Sandy Bridge, INDE OK while IOC64 and runtime fails (W8.1 -I7 2760)
Hi,I have a piece of code that runs fine on Ivy bridge and later CPU's. On Sandy Bridge (2760) it will not vectorize and hence it will not perform.Now, the same code will compile and run if we use your...
View ArticleProblems with reduction done in CPU
Hi all. I have been trying to code reductions for CPU and GPU. The kernels attached below work reallywell for Intel GPU's and Nvidia GPU. But, when I compile for CPU (Intel). The results are not...
View ArticleCan INT16 achieve 2x throughput compared with INT32 on Broadwell?
Hi, According to Gen8.pdf,'These units can SIMD execute up to four 32-bit floating-point (or integer) operations, or SIMD execute up to eight 16-bit integer or 16-bit floating-point operations.'It...
View ArticleMultithreading enqueue commands in Intel MIC OpenCL
Hi all, I encountered a very weird behavior. I ran the following codes:t0 = get_time(); clEnqueueWriteBuffer(queue, mem, CL_FALSE, 0, 1.8*GB, host, 0, NULL, NULL); printf("%lf secs", get_time() -...
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What is "Graphics Video Max Memory" and its impact on OpenCL?
I noticed today's announced desktop and server Broadwell CPU's have very different "Graphics Video Max Memory" attributes.Can someone from Intel explain how to interpret the "Graphics Video Max Memory"...
View Articlevstore4 cannot write data to global address space on Intel HD4600 GPU in...
The code is simple:typedef struct _Class { ulong vtable; ulong id; } Class; //code below is in kernel function __global Class* psrc = (__global Class*) param1; //param1 is any valid __global kernel...
View ArticleMSS installation error
Hi,I went into an error when trying to install MSS 2015 R4 Pro Edition. The error message is:Failed to process component: Graphics Driver.......My system is a Intel NUC with i5-5300U and Intel HD...
View ArticleCode Builder 2015 (Ubuntu Linux)
Hi Folks.I installed Intel Code Builder on my Ubuntu 14.04. Installation was successful, as reported by installation script.Now, how I can use it? I cannot find any executable for it in my binary...
View ArticleHow to integrate VLC with MSS QuickSync video
Hi, I have MSS Pro installed on my system. I would like to run VLC using the MSS video accelerator to benchmark some video apps. How do I know if VLC is using the MSS QuickSync accelerator ? If not,...
View ArticleREAD ME FIRST: how to get a fast response to your OpenCL questions?
Dear Customers,If you have an issue with Intel OpenCL tools or drivers, please follow this check list when reporting it on the forum to ensure fast service:Please let us know what Processor, Operating...
View ArticleQuestions about Intel's opencl platform
I'm new to Intel's opencl platform, but have read good things about its performance.I need to know if I am compatible with your platform, b4 venturing in too deep.I use Ubuntu 14.04 x64. My card is a...
View ArticleOpenCL will not install!!!
So I downloaded the OpenCL driver for Windows 7 64bit and also for my i7-4790k with Hd 4600 Graphics. When I go to install it a little window pops up and says my pc does not meet minimum requirements....
View ArticleHow to use Pipe in OpenCL2.0
Hi guys! i am tring to use Pipe in OpenCL2.0. But I am confused about the built-in Pipe read and write functions,such as write_pipe, reserver_read_pipe. Code :reserve_id_t reserve_write_pipe ( pipe...
View ArticleRunning OpenCL kernel (s) on CPU and GPU
Hi,We have installed intel media server studio essential 2015 R5 took kit. We have CentOS 7.1 running on Intel i7-4790K processor with HD4600 graphics.I want to confirm/ask following points related to...
View ArticleOnly OpenCL 1.2 on Intel media server studio
Hello everyone. I have just started to program OpenCL on Intel SDK with my laptop. (I originally use AMD's on my desktop) It's stated that Intel code builder supports OpenCL 2.0 form this...
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Local Memory read/writes fail on Surface Pro 3 i5 GPU
Hi,I would like to report a problem I discovered when running clFFT on Surface Pro i5 GPU Driver Version 10.18.14.4222 Driver Date 5/22/2015. After some tedious investigation I think I could boil the...
View ArticleCan Intel I7 3rd or 4rd genration run OpenCl on GPU processor graphics
Hi,I'm using Intel I7 3rd and 4rd.(I'm using Linux)I dont have an external GPU, so I intend to use the GPU on the processor.-- Can I run OpenCL code on the processor's GPU ?-- If not, which...
View ArticleEclipse Luno does not load after linking with Opencl Code Builder
I am using Centos 7 to use Opencl Code Builder. I have already downloaded and installed Intel Media Server Studio for Centos 7 OS. To start programming with Opencl, I use Eclipse Luno (Eclipse for...
View ArticleV-Ray fails to compile for Intel HD 4400 and probably any iGPU due to common...
Reading the V-Ray output log it is clear it fails to compile the raytracer for Intel HD 4400 OpenCL runtime. It doesn't matter the scene's complexity it happens always. Qt: Untested Windows version 6.3...
View ArticleOut of memory when compiling 'big' kernel for HD4600 GPU
In fact my kernel file is not big. It contains about 400 lines code, 10 funtions and one kernel function. Some code in kernel function were commented out. Gradually recovering the code from comments, I...
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