#13580: Parallel map reduce on SearchForest
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Reporter: hivert | Owner: hivert
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.4
Component: combinatorics | Resolution:
Keywords: map-reduce, | Merged in:
days57 | Reviewers: Sébastien Labbé
Authors: Florent Hivert, | Work issues:
Nathann Cohen | Commit:
Report Upstream: N/A | 98fd9e1c7a085b1ba62d004dba6cca4c89001cd2
Branch: | Stopgaps:
u/nthiery/13580/map_reduce |
Dependencies: |
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Comment (by hivert):
Replying to [comment:73 elixyre]:
> Go back to `None` activities, if I assume some users want to use
''nodes'' which could be `None` then my first idea is to use the
`post_process` function to avoid problem but... if the ''thief'' doesn't
receive then he send `None` and he says there is no job to do.
>
> I propose two solutions:
> - first one, to specify that `None` is not a node never! (this is
assumed but this must be explicited in the documentation),
I'm clearly in Favor of this solution. We assume that `None` doesn't blong
to the set described by the underlying RESet. Note that this is something
which concerns more the underlying RESet than the map-reduce computation.
--
Ticket URL: <http://trac.sagemath.org/ticket/13580#comment:74>
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