AnsweredAssumed Answered

OpenCL SVM support missing/incomplete on Windows platform.

Question asked by h_l on Apr 18, 2016

Hi,

 

after moving from Linux to Windows, the following SVM capabilities are missing: Fine grain system and Atomics. On the Linux platform both worked perfectly using the HSA software stack.

Is the SVM implementation incomplete on Windows or do I have some driver issues here?

 

 

Partial output of CLINFO (see attached file for the full output):

  Device Type:                                   CL_DEVICE_TYPE_GPU

[...]

SVM capabilities:
    Coarse grain buffer:                         Yes
    Fine grain buffer:                           Yes

    Fine grain system:                           No

    Atomics:                                     No

[...]

  Unified memory for Host and Device:            1

 

Futher, I was surprised, that the CPU doesn't SVM at all:

  Device Type:                                   CL_DEVICE_TYPE_CPU

[...]

  SVM capabilities:

    Coarse grain buffer:                         No

    Fine grain buffer:                           No

    Fine grain system:                           No

    Atomics:                                     No

[...]

  Unified memory for Host and Device:            1

 

Thanks,

Harald

Attachments

Outcomes