Btw, this issue might be the root of our problems
https://bugs.launchpad.net/ubuntu/+source/ocl-icd/+bug/1247736
On 24 Jul 2014 13:25, "KOVÁCS István" <[email protected]> wrote:
> Install nvidia-opencl-icd-331 (or whatever your version is). You can also
> specify it in .config/darktable/darktablerc, look for opencl_library. Did
> not help me, though, see previous messages in this thread.
> On 24 Jul 2014 13:06, "J. Paul Bissonnette" <[email protected]> wrote:
>
>> On Thu, 24 Jul 2014 12:16:53 +0200
>> KOVÁCS István <[email protected]> wrote:
>>
>> > You can diagnose the cause this by launching from the command-line
>> > with darktable -d opencl
>> >
>> > It'll give you output like shown earlier.
>> >
>>
>> Here is my output
>>
>> jpb@maple:~$ darktable -d opencl
>> [opencl_init] opencl related configuration options:
>> [opencl_init]
>> [opencl_init] opencl: 1
>> [opencl_init] opencl_library: ''
>> [opencl_init] opencl_memory_requirement: 768
>> [opencl_init] opencl_memory_headroom: 300
>> [opencl_init] opencl_device_priority: '*/!0,*/*/*'
>> [opencl_init] opencl_size_roundup: 16
>> [opencl_init] opencl_async_pixelpipe: 0
>> [opencl_init] opencl_synch_cache: 0
>> [opencl_init] opencl_number_event_handles: 25
>> [opencl_init] opencl_micro_nap: 1000
>> [opencl_init] opencl_use_pinned_memory: 0
>> [opencl_init] opencl_use_cpu_devices: 0
>> [opencl_init] opencl_avoid_atomics: 0
>> [opencl_init] opencl_omit_whitebalance: 0
>> [opencl_init]
>> [opencl_init] trying to load opencl library: '<system default>'
>> [opencl_init] could not find opencl runtime library 'libOpenCL'
>> [opencl_init] no working opencl library found. Continue with opencl
>> disabled [opencl_init] FINALLY: opencl is NOT AVAILABLE on this system.
>> [opencl_init] initial status of opencl enabled flag is OFF.
>>
>>
>> The opencl runtime library is not found. Any idea where it is found? I
>> thought that was part of the nvidia installation.
>>
>
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