Beowulf clusters

Oscar Benjamin oscar.j.benjamin at
Mon Jan 14 03:30:17 CET 2013

On 14 January 2013 02:22, Mark Janssen <dreamingforward at> wrote:
> On Sun, Jan 13, 2013 at 8:19 PM, Oscar Benjamin
> <oscar.j.benjamin at> wrote:
>> On 14 January 2013 02:10, Mark Janssen <dreamingforward at> wrote:
>>> Has anyone used python for high-performance computing on Beowulf clusters?
>> Yes.
> How did they deal with the Global interpreter lock across many machines?

Unless I've drastically misunderstood something there is no GIL across
many machines. The GIL is a per-process lock so there is a different
GIL for each process on the same machine and there is no interaction
between the GILs on the same, or on different, machines.


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