OPENCL Kernel Debugging
When I use __local space qualifier, I couldn't debug inside kernel.1. Is there anyone, who has same experience?2. Is there any method to avoid this phenomena?
View ArticleIntel kernel builder problem
hi All,I am new to open cl and have installed intel open cl sdk . After the installation, I have tried writing some open cl code in the intel kernel builder program after checking all the parameters...
View Articlelinking the opencl library in visual studio
Hi guys,Can you tell me how to link the library files in visual studio as I am getting the LNK error : unresolved externals _someFuncName;I did try to link it as project...
View Article"internal error" when building for Iris pro 5200 on Mac OS X
Hi,I'm trying to get some kernels running on the Iris pro 5200 in my new late 2013 macbook pro 15". The kernel works fine on Windows with my 3rd gen i7 CPU as well as my GeForce GTX 760. However, on...
View Article"internal error" when building for Iris pro 5200 on Mac OS X
Hi,I'm trying to get some kernels running on the Iris pro 5200 in my new late 2013 macbook pro 15". The kernel works fine on Windows with my 3rd gen i7 CPU as well as my GeForce GTX 760. However, on...
View ArticleNo luck with debugging OpenCL kernels using VC2013
Hello,I would like to debug my opencl kernel using the opencl debugger plugin within VC2012 (+ Intel SDK for OpenCL Applications 2013 3.0.0.81147; Intel SDK for OpenCL - CPU Only Runtime Package...
View ArticleBug in OpenCL kernel builder on Intel HD Graphics
Hello. I found a curious bug in kernel builder of Intel OpenCL SDK (Version 2013 R3 64-bit) when it executes on Intel HD Graphics 4600 (Core i5 4570).I write following kernel: #define cn 1 __local...
View ArticleAbout "Intel® SDK for OpenCL™ Applications 2014 Beta"
I found references about "Intel® SDK for OpenCL™ Applications 2014 Beta" on Intel INDE page..I wanted to know if it's coming soon as it seems to support OpenCL Android development on Intel...
View ArticleCache size of GPU (HD-2500) in Intel i5-3470
Hi,Can anyone specify the cache sizes (L1, L2 and L3) of Intel GPU - HD 2500 in Ivy bridge i5-3470? The cache sizes of CPU is L1=128k, L2=1M, L3=6M. Does GPU use the same cache hierarchy or what? Thanks
View ArticleDynamic parallelism in OpenCL drivers
We are evaluating GPU solutions to accelerate our algorithms, which have unavoidable sequential parts at the core. Because of data dependencies we would need to send up-to 300000 commands per second...
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Barrier error, when using __local qualified memory
"aftrer using barrier function the value in memory, which is qualified as __local, is changed." I could narrow down the range. The problem comes from using barrier when I read and write some data in...
View ArticleAnnouncing new Beta version of the Intel® SDK for OpenCL™ Applications 2014
Dear OpenCL developers,I’m happy to announce the availability of the 2014 Beta version of the OpenCL SDK. Sign up and download now here.The Intel® SDK for OpenCL™ Applications 2014 Beta extends the...
View ArticleCoupling of OpenCL runtime versions between CPU and GPU drivers
I am trying to compare OpenCL kernel performance on some different CPUs, and I would like to use the same device version for this. For the machines that don't have an Intel GPU, I am using the CPU only...
View ArticleHow to install Intel OpenCL in non default location
Is there a way to install the Intel SDK for OpenCL Applications 2013 R3 for Linux in a non default location? E.g. not /opt? Thanks
View ArticleVirtualbox and __ocl_svml_u8.so
OpenCL application on Fedora 20 on host machine works, and strace says that it loads __ocl_svml_e9.so. On vmachine inside Virtualbox the program fails at clCreateContext; strace says it doesn't find...
View ArticleXeon Phi wrong behavior
Hi,I have a new 'strange' behavior of a OpenCL kernel using the Xeon Phi.In this case, I have a small example written in HPL that executes perfectly in CPU, GPU but not in XEON PHI.I've attached the...
View ArticleHow to protect OpenCL code from stealing?
I use OpenCL in my program, and i need to protect opencl code from reading by other users. Compile code to binary maybe the option, but if exist some way to decompile it, this option is useless. I cant...
View ArticleResource temporarily unavailable
Hi Guys,I am trying to install and use OpenCL on my local cluster, of which the node have a CPU and 3 MIC cards. I have installed it successfully and running clinfo will return the right information...
View ArticleBehavior of CL_MEM_USE_HOST_PTR different on AMD and Intel Platforms
Hi,I am using CL_MEM_USE_HOST_PTR to create my input and output buffers. On AMD platform, i did the following and everything worked fine but when i tried to run this code on Intel ivy bridge i5-3470, I...
View ArticleBug in OpenCL driver on Intel HD Graphics?
Hello. I found a curious bug in Intel OpenCL driver on Intel HD Graphics 4600 (Core i5 4570). Driver version: 10.18.10.3412Intel OpenCL SDK Version: 2013 R3 64-bitI write following kernel: int gidx =...
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