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Groups > comp.lang.python > #55455

Re: Multiple scripts versus single multi-threaded script

From Jeremy Sanders <jeremy@jeremysanders.net>
Subject Re: Multiple scripts versus single multi-threaded script
Date 2013-10-04 10:02 +0200
References <f01b2e7a-9fc7-4138-bb6e-447d31179f2d@googlegroups.com> <roy-451497.12415103102013@news.panix.com>
Newsgroups comp.lang.python
Message-ID <mailman.710.1380873727.18130.python-list@python.org> (permalink)

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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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Thread

Multiple scripts versus single multi-threaded script JL <lightaiyee@gmail.com> - 2013-10-03 09:01 -0700
  Re: Multiple scripts versus single multi-threaded script Roy Smith <roy@panix.com> - 2013-10-03 12:41 -0400
    Re: Multiple scripts versus single multi-threaded script Chris Angelico <rosuav@gmail.com> - 2013-10-04 02:50 +1000
      Re: Multiple scripts versus single multi-threaded script Roy Smith <roy@panix.com> - 2013-10-03 14:28 -0400
        Re: Multiple scripts versus single multi-threaded script Chris Angelico <rosuav@gmail.com> - 2013-10-04 04:36 +1000
          Re: Multiple scripts versus single multi-threaded script Roy Smith <roy@panix.com> - 2013-10-03 15:53 -0400
            Re: Multiple scripts versus single multi-threaded script Chris Angelico <rosuav@gmail.com> - 2013-10-04 08:22 +1000
    Re: Multiple scripts versus single multi-threaded script Dave Angel <davea@davea.name> - 2013-10-03 18:40 +0000
    Re: Multiple scripts versus single multi-threaded script Jeremy Sanders <jeremy@jeremysanders.net> - 2013-10-04 10:02 +0200
    Re: Multiple scripts versus single multi-threaded script Grant Edwards <invalid@invalid.invalid> - 2013-10-04 16:38 +0000
  Re: Multiple scripts versus single multi-threaded script Chris Angelico <rosuav@gmail.com> - 2013-10-04 02:42 +1000

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