Bug in AMD OpenCL implementation?
Hello, I am not sure if this is the right place for OpenCL bug reports, so please forgive me if I am wrong. Here is the link to the simple program that should add two vectors multiple times:...
View ArticleOpenCL kernel recycling makes Xorg crash
System:CPU: turion ultra ZM-86 / 4GBGPU: radeon HD 4570 / 512MB Software:Xorg 1.12.4Catalyst 13.1 for legacy GPUGCC 4.6.3linux kernel 3.2.43 I have a very weird problem while performing an 'iteration'...
View ArticleSorting very small array (< 16) with a single thread
Hi, I am looking for suggestions to resolve efficiently a sorting problem. I have to sort one very small array per work item (thread) (< 16 elements). Maybe it is possible to save the array in a...
View Articlecommand queue concept
Hi, There is no concept of command queue in cuda and in opencl it is one of the core components. How does it differ between with each other ? RegardsSajjadul
View Articleparallel executions of kernels
Hi!I am using a radeon 7750 the first question I have is whether or not this graphiccard support execution of parallel kernels in opencl. Is the execution model completely controlled by the driver or...
View ArticleHow to implement cl_khr_icd?
Hi, I want to run my application on both intel CPU and nvidia GPU. As I read some other posts, I clearly understood that I need 2 SDK for this configuration so I chose : AMD SDK and NVIDIA SDK. A part...
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OpenCL 8 GPU DGEMM (5.1 TFlop/s double precision). Programming infrastructure...
Anton Efremov, Institute of System Research Russian Academy of Science (NIISI), antonyef@mail.ruPavel Bogdanov, Institute of System Research Russian Academy of Science (NIISI), bogdanov@niisi.msk.ru...
View ArticleNo GPU device available.
I tried to run the HelloWorld OpenCL example that came with APP SDK v2.8, but it said "No GPU device available. Choose CPU as default device" I have an AMD FirePro W8000 in a workstation running RHEL...
View ArticleAMD APP SDK v2.8 Driver for FirePro W8000
I'm looking for the right driver to use the AMD APP SDK v2.8 with an AMD FirePro W8000 on 64-bit Red Hat Enterprise Linux 6.2. The APP SDK v2.8 web page...
View ArticleDoes HD 7970 have ECC RAM?
I find contradictory information about how the 7970 and W9000 differ. Many people say they are the same thing, but the official specs page indicates ECC RAM only for W9000. Which cards have the ECC...
View Articlehow to include headers into opencl kernels
Hi, all, I need to include some .h files into .cl OpenCL kernels but I haven't found a way to solve it. My problem is described as follows:1.(1) a kernel in example.cl file: __kernel void...
View Articleinclude headers into opencl kernels
Hi all, I need to include some .h files into .cl OpenCL kernels but I haven't found a way to solve it. My problem is described as follows:1.(1) a kernel in example.cl file: __kernel void...
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Catalyst 12.8 recognizes only 4 of 5 GPU and clGetPlatformIDs() crashes
It´s seems there are BUGs for multi GPU in the latest whgl driver of AMD. Only 4 GPU of 5 are correct recognized. The Catalyst 12.6 has done that correct.The first call to clGetPlatformIDs(0, NULL,...
View Articleint64 atom_cmpxchg on AMD 6168 CPU
The OpenCL code below fails to compile for an AMD 6168 CPU. AMD_APP version 2.8. Note the compiler does not complain about cl_khr_int64_base_atomics, so I have to assume they are supported for the...
View Articleulong16 not implemented fully in libamdocl64??
I've got the following code crashing within the clBuildProgram() function. Specifically gdb SIGSEGVs at SCRegSpill::CreateSplitReload(SCInst*, int, unsigned short, SCBlock*, bitset*, bitset*) ()...
View ArticleOpencl Causes display driver to crach
Hello, I'm having a very difficult tome getting opencl to function with my 6950. I have tried it in two different computers and any time opencl is used the driver stops responding and recovers....
View ArticleWhat's wrong with this file?
THIS CODE IS FROM A PROGRAM CALLED BLENDER CYCLES...IT WORKS...BUT DOESN'T WORK WITH THE AMD OPENCL COMPILER,...IN THE BLENDER COMMUNITY SOME BELIEVE THAT THIS CODE IS PROGRAMMED USING CUDA SYNTAX,...
View ArticleOpenCL + 4870?
Please could someone help me get OpenCL to work on my 4870? I have installed the latest catalyst Driver 13.1 for my card :...
View ArticleOpenCL max work group size on Southern Islands
Hello, I always see CL_DEVICE_MAX_WORK_GROUP_SIZE set to 256 on the Southern Islands (e.g. Tahiti, Pitcairn), but according to the AMD Southern Islands ISA doc section 4.3, "Up to 16 wavefronts (1024...
View ArticleMax Read Bandwidth of Trinity APU
Hi, I have got a bandwidth question. I got an A10-5800k Trinity APU and I use OpenCL with the integrated GPU Radeon HD 7660D.Also, I use the Asus F2 A85-M Pro motherboard and 4x 8GB 1866 MHz ram. OS is...
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