These are my recent Pinboard.in links:
‘The aim is to produce maps that governments cannot ignore’ | berfrois
“Consider events in the Democratic Republic of the Congo, formerly Zaire. There, in the aftermath of a long civil war, the government is currently zoning its forests — which cover as much as 316 million acres, an area nearly the size of France, Germany and Spain combined — in preparation for their mass allocation to logging companies. Old European timber conglomerates want to reactivate their concessions, some dating back almost to the brutal days more than a century ago when the entire country was run by King Leopold of Belgium. Logging newcomers from Malaysia and China also want a slice of the action.”
GIS mapping corporatism activism ontological-war
How fast is bit packing?
On my macbook air (Intel core i7), I get that the unpacking speed is not very sensitive to the specific number of bits: generally, the smaller the bit width, the faster the unpacking. The packing speed is much faster when the bit width is 8 or 16. Even so, the difference is only by a factor of two or so. The results are presented in the next figure. On the y axis, you have the time (smaller is better). On the the x axis, we have the number of bits we packed to. For example, when bit is 1, we pack 32 integers into a single 32-bit word. When the number of bits is set to 32 bits, we have a regular copy.