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DirectCompute Benchmark 0.35
Old 24 November 2009, 04:10   #1
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Our very own Pat has released a new version of his DirectCompute Benchmark. This small tool now allows you to benchmark both DirectCompute and OpenCL general-purpose computing APIs by calculating tons of FFT-like data and some memory transfers. This version adds full OpenCL support, shaders profile selection, versions reporting and some basic results validations.

DirectCompute is an application programming interface that takes advantage of the massively parallel processing power of a modern graphics processing unit to accelerate PC application performance in Microsoft Windows Vista or Windows 7. DirectCompute is part of the Microsoft DirectX collection of APIs.

OpenCL is a framework for writing programs that execute across heterogeneous platforms consisting of CPUs, GPUs, and other processors. OpenCL includes a language for writing kernels, plus APIs that are used to define and then control the platforms. OpenCL provides parallel computing using task-based and data-based parallelism.

Minimum Requirements
Windows Vista SP2 or Windows 7
DirectX 11
Latest DirectX End-User Runtimes
GPU with DirectX 10 support and above.

Recommended Drivers
ATI Catalyst 9.12
ATI Stream SDK 2.0 Beta 4 with OpenCL Drivers
Nvidia ForceWare 195.81

Download this file in our downloads section.

Last edited by Regeneration; 18 December 2009 at 02:21..
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Old 24 November 2009, 04:28   #2
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Nice, keep the great work up!

EDIT: How did you get those OpenCL scores??? Did not work on my 5870 with cat 9.11?

EDIT2: Oh nevermind, I saw now that you need the beta OpenCL drivers. Will test soon with those drivers, thx anyways..
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Last edited by HaZe303; 24 November 2009 at 04:35..
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Old 24 November 2009, 05:17   #3
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Nice!!!
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Old 24 November 2009, 06:43   #4
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nice way to compare ati vs nvidia then
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Old 24 November 2009, 09:28   #5
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Originally Posted by HaZe303 View Post
Nice, keep the great work up!

EDIT: How did you get those OpenCL scores??? Did not work on my 5870 with cat 9.11?

EDIT2: Oh nevermind, I saw now that you need the beta OpenCL drivers. Will test soon with those drivers, thx anyways..
For ATI, you need 9.11+ (beta or 'full') AND ATI Stream v2.0 beta4 SDK installed. ATI Catalyst does not include OpenCL.dll (Forceware 195+ does) so you need this SDK to get it working. It's not big deal, SDK is about 32MB and you can install just 'dev' part (13MB) without samples. It will install OpenCL.dll in C:\Program Files\ATI Stream\bin\x86 for the default x86 settings and add this path to the system PATH variable.

The screens with HD5xxx scores are not mine I own only 4890
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Old 24 November 2009, 09:45   #6
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i know someone in my neighbour village who sells a 5870 for 360 euro, used
although you cannot get hands on one here, it seems noone is interested in it too *lol*
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Old 24 November 2009, 10:29   #7
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i know someone in my neighbour village who sells a 5870 for 360 euro, used
although you cannot get hands on one here, it seems noone is interested in it too *lol*
I'm a big fan of Vapor-X solutions from Sapphire, my Toxic 4890 is really great and I'm waiting for 5870 Toxic/Atomic edition. They already released Vapor-X version but I'll wait for Toxic I can find ASUS 5870 (new) for 390 euro on our auction service (allegro.pl) but it's still a reference design. (no OC, hot and noisy)
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Old 24 November 2009, 11:24   #8
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Can someone plz explain how scores are interpreted?i see Letters and numbers as well in scores,tell me how it works...Thnx in advance
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Old 24 November 2009, 13:08   #9
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Can someone plz explain how scores are interpreted?i see Letters and numbers as well in scores,tell me how it works...Thnx in advance
Letters are only to describe values so when you post/compare results like "D1234/C567/M89" it should be clear that 1234 is DirectCompute result, 567 is for OpenCL and 89 for CPU. No more M/S confusing subresults The numbers are (should be, it's still 0.xx version) comparable, the codepath is the same for CPU/GPU and for DirectCompute/OpenCL.

The tool is still under development so you should not compare results from the different benchmark versions.
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Old 25 November 2009, 01:57   #10
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Hi, I installed the AMD SDK beta4 in Windows7(7100)/4870, CAT911final, but the utility show me "No OpenCL Support". I copied the OpenCL_ATI.DLL in directory OpenCL, too.. but fail yet... what i do now?
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