Device information issues
While writing and testing a clinfo program, I came across the following issues with the device information exposed by the AMD platform:the reported MAX_CLOCK_FREQUENCY on Intel CPU devices is not the...
View ArticleLinux - 7790 memory clock doesn't rise up
I have installed AMD Radeon™ HD7790 Catalyst™ Performance Driver for Linux x86_64.What I have found is aticonfig works a bit different way than it used to and I can't find any guide.aticonfig --odsc...
View ArticleSpectral Studio on ATI/AMD GPU & CPU
Hi, We are working on a GPU rendering software (http://www.spectralpixel.com) and we are currently trying to make it run on ATI GPU. But, when we compile :1) The computer freeze for some time, then get...
View ArticleRegister capacity of AMD Radeon Mobility 5870
Hello,I have a AMD Radeon Mobility 5870 and I am using OpenCL with it.I believe that the standard desktop Radeon 5870 has 256K of registers per compute unit. Is the same true for the Mobility 5870? If...
View ArticleHow to deal alpha blending with opencl efficiently
Hi Everyone,Does any one know how to deal alpha blending with opencl efficiently? I had ported the host code to opencl, but the performance come out too poor. does anybody has any advice?
View ArticleOpenCL SDK executable - access violation reading 0x00000000.
I recently upgrade my cpu from a phenom triple core fo an fx-8350. My new motherboard is an ASUS Sabertooth 990fx and myGPU is an ATI Radeon 4550. None of the SDK applications work, I have downloaded...
View ArticleBug: compiler build option no-bin-llvmir
In the actual version of the AMD Accelerated Parallel ProcessingOpenCL, December 2012, rev2.4, section 2.1.4 AMD-DevelopedSupplemental Compiler Options there is mentioned the compiler build option...
View Articlewrite in a image2d_t created with GL_RGBA8 ?
Hi, For OpenCL/OpenGL interop I create a texture with the following code : glGenTextures(1, (GLuint*)&_displayTexture1Id);glBindTexture(GL_TEXTURE_2D,...
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How 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...
View ArticleAny time schedule about next APP SDK (v2.9?) ?
Hello,Is there any time schedule about the next APP SDK version? It's been about 6 months since the previous version was released. Thank you.
View Articleself modifying code and instruction stream obsfucation
greetings. is it in the realm of possibility to push and encrypted instruction stream onto a GCN gpu and have a deobsfucator kerneldecode the stream so as to make it a non trivial task to disassemble a...
View ArticleOpenCL installation on Ubuntu 12.10 (pyrit don't see opencl GPU device)
Hello!System: Ubuntu 12.10 64-bit, E-450 with HD6320M card.1. Installation 13.4 driver was correct...
View Articleneed help AMD App 2.8 decode , B frame , multi slice problem ?
Hi,I use OVDecodeRender from http://amddevcentral.com/downloads/OVDecodeRender.zip to test decode,Is there some demo or paper to explain how to deal with B frame one slice situation, I get messed...
View ArticleclEnqueueWriteBufferRect crashes 7970
Howdy folks, Ran into a nasty issue and was wondering if I could get some help. OpenCL device is an AMD7970 running Catalyst 13.4 release. As the title of the post states, I'm either crashing the OS...
View ArticleOpenCL under Linux is slow unless I use CL_QUEUE_PROFILING_ENABLE
Hello, I'm getting severely slowed down performance under Linux (Ubuntu 12.04 64bit) with HD 7790 Catalyst Performance Driver. It ran fine under Windows on the same GPU (about 4 to 8 times faster)....
View ArticleHow can I start using clAmdBLAS from MAGMA?
I would like to use the OpenCL version of MAGAMA(clAmdBlas_1.10.274.exe) for LU decomposition and lu back-substitution in my program for the Matrix inverse.I am using AMD Opetron, Radeon 6900 series....
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GCN ISA Assembler
Hi All I'm proudly presenting the first preview release of my GCN ISA Assembler / AMD_IL errorchecker / scripter IDE featuring syntax_highlighting and code_insight (ctrl+space) for fast assembly...
View ArticleHow do get the physical flag for a cl_device_id.
I have multiple GPUs, and they have the same name, such as "HD 7970". My program has multiple tasks, each task relate to a cl_device_id(for example, 3 GPUs and 6 tasks), at this time, the 6...
View ArticleHow to execute kernel for minutes or more without watchdog ?
Hi, My current project is running fine searching (brute force mode ...) original ASCII message giving a given MD5 hash (sort of Johntheripper OpenCL version with MD5 hash) Currently I am able to find...
View ArticleWhat Free Software Applications Utilize OpenCL?
I'm a Free Software developer and multimedia professional running Debian GNU/Linux. I'm aware that VLC Player and Handbrake use OpenCL. Are there any other Free Software programs, preferably multimedia...
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