@aral Efficient Computing is not about running your energy wasting thingies on solar panels. You first want your thingies to waste less energy.
Hi Performance Computing is not about buying bigger machines, but making optimal use of what you have and use *smaller* machines if they can do the task.
Less is more! Learn to think 21st century.
https://storage.ning.com/topology/rest/1.0/file/get/8657487494?profile=original Page 9, from a group I'm involved in.
There can be nuance here, but agreed: Embedded energy needs to be taken into account, there is truth to the "sunk cost fallacy". Upgrading software rather than hardware *can* help with that, though the strong expectation seems to be that it doesn't.
@alcinnz @gert @aral One paradigm that speaks volumes is "the most sustainable stuff is the stuff you already have".