New AMD R7, no GPU tasks


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Questions and Answers : GPU applications : New AMD R7, no GPU tasks

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akambience
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Message 1507896 - Posted: 24 Apr 2014, 5:43:38 UTC

I just upgraded my video card, however, i'm not getting any GPU tasks. Drivers are current, I uninstalled and re-installed, but still nothing. Any ideas?

4/23/2014 10:29:52 PM | | cc_config.xml not found - using defaults
4/23/2014 10:29:52 PM | | Starting BOINC client version 7.2.42 for windows_x86_64
4/23/2014 10:29:52 PM | | log flags: file_xfer, sched_ops, task
4/23/2014 10:29:52 PM | | Libraries: libcurl/7.25.0 OpenSSL/1.0.1 zlib/1.2.6
4/23/2014 10:29:52 PM | | Data directory: C:\ProgramData\BOINC
4/23/2014 10:29:52 PM | | Running under account ambience
4/23/2014 10:29:52 PM | | OpenCL: AMD/ATI GPU 0: Bonaire (driver version 1348.5 (VM), device version OpenCL 1.2 AMD-APP (1348.5), 2048MB, 2048MB available, 1316 GFLOPS peak)
4/23/2014 10:29:52 PM | | OpenCL CPU: AMD A10-6800K APU with Radeon(tm) HD Graphics (OpenCL driver vendor: Advanced Micro Devices, Inc., driver version 1348.5 (sse2,avx,fma4), device version OpenCL 1.2 AMD-APP (1348.5))
4/23/2014 10:29:52 PM | | Host name: ambience-PC
4/23/2014 10:29:52 PM | | Processor: 4 AuthenticAMD AMD A10-6800K APU with Radeon(tm) HD Graphics [Family 21 Model 19 Stepping 1]
4/23/2014 10:29:52 PM | | Processor features: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 htt pni ssse3 fma cx16 sse4_1 sse4_2 popcnt aes syscall nx lm svm sse4a osvw ibs xop skinit wdt lwp fma4 tce tbm topx page1gb rdtscp
4/23/2014 10:29:52 PM | | OS: Microsoft Windows 7: Ultimate x64 Edition, Service Pack 1, (06.01.7601.00)
4/23/2014 10:29:52 PM | | Memory: 7.96 GB physical, 15.92 GB virtual
4/23/2014 10:29:52 PM | | Disk: 111.69 GB total, 22.31 GB free
4/23/2014 10:29:52 PM | | Local time is UTC -7 hours
4/23/2014 10:29:52 PM | SETI@home | URL http://setiathome.berkeley.edu/; Computer ID 7266469; resource share 100
4/23/2014 10:29:52 PM | | No general preferences found - using defaults
4/23/2014 10:29:52 PM | | Reading preferences override file
4/23/2014 10:29:52 PM | | Preferences:
4/23/2014 10:29:52 PM | | max memory usage when active: 4075.91MB
4/23/2014 10:29:52 PM | | max memory usage when idle: 7336.64MB
4/23/2014 10:29:52 PM | | max disk usage: 22.23GB
4/23/2014 10:29:52 PM | | max CPUs used: 3
4/23/2014 10:29:52 PM | | suspend work if non-BOINC CPU load exceeds 35%
4/23/2014 10:29:52 PM | | (to change preferences, visit a project web site or select Preferences in the Manager)
4/23/2014 10:29:52 PM | | Not using a proxy
4/23/2014 10:29:54 PM | | Suspending computation - user request
4/23/2014 10:30:43 PM | | No general preferences found - using defaults
4/23/2014 10:30:43 PM | | Reading preferences override file
4/23/2014 10:30:43 PM | | Preferences:
4/23/2014 10:30:43 PM | | max memory usage when active: 4075.91MB
4/23/2014 10:30:43 PM | | max memory usage when idle: 7336.64MB
4/23/2014 10:30:43 PM | | max disk usage: 22.23GB
4/23/2014 10:30:43 PM | | max CPUs used: 3
4/23/2014 10:30:43 PM | | suspend work if non-BOINC CPU load exceeds 35%
4/23/2014 10:30:43 PM | | (to change preferences, visit a project web site or select Preferences in the Manager)
4/23/2014 10:31:44 PM | SETI@home | Sending scheduler request: To fetch work.
4/23/2014 10:31:44 PM | SETI@home | Requesting new tasks for ATI
4/23/2014 10:31:46 PM | SETI@home | Scheduler request completed: got 0 new tasks
4/23/2014 10:40:51 PM | SETI@home | Sending scheduler request: To fetch work.
4/23/2014 10:40:51 PM | SETI@home | Requesting new tasks for ATI
4/23/2014 10:40:53 PM | SETI@home | Scheduler request completed: got 0 new tasks

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Message 1507965 - Posted: 24 Apr 2014, 10:54:33 UTC - in response to Message 1507896.

4/23/2014 10:29:52 PM | | OpenCL: AMD/ATI GPU 0: Bonaire (driver version 1348.5 (VM), device version OpenCL 1.2 AMD-APP (1348.5), 2048MB, 2048MB available, 1316 GFLOPS peak

Here at Seti, there is a requirement for the default applications GPU that the AMD GPU has CAL support, even for OpenCL usage. Your GPU does not have CAL support, AMD didn't add it. Doesn't matter which drivers you install, your card will only show up as OpenCL capable.

And with that you cannot get work from the server. Not with the default applications. So in that case, you'll have to use third party applications, such as the Lunatics applications, which use the anonymous platform and when newer versions are released in the future, rely on you to update them then. See https://setiathome.berkeley.edu/forum_thread.php?id=71867 for more information and the link to the thread with a lot of reading to do.
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akambience
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Message 1508096 - Posted: 24 Apr 2014, 17:58:25 UTC - in response to Message 1507965.

thank you for your informative reply. My possessor has an integrated gpu as well. Do neither of my gpu chips not have CAL support? (sorry about the double negative)

4/24/2014 10:16:53 AM | | OpenCL: AMD/ATI GPU 0: Bonaire (driver version 1348.5 (VM), device version OpenCL 1.2 AMD-APP (1348.5), 2048MB, 2048MB available, 1316 GFLOPS peak)

4/24/2014 10:16:53 AM | | OpenCL CPU: AMD A10-6800K APU with Radeon(tm) HD Graphics (OpenCL driver vendor: Advanced Micro Devices, Inc., driver version 1348.5 (sse2,avx,fma4), device version OpenCL 1.2 AMD-APP (1348.5))

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Message 1508223 - Posted: 24 Apr 2014, 23:32:12 UTC - in response to Message 1508096.

To be specific, AMD's Computer Abstraction Layer (or CAL) was a software development before there was OpenCL (not to be confused with OpenGL). From Wikipedia:

Another important part of the SDK, the Compute Abstraction Layer (CAL), is a software development layer aimed for low-level access, through the CTM hardware interface, to the GPU architecture for performance tuning software written in various high-level programming languages.

In August 2011, AMD released version 2.5 of the ATI APP Software Development Kit, which includes support for OpenCL 1.1, a parallel computing language developed by the Khronos Group. The concept of compute shaders, officially called DirectCompute, in Microsoft's next generation API called DirectX 11 is already included in graphics drivers with DirectX 11 support.


With the release of OpenCL 1.1 and Microsoft's DirectX 11 both supporting all the features needed for GPGPU computing, AMD has deprecated CAL in it's software, and many CAL functions will not work on AMD HD7000 series and later graphics cards.

Your AMD A10-6800K APU is a Richland core with an integrated AMD HD8000 series graphics chip, which means that most CAL functions will not work correctly on it either.

The only work-around is to either wait for the project to release an updated application that doesn't require CAL (the current stock application was written by a volunteer, so it could happen, though I have no idea when), or you can use a third-party application such as the Lunatics apps as Ageless suggested which do not require CAL but still work with SETI@home.

akambience
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Message 1508465 - Posted: 25 Apr 2014, 17:36:21 UTC - in response to Message 1508223.

Gentleman (or ladies),
Thank you for you wealth of knowledge.

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Message 1509367 - Posted: 28 Apr 2014, 2:53:31 UTC - in response to Message 1508223.
Last modified: 28 Apr 2014, 2:56:02 UTC

The only work-around is to either wait for the project to release an updated application that doesn't require CAL

I don't think that the current stock ATI AMD SETI@home applications require CAL
(they are the same 'Lunatics apps' just older versions)

The problem is only some check done by the server on the version of CAL
The server thinks that if the version of CAL is too low or no CAL support reported that the driver is too old to support OpenCL

Now that the new GPUs/drivers do not have CAL this server check have to be reworked

The same problem was noted here:
http://setiathome.berkeley.edu/forum_thread.php?id=74585&postid=1504605#1504605


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Questions and Answers : GPU applications : New AMD R7, no GPU tasks

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