On jeudi 26 décembre 2019 04:02:35 CET Аl Воgnеr wrote:
> I wonder why an old pc with a GeForce 210, AMD Athlon II X2 270, 8G RAM
> is slower using opencl.
>
> darktable 2.6.3~git2.22c690a53
> Fresh installation of the pc, using default darktable-configuration
>
> $ darktable-cli bench.srw
I am in the same shoes. Using GeForce GT 525M/PCIe/SSE2 and it is slower
than CPU. My understanding is that the big benefit of fast GPU is only
if the GPU is significantly faster because there is time lost when the
data is copied from RAM to the GPU.
You may find this info useful.
I wonder why an old pc with a GeForce 210, AMD Athlon II X2 270, 8G RAM
is slower using opencl.
darktable 2.6.3~git2.22c690a53
Fresh installation of the pc, using default darktable-configuration
$ darktable-cli bench.srw bench.srw.xmp bench.jpg --core -d perf -d
opencl
[opencl_init] device 0:
