OpenCl Sample in visual studio 10 throwing exception: heap corrupted
I've a computer with intel i5 and ATI 7670M gpu. I am trying to run the samples supplied with APP-SDK-2.8. In win32 configuration firstly vs10 is throwingWindows has triggered a breakpoint in...
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 ArticleIs 2.8 APP SDK really 2.8?
So I installed APP SDK 2.8 for Windows. But it report version of SDK 1016.4 which is version that I can found in Linux catalyst 12.10. But Linux APP SDK report 1113.2. But more importantly on Linux 2.8...
View ArticleVector Read(int4) of an Image-help
Hi I am using int4 for read from the input Image and also to write to the output Image.I have a 256*256 Image.initially i assiged global work dimensions as 256,256 but its a bad idea as i used to get...
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clEnqueueReadImage() slow on fairly small images
Hi! I'm just getting started with OpenCL programming, so please be gentle! I have written a simple image resizing kernel using JOCL (Java OpenCL bindings) and I'm running this on a AMD HD 7970 GHz...
View Articlecl.hpp brainstorming
Hi! I would like to open this topic as a placeholder for everyone to make suggestions about the 'standard' C++ wrapper of OpenCL, cl.hpp. Let me start off by a little brainstorming, suggestions and...
View ArticleHello guys, I am New to this.
HI, I am Robert Jonson. I have bought an AMD processor, i got a problem with that. When i have installed oracle DB in my Laptop the process is very slow and at once the system went to stand by mode......
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Using HD7970 as secondary GPU for OpenCL only
Hi, i have problems using the HD7970 as secondary GPU. I have itegrated Intel video I want to use for desktop rendering and HD7970 for calculations. This is required to have normal screen feedback...
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Using AMD_IL code under OpenCL runtime environment.
Hi, In order to make my stuff up to date, I'm leaving CAL behind and trying to use OpenCL for buffer/kernel management.My goal is to execute an amd_il source code under the OpenCL api, so I can still...
View ArticleAPU Zero Copy Support
I've been doing some reading on zero copy support in the shared memory of CPU and GPU, and I have two questions raised by different forum posts I've seen. 1. Is this supported on Linux? According to...
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 ArticleRepartitioning OpenCL APU Physical Memory
I'm using an AMD A10-5800K, and clinfo shows the shared physical memory statically split so that the CPU has ~7GB but the GPU has 256MB. Seeing as this is all physically actually the same memory, is...
View ArticleKernels periodically take too much time to execute?
Hi everyone,I've got a problem with kernels executing way longer than they should from time to time.Basically I'm integrating a PDE using the pseudospectral method, meaning I got a loop and in each...
View ArticleHelp with clBuildProgram crash
I'm running into a problem with the attached program. This program will build and run on Mac, Linux, and most Windows boxes as a 32-bit or 64-bit app. As I said, it runs for "most" Windows users. I...
View ArticleHow to do concurrent data transfers while a kernel is executing?
Hi everyone, I'm currently working on optimizing an OpenCL C++ application. The platform is an A8-3870 APU with an additional Radeon HD7750 GPU (Capeverde). I'm using the Catalyst 12.10 driver. The...
View ArticleProblems with Cat 12.10 and up and HD7xxx (and not only) GPUs
My app starts to produce invalid results if source CL file is compiled with Catalyst 12.10 and causes driver restarts if it compiled with Cat 12.11 beta 8.All this observed on HD7770 GPU. Looks like...
View ArticleIs 2.8 APP SDK really 2.8?
So I installed APP SDK 2.8 for Windows. But it report version of SDK 1016.4 which is version that I can found in Linux catalyst 12.10. But Linux APP SDK report 1113.2. But more importantly on Linux 2.8...
View ArticlePoor clAmdFft performance comparing to MKL and other problems
Hello all. I'm digging clAmdFft and have a couple of questions about performance and possibly NVIDIA support problem.Have a look at my example project. It runs a few FFT transforms using MKL and...
View ArticleDynamic work-item and work-group size ?
Hi, I am a beginner in OpenCL, and I have two questions: Suppose that we have two kernels k1 & k2. k1 works on 1D work space and k2 works on 2D work space. Size of dimensions varies with stream of...
View ArticleBugs in clAmdBlas/gemm tuning runs?
Hello everybody, in order to achieve the best possible performance I tried to tune the sgemmroutines in clAmdBlas-1.8.291 on Linux (Fedora 17, kernel 3.6.10-2.fc17, x86_64)for an AMD FirePro W7000...
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