Hi,

I've recently got a (second-hand) netbook, it's an Asus 1215P, which
has a 12" display (1366x768) and a dual core Atom CPU 1.5ghz.

Because it's not a 10" model (1024x600) Darktable is quite usable on
it, except that it's not superfast, but still bearable to an extent.

However, I've noticed the demosaicing option is rather important:

"demosaicing for zoomed out darkroom mode"

always bilinear   ~   5 seconds to load
at most ppg       ~ 10 seconds to load

So this has a rather big impact on this little CPU that couldn't :)

That said, I think our new default (at most ppg) is fine for modern
proper computers. Still it would be rather cool if we could do some
simply CPU type detection, where (at first start) we look for what CPU
is present in the system, and if it is an Atom CPU we default to
always bilinear instead:

$ cat /proc/cpuinfo  | grep 'model name' | grep -i Atom
model name      : Intel(R) Atom(TM) CPU N550   @ 1.50GHz
model name      : Intel(R) Atom(TM) CPU N550   @ 1.50GHz
model name      : Intel(R) Atom(TM) CPU N550   @ 1.50GHz
model name      : Intel(R) Atom(TM) CPU N550   @ 1.50GHz

Regards,
Pascal de Bruijn

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