clEnqueueCopyBufferRect crashes with access violation in cpu_device32.dll

Authored by Aaron B.

I have several calls to clEnqueueCopyBufferRect to copy data between two device buffers.

After a few calls, I get a crash with an access violation.

Last updated on 12/04/2014 - 18:37

How dose clCreateBuffer( CL_MEM_USE_HOST_PTR) work when platform and device are both CPU

Authored by wang h.

When my OpenCL platform and device are both CPU, would the behaviour (creating buffer using CL_MEM_USE_HOST_PTR )copy another uniform data or just link to the host_ptr address without copy?

Last updated on 17/04/2014 - 21:24

Intel OpenCL auto-vectorization switch

Authored by vince f.

Hi, I want to disable the auto-vectorization of OpenCL kernel on Xeon Phi, is there any way to do that?

Last updated on 19/04/2014 - 21:02

Relative include paths don't work in clBuildProgram

Authored by Aaron B.

I am using the 2014 beta SDK.  

I would like to pass "-I  RELATIVE\\PATH\\TO\\FILES" in as a build parameters, but this doesn't work.

Last updated on 21/04/2014 - 07:15

Infuriating Forum Format

Authored by Aaron B.

I just wanted to say how annoying the format of this forum is!

Last updated on 25/04/2014 - 16:46

crash when setting kernel argument for dynamic local memory

Authored by Aaron B.

Hello List,

I am trying to pass dynamically allocated local memory to my kernel.

So, I am using the line

    clSetKernelArg(myKernel, 2, localMemSize, NULL);

Last updated on 27/04/2014 - 07:46

Subdevice Support on Intel i5-3427U Ivy Bridge?

Authored by Felix M.

Hi all,

I am trying to divide my CPU into subdevices to solve a task parallel problem. Unfortunately I keep getting those CL_DEVICE_PARTITION_FAILED errors.

Here is what I tried:

Last updated on 28/04/2014 - 09:00

OpenCL™ and OpenGL* Interoperability Tutorial

Authored by Maxim Shevtsov (Intel)

OpenCL™ and OpenGL* are two common APIs that support efficient interoperability.

Last updated on 22/05/2014 - 07:26