Selon "Jay L." :
It is always difficult to diagnose performance issues at distance, but an
explanation could be that you hit cache trashing when alternating read and
writes. Whereas when you read several blocks and write them afterwards, you can
benefit from the read cached blocks. You could try i
I am working on processing some raster images and have been really
struggling with processing times. I have tracked the issue down to GDAL's
WriteArray() function. I am cutting the image into blocks and processing in
small chunks. This is facilitate working with really large images where the
ent
