Re: Enqueue from device (Dynamic parallelism) seem to be slower than kernel...
Thanks for sharing the code. I'll check and get back to you. Regards,
View ArticleRe: what dose mean "$(CLEMU_ROOT)" in OpenCL project
Please check the OpenCL-EMU Documentation. It describes which packages/apps need to be installed. It also says: As part of the installation, the environment variable CLEMU_ROOT needs to be setup...
View ArticletextureProj() and textureProjOffset() not working using latest HD 5800 driver
After installing the latest HD 5800 driver (AMD Catalyst 14.12 Video Driver for Graphics Accelerators, released 12/9/2014) the GLSL functions textureProj() and textureProjOffset() are not compiling...
View ArticleRe: Redistributing OpenCL library / detection of OpenCL devices
Couldn't you distribute a portable CPU implementation of OpenCL like for instance pocl with your code?
View ArticleRe: Fastest way of copying data from private array to global buffer ?
In my experience the most effective way (but usually not very convenient) is to pack the same index of the array in subsequent memory addresses while striding subsequent indices by the global work...
View ArticleRe: I can't download the RenderMonkey,why?
Hi lyf, RenderMonkey should still be available for download from the archived legacy tools section of the developer tools website:...
View ArticleRe: Running the CODEXL teapot example
I found a bug in the code. In bool AMDTTeapotOCLSmokeSystem::chooseBestDevices()Near the end of the implementation of the method, comment the 'else" statement out. The original logic breaks when both...
View ArticleHello All! I'm new to OpenCL-GL interop , while trying to use...
Here are some snippets ,and their success checkpoints:void draw_cube(float r, float g, float b){glGenBuffers(1, &vboId3); glBindBuffer(GL_ARRAY_BUFFER, vboId3);...
View ArticleHelp for compiling FGLRX on Debian
When I want to compile FGLRX I have the error : cat /var/lib/dkms/fglrx/13.12/build/make.logDKMS make.log for fglrx-13.12 for kernel 3.16.0-0.bpo.4-amd64 (x86_64)mardi 6 janvier 2015, 14:07:31...
View ArticleRe: CodeXL-bin linux user-space high cpu usage
In the meantime i installed CodeXL onto my desktop machine, i used the exact same installation method and it works without a problem in userspace. However the desktop has an FX81xx chip with the R9...
View ArticleCodeXL crashes under linux, can't debug my program
Hello. I can't debug my program with CodeXL under Ubuntu 14.04. When I try to run my project CodeXL outputs following error:kdubovikov@nb023:/opt/AMD/CodeXL_1.6-7247$ sudo ./CodeXLQObject::connect: No...
View ArticleProblem with 3D texture generation.
Hi, I have been working on a small OpenGl demo program on my A8-7600 Kaveri APU, in Qt5.4.I would set a huge (1024x1024x1024 = 1Gbyte) byte array (volume) as single channel 3D texture.On top of that, I...
View ArticleRe: JPEG decoding is broken with Catalyst driver
I have the same problem as the original poster. Most icons are OK, nearly every JPEG opened in the Windows Photo Viewer opens as all black. Other applications (old paintshop pro etc.)open them...
View ArticleRe: AMD, OpenGL and id tech 4 / 5 engines
It's definitely driver's issue. I asked someone with GeForce 560 GTX to test the same case, and his RB/GPU/fps values were lower than mine. So the question is how is it older Nvidia outperforms newer...
View ArticleRe: Hello All! I'm new to OpenCL-GL interop , while trying to use...
This may applyFrom http://developer.amd.com/download/AM..._Developer.pdfsection 5.3"For OpenGL interoperability with OpenCL, there currently is a requirement on when theOpenCL context is created and...
View ArticleRe: Memory corruption bug in AMD Catalyst 14.12 (fglrx-14.501)
Hi Leon,Thanks for the reporting.I am investigating the issue now. From what I have seen, you are trying to overload the global new&delete and use jemalloc underlying. Could you let me know what...
View ArticleRe: Guide to run OpenCL headless, without X server and as normal user
Hmm, you seem to be correct. Thanks for the info. I have found out that I only see GPUs set in the X config when I export the COMPUTE=:0 env variable (the DISPLAY env variable seem to have no effect).
View ArticleRe: Guide to run OpenCL headless, without X server and as normal user
I also had issues getting it to work, but it turned out to be because the AMD APP SDK was installed on the machine, and LD_LIBRARY_PATH and OPENCL_VENDOR_PATH were set to point to that installation....
View ArticleRe: SimpleEncode sample runs very slow on Radeon R9 200 Series
Hello same issue here with Radeon E8860. I reach 3.2 fps to convert an HD yuv file to h264. Each frame is taking 310 to 330 msec to encode. I have installed the Clock Tool. The results are as follows...
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