On 2018-10-25 15:27, Michael Kefeder wrote:
Hi
I have the same issue on mac, I use
opencl_device_priority=1,!0/!0,!1/1,!0/1,!0
and important: opencl_scheduling_profile=default else the priority
seems to be ignored. With these it never tries to use the Intel GPU (0
on my machine).
Thank you! This works!
One question - is there a reason why not
opencl_device_priority=1,!0/_1,!0_/1,!0/1,!0
Looks like you are forcing explicitly 1 and forbidding explicitly 0 but
the second group you are forbidding both. Is this beneficial? why?
hth
mike
Thank you,
B
Am Fr., 26. Okt. 2018 um 00:13 Uhr schrieb I. Ivanov <[email protected]
<mailto:[email protected]>>:
Hi Guys,
I am experimenting on a new windows machine. Win 10 - DT 2.4.4
GPU Intel UHD Graphics 630 and NVIDIA Quadro P1000
I have read and tried
https://www.darktable.org/usermanual/en/darktable_and_opencl_multiple_devices.html
However - no matter what I do - it looks like DT *always* defaults
and
heavily utilizes the Intel Graphics 630.
The result is - no benefit at all when using open CL. In fact - using
CPU is about 30% faster (if my tests were correct) than using
Intel GPU.
Meanwhile Nvidia is present but does nothing. 1-5% utilization.
This "darktable -d opencl" does not do anything on windows -
simply blank.
So I identified the cards with "darktable-cltest.exe"
Setting device preferences - I tried both with the name of the
cards and
also by number - 0 or 1.
Sadly - regardless what I did - I was unable to force DT to use
Nvidia.
Can anybody help with this please?
Regards,
B
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