Problem in binary size
Hi. I am developing some application with AMD OpenCL.But as I compiled certain small CL code, its binary size was too big, so program was down.When I use NVIDA or Intel OpenCL Compiler, it works...
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OpenCL with quad watercooled Radeon 7990s
The cards finally arrived: These are the 'workstation edition' of the Powercolor 7990 Devil13; to the best of my knowledge we are the only customer to have these. Currently testing them with the...
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mad_hi(uint) slower than mul_hi + addition
Hi, I'm working with 96-bit unsigned integers by using 3x32-bit uints, several of them in parallel in a vector: #define CON2(a,b) a##b#define CONC(a,b) CON2(a,b)#define VECTOR_SIZE 2// #define...
View ArticleHow can I optimise my algorithm?
I am trying to increase throughput by using AMD GPGPU and OpenCL, and I am getting less performance than a CPU using a loop. Also take note: this is my first openCL kernel so I understand if it is...
View ArticleBufferBandwidth Test on FirePro-8750
Hi, The output of BufferBandwidth on FirePro-8750 is: Selected Platform Vendor : Advanced Micro Devices, Inc.Device 0 : ATI RV770Expected Error: Device does not support...
View ArticleOpenCL 1.1 Download Archive page gives 404 Not Found!
Does anyone have a direct link to the OpenCL 1.1 download archive page?I need 1.1 as it's still our internal standard until Nvidia and Intel support it.I followed the AMD Web page link to the...
View ArticleCL-GL interop not properly displaying texture on CPU
Please, consider the simple example https://code.google.com/p/opencl-book-samples/source/browse/trunk/src/Chapter_10/GLinterop/GLinterop.cpp.While the program generates properly output on GPU (gradient...
View ArticleSupport of big kernels
Dear AMD SDK Team, I'm currently working on a OpenCL kernel that contains a lot of code, some parts of this kernels are dynamically generated and the minimum size of the kernel is 8000 lines. Since a...
View Articlemul24_hi in OpenCL
Hi, the GPUs as well as the AMD-IL have an instruction for mul24_hi (unsigned as an example, but exists also for signed):Evergreen/Cayman: MULHI_UINT24GCN: V_MUL_HI_U32_U24IL: UMUL24_high (...
View ArticleWhile loop executed twice by a work-group
Well the problem I have is the following: I have this kernel that tries to calculate the betweenness centrality of a graph in parallel. What happens is actually very strange since a loop is executed...
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Behavior of any() function containing a scalar expression
I found a line in my kernel code that works fine for int2 or int3, but not for int. In the following code the "Do something" expression is never executed when using type int as shown, even when it...
View Articleopencl learning
hello.I'm new to opencl and i wish start a plane of study on it.I know opengl and shader and a little of cuda, but it's not open then i'm wish migrate to opencl.What are some good books or some...
View ArticleRegarding OpenVideo samples
HI all I am a newbie and trying to learn Video Encoding and Decoding on AMD platformI have download the sample and trying to understand what exactly does the sample do Based on that I have few...
View ArticleApple's FFT on AMD cards with C++ OpenCL API
Hi, I'm trying to run Apple's clFFT on AMD cards using the OpenCL C++ API, tocreate the platform, context and devices, queues. It seems that it works onlyfor the C API, but not for the C++. On Nvidia...
View ArticleArchived Versions - Suggested Improvements
Thanks for fixing the link to the archived versions of the APP SDK page http://developer.amd.com/tools/hc/AMDAPPSDK/downloads/pages/AMDAPPSDKDownloadArchive.aspx The archive would be greatly improved...
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OpenCl on APU
Hi everyone, Yes, this is a recurring subject but I did not get a reply on the forum... My config :- APU : A8-3870K (with the latest driver )- Ubuntu : 11.04- AMD APP SDK: 2.6My questions :1 - When i...
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quantal quetzal driver and opencl setup
Hi there, I made the mistake of upgrading from Precise Pangolin to Quantal Quetzal thinking the drivers/opencl would work without issue.I just found these links which might be helpful for...
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OpenCL with quad watercooled Radeon 7990s
The cards finally arrived: These are the 'workstation edition' of the Powercolor 7990 Devil13; to the best of my knowledge we are the only customer to have these. Currently testing them with the...
View ArticleUsing sprofile when the kernel includes other header files.
Hello, I have a kernel that includes lots of other header files contained in the same directory as the kernel file. Now when I start the profiler it gives a catastrophic error saying it cannot open...
View ArticlePersistent Threads and Wavefronts per CU
I created a sparse (dia format) linear solver (Biconjugate Gradient Stabilized Method) using persistent threads and profiled it using both the APP KernelAnalyzer and the APP Profiler. The majority of...
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