allow control of VGPR/ SGPR usage by kernel
Hi, I'd like to surface this question once again.Is a compiler feature to specify maximum register usage by a kernel, similar to maxregcount for cuda, planned for a future release? Currently we are...
View ArticleVGPR usage question (code attached)
I have a simple test kernel which I compile in kernelanalyzer2. It says on Tahiti it will use 110 VGPR. I tried to put #pragma unroll 1 and it does not have any effect at all. Is there a known way to...
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Bug in platform detection in APP SDK samples
There's a bug in the validation of having a GPU in CLCommandArgs::validatePlatformAndDeviceOptions(). This results in the message "GPU not found. Falling back to CPU device" when running the program....
View ArticleRegionGrowingSegmentation post build event fix
In the 3.0-beta SDK the RegionGrowingSegmentation doesn't build because of its post build event. Using the following worked: copy RegionGrowingSegmentation_Kernels.cl "$(OutDir)" /Ycopy...
View ArticleProcedure entry point error?
HelloI am trying to run the openCL sample programs.Environment: Windows 7 (64-bit) APP SDK V 2.8 VS 2008 Prof EditionThe Hello world program ran successfullyThe "SimpleImage" program shows the...
View ArticleBlender Cycles(Opencl on AMD GPUS)
Dear Opencl DeveloperWhy doesn't the AMD opencl compiler work with blender cycles?whenever i compile the blender cycles kernel, the system either crashes due to lack of memory, or takes too long to...
View ArticleOpenCl program not using all available cores in a AMD 280X GPU
Hi, guys.I'm developing a sequence comparison application on OpenCL 1.2, and testing in a AMD R9 280X GPU. Here is the video card information: DRIVER_VERSION: 1445.5 (VM)Type:...
View ArticleAMD APP SDK 3.0 Beta now Available
The AMD APP SDK 3.0 Beta is available. Having explored the potential of OpenCL 2.0 via provisional OpenCL 2.0 drivers and our OpenCL 2.0 Demystified blog series, you can now dive deep with AMD’s...
View ArticleOpenCL - GPU to GPU transfer
Hello,I am working on a DirectX 11 (might possibly port to other APIs) application utilizing multiple GPU's for rendering and I need a mechanism to exchenge data between them. Because Mantle is still...
View ArticleDigital Video Pipeline
A bit off topic, but: I am interested in building a digital video pipeline using AMD hardware. See this link for NVidia pipeline: NVIDIA Quadro Digital Video Pipeline for Broadcasting | NVIDIA I would...
View ArticleclEnqueueWriteBufferRect does not work when region width is not equal to src...
I have already reported this problem in an earlier post: http://devgurus.amd.com/thread/160312 and the error has been fixed in Catalyst 13.4.However, the error seems to be reintroduced in Catalyst...
View ArticleNumber of active work_groups during the execution
Dear all, I'm wondering about the number of active work_groups during the kernel execution on GPU. Let's assume that my GPU have 20 compute units. On this GPU I'm executing a kernel for which the...
View ArticleBinary produced for Hawaii with CL_CONTEXT_OFFLINE_DEVICES_AMD is not working...
We ship our applications with a number of binaries for different GPUs. The binaries are produced by compiling source OpenCL files with clBuildProgram ("-fno-bin-source -fno-bin-llvmir -fno-bin-amdil...
View ArticleIs there any opensource for JPEG decoding in GPU(AMD)?
Hello. I'am looking for opensource or sample code JPEG decoding in GPU(AMD). I work for a company which develop image transfer using network. And, I have to develop Jpeg Decoder in GPU. Is there Any...
View ArticleStack overflow in clBuildProgram on Catalyst 14.12 with R9 290
When I try to compile certain OpenCL code on a machine with R9 290 installed running a Catalyst 14.12 driver, the program crashes with stack overflow in amdocl64.dll when calling clBuildProgram.The...
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Work groups per compute unit
Hi everybody,I would ask you about the number of work groups per compute unit.I read so many times the sentence: "a processing resource capable of supporting a work-Group is called compute unit. Each...
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OpenCL 2.0 Atomics and fine-grain system SVM not available on Lenovo E555...
Hi there, Very recently I bought the budget "business" laptop referred to in the title to this thread. It's obviously no beefy hardware and does not come with an additional cross-fire dGPU. I bought it...
View ArticleGuide to run OpenCL headless, without X server and as normal user
EDIT: this guide is no more relevant as from catalyst 14.12 omega it is supported to run OpenCL applications without Xserver. read discussion below. You may know that you can run OpenCL program as root...
View ArticleBlender Cycles(Opencl on AMD GPUS)
Dear Opencl DeveloperWhy doesn't the AMD opencl compiler work with blender cycles?whenever i compile the blender cycles kernel, the system either crashes due to lack of memory, or takes too long to...
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Are we going to see shuffle in CL?
I honestly forgot about it, but a couple of weeks ago realhet informed me shuffle is there for GCN at ISA level.I could recall something about it and after a while I recalled a few pictures in GS-4106...
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