ARM GPU modifications

[marcino239]

Add function to check if local memory is present. Without this check the OpenCL code generation fails on systems without local memory.

[abergeron]

This doesn't merge since I've added BIN_ID.

Also, this property is useless since the OpenCL spec requires at least 16Kb of local memory (which may be actually global memory or whatever).

What error are you trying to fix exactly?

[marcino239]

Hi - the Mali GPU returns error when calling function lmemory in gpuarray.pyx. I think this might be happening because when asking for CL_DEVICE_LOCAL_MEM_TYPE, the runtime returns CL_GLOBAL. I'll rework the code to resolve the conflicts.

[abergeron]

No, returning CL_GLOBAL is fine, libgpuarray never checks for that and the spec allows it.

What isn't allowed is to return less than 16Kb for CL_DEVICE_LOCAL_MEM_SIZE or erroring out.

Can you give me more information as to what error exactly is the Mali GPU returning? Can you show me the exact error message you get?

[abergeron]

This has been on here for over 6 months and I heard nothing back. Closing for now.