With today's typical amount of graphics cards memory we should probably increase the default setting of that parameter to maybe 400 or 450.

In "the old days" when we only had like 1GB a too high value would have forced darktable to go into useless tiling, but with more GPU memory that's really not an issue any longer.

Ulrich

Am 20.02.2018 um 20:46 schrieb Peter Mc Donough:
Am 20.02.2018 um 20:09 schrieb Ulrich Pegelow:
That's an out-of-resources problem on your graphics card. Try to increase darktable's config variable opencl_memory_headroom (in file darktablerc) to something like 400.

Shouldn't that be configured in darktable GUI settings options?

e.g. With graphics cards with less than "whatever" memory set headroom to "whatever" and avoid running other graphics card loads.

cu
Peter
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