Multiple scripts versus single multi-threaded script
Jeremy Sanders
jeremy at jeremysanders.net
Fri Oct 4 04:02:42 EDT 2013
Roy Smith wrote:
> Threads are lighter-weight. That means it's faster to start a new
> thread (compared to starting a new process), and a thread consumes fewer
> system resources than a process. If you have lots of short-lived tasks
> to run, this can be significant. If each task will run for a long time
> and do a lot of computation, the cost of startup becomes less of an
> issue because it's amortized over the longer run time.
This might be true on Windows, but I think on Linux process overheads are
pretty similar to threads, e.g.
http://stackoverflow.com/questions/807506/threads-vs-processes-in-linux
Combined with the lack of a GIL-conflict, processes can be pretty efficient.
Jeremy
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