Some Weird Problem with OpenCL of HD 530 Mobile
I have been using a screen recorder to record gameplay videos. But recently, I encountered this weird problem that other will not encounter. Details below:So it's about codec, but has something to do...
View ArticleHow to setup OpenCL development environment on Ubuntu 14.04 32-bit
Hi Happy new year 2016..i'm writing you regarding openCL development enviroment setup.My System has following : OS : Ubuntu 14.04 32-bit product : Pentium(R) Dual-Core CPU...
View ArticleAdvice on how to handle structs with huge arrays
Dear all,currently I am working on a Monte Carlo code for particle transport simulations using OpenCL and I am facing a problem with the size of some arguments given to the OpenCL kernel. For example,...
View ArticleIncorrect output for simple if statement kernel
First, to preface I believe this is related to the bug reported here (https://software.intel.com/en-us/forums/opencl/topic/704155). However, I'm reporting anyways on the chance that it is indeed...
View ArticleCode Builder Kernel Analysis errors
When I create a brand new Code Builder session, using a simple vector Add kernel, Build works fine. __kernel void Add_1D(__global int* pA, __global int* pB, __global int* pC) { const int id =...
View ArticleLLVM Error
Hello all,Recently I acquired a new laptop, and i've been unable to run any of my OpenCL code on it - I get the following error:LLVM ERROR: Unknown error while opening the igdclbif.binThe laptop is an...
View ArticleHD Graphics 630 - No OpenCL in newest drivers
There is no OpenCL support detected in all the latest drivers, to be specific: 21.20.16.4565, 21.20.16.4574, 21.20.16.4589Build 4589 is the latest from Microsoft, still no support. Here is a screen...
View ArticleDriver "21.20.16.4589 Beta" showing a ~6% performance improvement
I just installed the .4589 driver on my HD 530 device and noticed a solid ~6% performance improvement.Nice job!
View ArticleFew issue with data returned by clGetDeviceInfo()
I am playing with OpenCL Runtime 16.1.1 for Windows 64 bit and found that clGetDeviceInfo() returns some invalid data when quering my i7-2600K:- query for CL_DEVICE_SINGLE_FP_CONFIG returned value 0x07...
View ArticleClik here to view.
when i installed Intel OpenCL SDK. An error has occurred. error code :1603
error code is 1603So how can i solve it?Downloadlog.zipthis is my log file about my error.i look forward to your answer.thank you so much!Zone: Windows*Thread Topic: Help Me
View ArticleOpenCL availability for E3950
Hello,we are currently trying to use OpenCL with plateform described here below:Ubuntu 14.04LTSIntel Atom E3950Intel driver for OpenCL - intel-opencl-xxx-r4.0-59481.x86_64intel graphic driver i915 v...
View ArticleOCL VME extension version 2 (VME++)
I know the VME built-in functions can be used by any GEN device that supports the cl_intel_device_side_avc_motion_estimation extension. This includes GEN8 and subsequent architectures.Does it means...
View ArticleClik here to view.
Trouble to pass structure
Hello,I've got some problem. I write an motion estimation algorithm using OpenCL. I've got sophisticated structures, like this:HOST SIDE:typedef struct ctu_info_t ctu_info_t; typedef struct cu_info_t...
View ArticleAttempting to find the best way to integrate Intel's OpenCL in our product
I hope this topic is in line with the theme of this forum. I'll try to make it brief. We have a computer vision product that, to date, hasn't taken advantage of the GPU. We're running on Intel NUCs...
View ArticleOpenCL compiler doesn't implicitly convert size_t to unsigned
At least on mad24(get_global_id(1), get_global_size(0), get_global_id(1)) compiler gives this so I have to explicitly conver all of the size_t to unsigned. At least on AMD GPUs the code compiles fine...
View ArticleclSVMAlloc() failure on i5 6500
HiWe are trying to use Opencl with i5 6500.When we use clSVMAlloc() for SVM over a certain size,it will return failure.The questions as belows:1. What factor decides the max SVM size ?(The size of host...
View Articlehow to install intel opencl sdk on linux
Hi ,I have downloaded the lastest SDK package.But the link of Installation Guide does not work. It returns the release note webpage.So ,my question isHow to install intel sdk on ubuntu 16.04LTS?Thank...
View ArticleSegmentation fault with intel opencl for linux
Hi,We have tried to accelerate our program with intel opencl on Windows 7.The program works successfully.And now,we want to switch to Linux(with the same hardware) . So we installed the driver and...
View ArticleVS2015 Code Builder can't use Intel extensions because of SPIR-V?
Code Builder seems to have inconsistent behavior when compiling a kernel that uses intel_xxx() extensions or an intel_xxx kernel attribute and targets a GPU (HD 530 / Skylake).The kernel will not...
View ArticleProblem with kernel analysis with code builder in VS 2015
Hi im having a problem with the deep kernel analysis of the openCL application analysis in the code builder plugin for visual studio 2015.The host profiling and the kernel overview works fine but the...
View Article