On 2018-07-10 12:37, Erik Bray wrote:
If I want to limit parallelization on a machine that I'm concurrently using for other work, that's kind of a decision a human has to make.
One could argue the other way around: if I want Sage to use all resources on the machine that it's running on, that's kind of a decision a human has to make. In other words: guessing is hard.
The default of 1 was certainly meant as feature: the idea being that parallellism is something that should be enabled explicitly. A bit like GNU make, which uses a single process by default but optionally supports multi-processing.
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