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DirectCompute & OpenCL Benchmark
Old 7 December 2009, 16:41   #1
Pat
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Posts: 133
CPU: i7 920 @ 3.33GHz
GPU: HD4890+9800GT ECO
M/B: Rampage II Extreme
RAM: 3GB DDR3 1600MHz CL6
PSU: Tagan 600W
Hi!

Since we've already got couple of threads regarding DirectCompute Benchmark, I decided to clean up this mess and to open a new thread for any new/beta version and for your feedback including bug reports and general questions.

I will update those files as soon as I have something new to share There will be always the latest version attached to this post.

Greetings!
Pat.

Attached Files
File Type: zip DirectComputeBenchmark_v0_42b.zip (518.7 KB, 3450 views)
File Type: zip DirectComputeBenchmark_v0_43b.zip (520.1 KB, 2884 views)
File Type: zip DirectComputeBenchmark_v0_44b.zip (411.8 KB, 3974 views)
File Type: zip DirectComputeBenchmark_v0_45b.zip (426.8 KB, 29462 views)

Last edited by Pat; 22 December 2009 at 23:59.. Reason: Version update.
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Old 7 December 2009, 22:20   #2
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PSU: Zalman ZM460B-APS
That problem is gone now, but where's "Bench'em all" option?

NVIDIA GeForce GTX 260 @ 1296 MHz (10DE / 5E2 / 20D5107D)
Intel(R) Core(TM)2 Duo CPU E8500 @ 3.16GHz (2 logical CPUs)

DirectCompute: D484.0
OpenCL: C708.1
CPU: M19.2

NVIDIA Windows Kernel Mode Driver, Version 195.62
nvlddmkm 8.17.11.9562
Windows 7 x64 Ultimate Edition (build 7600)
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Old 8 December 2009, 02:10   #3
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CPU: Q9300@2.5GHz
GPU: HD4850 + GT240(PhysX)
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PSU: XW4600
Ran your benchmark a number of times (OpenCL mainly) no lockups and consistant results C281.4-281.9 (6 runs). But windows 7 64bit has turned off aero a couple of times. Not sure if its your bench or something else will try a few more from fresh boot. What kind of feedback do you need, lockup reports or variations in results ?
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Old 8 December 2009, 10:27   #4
Pat
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RAM: 3GB DDR3 1600MHz CL6
PSU: Tagan 600W
Quote:
Originally Posted by Framp66 View Post
Ran your benchmark a number of times (OpenCL mainly) no lockups and consistant results C281.4-281.9 (6 runs). But windows 7 64bit has turned off aero a couple of times. Not sure if its your bench or something else will try a few more from fresh boot. What kind of feedback do you need, lockup reports or variations in results ?
Hi! I'm not touching aero so probably Windows decided to turn it off. I'm happy that the lockup issue is now gone

Is this score from your 4850 or GT240? (I assume it's geforce score). Did you try the Combined OpenCL test? I've seen the 4850 (at stock 625MHz) doing about C1500 alone so it should be about C1700 in combined benchmark.

Generally I need a feedback from users having dual GPU cards or two same cards (but thanks for your results anyway, I never seen any GT240 scores), expecially from 4870 X2, 5970, GTX295. I wonder how those dual-gpu cards are recognized (one adapter in the combo box or two adapters) and if the combined benchmarks use both GPUs.

The same questions for two same cards, especially if the combined results differ from normal OpenCL/DirectCompute results. I could only try HD4890+9800GT and the combined score (OpenCL) is about 95% of the sum of separate OpenCL benchmarks.
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Old 8 December 2009, 10:38   #5
Pat
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CPU: i7 920 @ 3.33GHz
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PSU: Tagan 600W
Quote:
Originally Posted by MASTAN View Post
That problem is gone now, but where's "Bench'em all" option?
Ups, I forgot But I added the Results window

Quote:
Originally Posted by MASTAN View Post
NVIDIA GeForce GTX 260 @ 1296 MHz (10DE / 5E2 / 20D5107D)
Intel(R) Core(TM)2 Duo CPU E8500 @ 3.16GHz (2 logical CPUs)

DirectCompute: D484.0
OpenCL: C708.1
CPU: M19.2
That's strange, I get C790/D910 for my 9800GT (750/1750/1011, 112 shaders) I would expect both scores lower or higher, not one lower and one almost higher...

Can you underclock your card to the half of the clocks (if it's possible for GTX260, I know it's possible for my 9800gt) and check if the scores drop by half?

What is the temperature of the GPU during the benchmark? Try running couple of tools like FluidMark, some other PhysX examples (to be sure the GPU load is about 100%) and compare the GPU temp. (unless you got GPU Load sensor like most ATI cards and could just read the value from GPU-Z )
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Old 8 December 2009, 21:31   #6
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CPU: Core 2 Duo E8500
GPU: Geforce GTX 260(216sp)
M/B: ASUS P5K
RAM: Corsair XMS2 2x2Gb
PSU: Zalman ZM460B-APS
In my case GPU-Z shows GPU Load, Memory Controller Load and Video Engine Load. I've retested with standard clocks:
Values for Idle/DirectCompute/OpenCL/FurMark:
GPU Core Clock 400/602/602/602
GPU Memory Clock 300/1107/1107/1107
GPU Shader Clock 800/1296/1296/1296
Fan Speed 40%/57%/75%/100% (100% - 3100 RPM)
GPU Load 0-2%/94-98%/96-98%/99%
Memory Controller Load 2%/18%/51%/70%
Video Engine Load 0%/0%/0%/0%

Furmark was in fullscreen 1680x1050, MSAA 16x. Reached 100% in just two minutes. Values for DC/OCL were taken about the end of test(no less than 10 minutes).

Fan speed is quite reliable source of gpu load by my observation. GPU temperature is not, because fan speed rises quite gradually, while temperature almost not. Anyway in FurMark temperature reached 89 C after some minutes and 100% fan speed, so this card don't have overheating problem.

I wondered what Video Engine was, then I supposed it was about video decoding acceleration and ran MPC HomeCinema (with built-in H264 DXVA decoder) 1080p movie. Video Engine Load counter finally come to life and was 26-50%, depending on scene complexity.

With standard clock result values were D482.6/C704.8, pretty close to previous.
Then I downclocked card with RivaTuner. But setting GPU Core value to 300 MHz(half of original) made screen flash after I ran the test and I've set it to 2D default value, 400 MHz. Also I've lowered other values to minimum in RivaTuner.
Finally core/memory/shader clock - 400/555/861, test result is D310.0/C475.6.
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Old 8 December 2009, 21:46   #7
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CPU: Q9300@2.5GHz
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M/B: XW4600
RAM: 2GB
PSU: XW4600
Quote:
Originally Posted by Pat View Post

Is this score from your 4850 or GT240? (I assume it's geforce score). Did you try the Combined OpenCL test? I've seen the 4850 (at stock 625MHz) doing about C1500 alone so it should be about C1700 in combined benchmark.
The score is GT240 only, the HD4850 has fan problem (underclock to get it to run). Once heatsink and fan replaced i will try each combination.
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Old 8 December 2009, 22:30   #8
Pat
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CPU: i7 920 @ 3.33GHz
GPU: HD4890+9800GT ECO
M/B: Rampage II Extreme
RAM: 3GB DDR3 1600MHz CL6
PSU: Tagan 600W
Quote:
Originally Posted by Framp66 View Post
The score is GT240 only, the HD4850 has fan problem (underclock to get it to run). Once heatsink and fan replaced i will try each combination.
Ok, thanks. Waiting your combined results then
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Old 8 December 2009, 22:34   #9
Pat
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Posts: 133
CPU: i7 920 @ 3.33GHz
GPU: HD4890+9800GT ECO
M/B: Rampage II Extreme
RAM: 3GB DDR3 1600MHz CL6
PSU: Tagan 600W
A new version is available Changelog included in the archive, this time no big difference from the users point of view, some bugfixes like usually

MASTAN, you got your button finally
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Old 9 December 2009, 08:29   #10
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Great looking benchmark - but I'm still having trouble getting it to run properly on my 4870X2. When I run the OpenCL benchmark it always returns:
GPU checksum: 0.000000
CPU checksum: 240.105750
*** FAILED! ***

I'm willing to help out with any testing needed to resolve this issue on what appears to be X2 cards if there's anything I can do to help.
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