On 03.11.2016 19:11, Gnome Nomad wrote:
> Hmm, TIFF uses lossless compression. So why are you wanting to use no
> compression?
Depending on the computer and workload, compression and less-IO can be
faster or slower than no compression and more IO.
(on modern computers, the consensus seems to be that the CPU is so
much faster than IO that decompression with less IO is faster. However
if you have hardware doing the DMA to get things off disk and the CPU
is already pegged at 100%, the uncompressed scenario will win.
Similarly, compression may be slower than decompression, and for stuff
that needs to be stored once and read back only once or twice (like
for example temporary files in a "worflow"), the compression may slow
things down to be not useful overall.....)
Roger.
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