HDR erreur, Masques instables, latences.... Darktable 4.2 ?

[Didier]

hmmm,

j'ai cherché plus loin....rapport a OpenCL

darktable-cltest

Code :

WARNING: either your user id or the effective user id are 0. are you running darktable as root?
[dt_get_sysresource_level] switched to 1 as `default'
  total mem:      23939MB
  mipmap cache:    2992MB
  available mem:  11969MB
  singlebuff:      187MB
  OpenCL tune mem: OFF
  OpenCL pinned:  OFF
[opencl_init] opencl related configuration options:
[opencl_init] opencl: ON
[opencl_init] opencl_scheduling_profile: 'default'
[opencl_init] opencl_library: 'default path'
[opencl_init] opencl_device_priority: '*/!0,*/*/*/!0,*'
[opencl_init] opencl_mandatory_timeout: 400
[opencl_init] opencl library 'libOpenCL' found on your system and loaded
[opencl_init] found 2 platforms
[opencl_init] found 2 devices

[dt_opencl_device_init]
  DEVICE:                  0: 'AMD CAYMAN (DRM 2.50.0 / 5.10.0-20-amd64, LLVM 11.0.1)'
  CANONICAL NAME:          amdcaymandrm2500510020amd64llvm1101
  PLATFORM NAME & VENDOR:  Clover, Mesa
  DRIVER VERSION:          20.3.5
  DEVICE VERSION:          OpenCL 1.1 Mesa 20.3.5
  DEVICE_TYPE:              GPU
 [b] *** The OpenCL driver doesn't provide image support. See also 'clinfo' output ***[/b]

[dt_opencl_device_init]
  DEVICE:                  1: 'Intel(R) HD Graphics IvyBridge GT1'
  CANONICAL NAME:          intelrhdgraphicsivybridgegt1
  PLATFORM NAME & VENDOR:  Intel Gen OCL Driver, Intel
  DRIVER VERSION:          1.3
  DEVICE VERSION:          OpenCL 1.2 beignet 1.3
  DEVICE_TYPE:              GPU
  GLOBAL MEM SIZE:          2048 MB
  MAX MEM ALLOC:            1536 MB
  MAX IMAGE SIZE:          8192 x 8192
  MAX WORK GROUP SIZE:      256
  MAX WORK ITEM DIMENSIONS: 3
  MAX WORK ITEM SIZES:      [ 256 256 256 ]
  ASYNC PIXELPIPE:          NO
  PINNED MEMORY TRANSFER:  NO
  MEMORY TUNING:            NO
  FORCED HEADROOM:          400
  AVOID ATOMICS:            NO
  MICRO NAP:                250
  ROUNDUP WIDTH:            16
  ROUNDUP HEIGHT:          16
  CHECK EVENT HANDLES:      128
  TILING ADVANTAGE:        0.000
  DEFAULT DEVICE:          NO
  *** marked as disabled ***
[opencl_init] no suitable devices found.
[opencl_init] FINALLY: opencl is NOT AVAILABLE on this system.
[opencl_init] initial status of opencl enabled flag is OFF.

Il y a un bien un driver OpenCL mais darktable le considere comme "trop ancien" ?

Pour test j'ai essayé d'utiliser celui embraqué pour la CPU avec l'option :
opencl_use_cpu_devices=TRUE

mais

Code :

[dt_opencl_device_init]
  DEVICE:                  1: 'Intel(R) HD Graphics IvyBridge GT1'
  CANONICAL NAME:          intelrhdgraphicsivybridgegt1
  PLATFORM NAME & VENDOR:  Intel Gen OCL Driver, Intel
  DRIVER VERSION:          1.3
  DEVICE VERSION:          OpenCL 1.2 beignet 1.3
  DEVICE_TYPE:              GPU
  GLOBAL MEM SIZE:          2048 MB
  MAX MEM ALLOC:            1536 MB
  MAX IMAGE SIZE:          8192 x 8192
  MAX WORK GROUP SIZE:      256
  MAX WORK ITEM DIMENSIONS: 3
  MAX WORK ITEM SIZES:      [ 256 256 256 ]
  ASYNC PIXELPIPE:          NO
  PINNED MEMORY TRANSFER:  NO
  MEMORY TUNING:            NO
  FORCED HEADROOM:          400
  AVOID ATOMICS:            NO
  MICRO NAP:                250
  ROUNDUP WIDTH:            16
  ROUNDUP HEIGHT:          16
  CHECK EVENT HANDLES:      128
  TILING ADVANTAGE:        0.000
  DEFAULT DEVICE:          NO
[b]  *** marked as disabled ***[/b]
[opencl_init] no suitable devices found.