Cita:

Raghupathi Muthyalampalli (Intel) wrote:

What exactly is the issue here? Are you not able to install the HD graphics driver? Or are you not able to compile and/or run the OpenCL programs? Also, just to make sure - you have a system with dual graphics and not switchable graphics. Correct? I have win8 pro and I am able to run the SDK samples.

So please provide details on the exact error and I'll try to help.

Thanks,
Raghu

I can install the HD graphics driver just fine. I can compile and run OpenCL programs just fine -- ON THE CPU. However, the GPU support for running OpenCL on the HD4000 graphics processor is simply not there at all -- it doesn't show up as a device in the OpenCL runtime. That is the precise problem I have. Also, yes, the system is dual graphics, not "switchable".

Cita:

Raghupathi Muthyalampalli (Intel) wrote:

What do you have under HKLM\Software\Khronos\OpenCL\Vendors and HKLM\Software\Wow6432Node\Khronos\OpenCL\Vendors?

Also, can you list the igd*.dlls under system32 and syswow64?

[HKEY_LOCAL_MACHINE\SOFTWARE\Khronos\OpenCL\Vendors]

"amdocl64.dll"=dword:00000000

"IntelOpenCL64.dll"=dword:00000000
[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Khronos\OpenCL\Vendors]

"amdocl.dll"=dword:00000000

"amdocl64.dll"=dword:00000000

"IntelOpenCL32.dll"=dword:00000000
C:\Users\Sean>dir C:\Windows\system32\igd*dll C:\Windows\syswow64\igd*dll

 Volume in drive C has no label.

 Volume Serial Number is 02B5-761F
 Directory of C:\Windows\system32
10/22/2012  05:40 PM        12,854,272 igd10umd64.dll

11/06/2012  10:27 PM         3,580,928 igdbcl64.dll

11/06/2012  10:27 PM            80,384 igdde64.dll

07/25/2012  10:05 PM            79,872 igdDiag.dll

11/06/2012  10:27 PM        27,418,112 igdfcl64.dll

11/06/2012  10:27 PM        27,664,896 igdrcl64.dll

10/22/2012  05:40 PM        12,615,168 igdumd64.dll

               7 File(s)     84,293,632 bytes
 Directory of C:\Windows\syswow64
10/22/2012  05:40 PM        11,171,840 igd10umd32.dll

11/27/2012  07:04 PM         2,898,944 igdbcl32.dll

11/27/2012  07:04 PM            64,512 igdde32.dll

11/27/2012  07:04 PM        21,810,688 igdfcl32.dll

11/27/2012  07:03 PM        27,643,904 igdrcl32.dll

10/22/2012  05:40 PM        11,049,472 igdumd32.dll

               6 File(s)     74,639,360 bytes

               0 Dir(s)  2,026,745,274,368 bytes free

Hi,

Any updates on this issue? Is it user error, or system error?

Tried all the steps and it doesn't work. Tried on a clean install of Windows 8, same problem.