About Gaussian filter
Hi All, how to apply a gaussain mask to an rgb image using opencl.i want know how to apply a mask for 3 channels of an input rgb image. Please help me. RegardsR.Chandrakala
View ArticleRe: pinned buffer OpenCL vs CUDA
CL_MEM_ALLOC_HOST_PTR should create pinned memory buffer. if you map this buffer it will return pointer to this pinned memory.
View ArticleclGetPlatformIDs block?
hiHas anyone come across the clGetPlatformIDs interface blocking problem? When i use clGetPlatformIDs api, it did not return. The call stack info as follows. Anybody know why clGetPlatformIDs is...
View ArticleRe: Resolving Driver Conflicts in Xorg -> Running 2 Discrete Video Cards,...
Ok, I ended up solving this problem on my own. This was by far the worst configuration nightmare I've ever endured, having spent dozens of hours researching for solutions (came across many people who...
View ArticleRe: pinned buffer OpenCL vs CUDA
Thanks for reply, Nou.I already know how to use pinned memory.What I really want to know is the concept of pinned memory in OpenCL (it is different with CUDA).Why it is different ?In CUDA using pinned...
View Articlewrong waves count?
why with globas size of {1024,128,1? and workgroup size of {128,1,1} CodeXL shouws 4096 as total wavefronts number?Shouldn't it be 2048 instead? Device is Loveland (C-60-based netbook).
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Re: pinned buffer OpenCL vs CUDA
when you use CL_MEM_ALLOC_HOST_PTR you don't use malloc. OpenCL will allocate pinned memory for you. to retrieve pointer to this memory you use clEnqueueMapBuffer(). in other work...
View ArticleRe: FirePro S10000 vBIOS?
I don't have time for this. Nm I'll just buy a card, dump, and return it.
View ArticleRe: In s_cmp_lg_i32 what LG stands for?
Do you know the execution time for these two?(in clock cycles)
View ArticleOpenGL extension issue (ARB_texture_gather)
Hello! I'm having some problems getting the ARB_texture_gather extension (spec here) to behave in my OpenGL application. According to glGetString(GL_EXTENSIONS), the extension should be available....
View ArticleRe: pinned buffer OpenCL vs CUDA
Thank Nou,Just to make sure. According to table 4.2 in AMD APP Accelerated Parallel Programming Guide, several research, and from your explanation :There are three method of transfer in OpenCL:1....
View Articletrueaudio api?
i have a couple of questions first, is this the right place to ask about trueaudio?second where i could get info about programing the true audio chip?and if it isnt released yet, where should i look in...
View ArticleRe: About Gaussian filter
From the "Gaussian" name, it resembles a distribution graph which looks "more" in the middle but lesser on the "neighbours" and keep decreasing until 3nd - 5th far neighbours with an exponential rate....
View ArticleRe: Problem with kernel debugging with GDebugger
Hi,AMD gDEBugger has reached End-Of-Life status and has been succeeded by AMD CodeXL.You can download the latest release of CodeXL here:...
View ArticleRe: Suggest Feature you want in AMD APP
1)Is a SSE/AVX to Opencl converter possible? At least for GCN compute units? Maybe a cinebench kernel/context can be changed into opencl one dynamically so it can use GPU automatically in a dynamic...
View ArticleRe: In s_cmp_lg_i32 what LG stands for?
(total execution time is 4 cycle. But if you put a scalar instruction after those, then that's an additional 16 cycle penalty.)
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[GER] Austauschbare Grafikkarten für Notebooks
Hallo,Mein Name ist Dr. Christian Beimgraben. Ich nutze hauptsächlich Notebooks, auch in meiner Freizeit und spiele gern PC Spiele. Leider veralten die Grafikkarten relativ schnell für die neuesten...
View ArticleBug submission
Hi there, Is there a way to submit a bug privately without sharing my source code to anyone?
View ArticleRe: Problem with hitting breakpoints
Hi StenR, CodeXL is supposed to identify the .cl files from the solution, if the source code passed to clCreateProgramWithSource is exactly the same.However, some situations (passing the string through...
View ArticleRe: wrong waves count?
And another possible issue.Statistics for Loveland shows 32 as wavefront size. If I recalled right I reported that issue before, with prev. profiler, and got answer that wave size in Loveland 64.So,...
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