graphics applications using CUDA C/C++, OpenCL, DirectCompute, Direct3D, and OpenGL.

5.0 adds support for Visual Studio 2015 and debugging applications that use the new Direct3D 12 API. This is a release candidate build. For the latest stable version, please refer to Nsight Visual Studio Edition 4.7.

Complete list of exciting 5.0 features.

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