One idea: please try what happens if you set opencl_use_pinned_memory to TRUE. You can find this config variable in $HOME/.config/darktable/darktablerc. In addition please also test with opencl_async_pixelpipe set to TRUE.

Ulrich

Am 09.09.2016 um 17:25 schrieb Aurélien PIERRE:

OpenCL config :

    [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

Any clues ?


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