BSOD / hang-up for OpenCL program
Hi, I have a work-station with three 7970Ghz Tahitis on which OpenCL simulations (self-written) run. After weeks without problems for simulation #1 now for simulation # 2 (most parts are identical, but...
View ArticleATI Stream SDK 2.3
ok we have now SDK 2.3 here. you can download packages from my thread.just quick test show that we have working DMA now.EDIT: i am sorry i encounter to some errors with new SDK. so do not install my...
View ArticleNeed ATI Stream SDK v 2.3
Hello guys I need to download exactly this file: ati-stream-sdk-v2.3-vista-win7-64.exe. If you have a copy saved somewhere please can you upload it to any website? Thanks
View ArticleOut of order queues
I've turned on out of order queues on my project running on HD 7700.This significantly improves performance, I highly recommend it!Only caveat is that you have to manage kernel sequence yourself, using...
View ArticleGCN SIMD vs SIMT
Hey,I know that this topic has been upraised a lot, but I want to do that one more time ..I am dealing with some GPGPU apps and I need to make them run fast on all kind of hardware, so for a quite some...
View Article#pragma no_unroll ?
Hello everyone, I have a certain kernel, doing some computations on blocks of matrices (I have a block size of 128 matrices).To process a block, I iterate over all the matrices in a block.It seems that...
View Articlepossible OpenCl compiler bug
Hi, I have come across a possible compiler issue which is present in the attached kernels. The two kernels differ how work is mapped to the threads. Requiring a work group size of 256; the difference...
View ArticleError while compiling opencl samples (pthread_create and DSO related) on Ubuntu.
Hey everyone So I've been trying to compile the opencl samples on my ubuntu laptop but I'm getting this error. /opt/AMDAPP/samples$ cmake -G "Unix Makefiles" . -- Configuring done -- Generating done...
View ArticleCatalyst 15.4 Beta driver for Windows (1642.5 (VM) OCL part) has considerably...
Though this driver solves bug described here: Kernel with local memory usage gives different results on some hardwareit introduced another issue - almost 2-fold increase in CPU consumption for my...
View ArticleOpenCL Pipes: multi-dimensional usage
Over the course of developing my application, I have run out of single-dimension work items, and I now need to utilize higher dimensions. My program uses pipes extensively to keep the calculated data...
View ArticleWhat prevents OpenCL to create more than one work item while calling...
Hi I am new to OpenCL, I just wanted to know why task parallelism is restricted to a single thread?
View ArticleAMD OpenCL full driver compilation options
Hey,Is there a place with all AMD OpenCL compilation flags ? I am searching for stuff like max-register-usage, fast-math, enable-compilation-time-expensive-optimizations, dont-be-ieee-compatible, -05,...
View ArticleMarking OpenCL function as __noinline__
Hey there,Is there a way to make real function call using GCN 1.2 and OpenCL ? What I am having is an OpenCL app with heavy register spilling (lets just assume that splitting to multi kernels is not an...
View ArticleHow to enable openCL to render on Vray RT ?
Hello, i just finished installing myFirePro w8100 in my system and i have the Firepro v5900 installed as well.I have installed the 14.502.1019.0 driver. I want to utilize both cards stream processors...
View ArticleBeginner asking some basic questions
Hey guys. I'm doing research on complex systems for a physics PhD project and am wondering if OpenCL is worthwhile for me to learn for that purpose. My time is somewhat limited and I know the topic...
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VGPR 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...
View Articlemonitoring GPU load, temperature programatically
Hi, I'm using OpenCL in computer vision applications and because of the context of unmanned vehicles, I need to monitor the GPU load and temperature. There is a way to do this with amdconfig --dc...
View Articleclinfo crashes due to absent entries
Hi All, I am trying out AMDAPPSDK-3.0.0-Beta for opencl 2.x. The SDK is installed. If I run clinfo under strace, I can see that clinfo is trying open files under the vendors directory, which is absent...
View ArticleSupport for AMD A10-7850K Radeon R7 on OpenCL 2.0
Hi All, Is AMD A10-7850K Radeon R7 not supported on on OpenCL2.0 driver that works with AMDAPPSDK 3.0 Beta?If yes, is it likely to be supported in future releases?Is there a work around to make it...
View ArticleKernel launch is silently omitted on CPU
Hi! I have an application that uses the C++ bindings and is using exceptions for error reporting. The application is a simple NBody simulation, with 2 kernels, one for interaction, and one for forward...
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