Friday, March 17, 2017

dcraw speeds

It would be useful to be able to edit the dcraw code to make it convert only a region of interest - conversion times are quite long.

On Windows 8, running on an i7, 7.8 sec per image for 14 megapixel CR2 file from a Canon 1100D.
On Macbook i7 with Linux Mint 18, 4.4sec
On Windows XP, running on a 1.9 GHz Athlon, 12 sec.

Converted using
dcraw -v -4 -H 0 -W -w -q 3 -T

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