Matthias Bodenbinder <matth...@bodenbinder.de> writes: > Am 28.02.2017 um 13:25 schrieb David Bremner: >> Matthias Bodenbinder <matth...@bodenbinder.de> writes:
> 1) download this RAW file: http://www.mirada.ch/bench.SRW > 2) the xmp file for my test is attached to this email (bench.SRW.xmp) > 3) put both files in the same directory > 4) disable opencl in the darktable GUI > 5) run "darktable-cli bench.SRW test.jpg --core -d perf -d opencl" I'm not able to reproduce the large difference between the debian package and compiling with ./build.sh --disable-gnome-keyring --build-type Release On my machine (an older i7), I get an average of 40s to export with 2.2.3-2 (compiled with -O3, just uploaded) and an average of 39s with the build.sh produced binary. In both cases the time is dominated by the non-local means noise reduction (about 24s). Looking only at the time in the equalizer module, the improvement is a slightly larger (as a percentage) 7.9 seconds for build.sh versions 8.5 seconds for the debian package. Given we can't use -march=native or -mtune=native, that's probably an acceptable slowdown. d
