[Python-ideas] channel (synchronous queue)

[Massimo Di Pierro]

+1

On Feb 19, 2012, at 6:40 PM, Sturla Molden wrote:

> Den 20.02.2012 00:38, skrev Massimo Di Pierro:
>> It would be very useful to have something like these channels built-in. Notice that using OS pipes have the problem of a OS dependent size. send is non-blocking for small data-size but becomes blocking for large data sizes. Using OS mkfifo or multiprocessing Queue is better but the OS limits the number of files open by one program. 
> 
> Most MPI implementations use shared memory on localhost. In theory one could implement a queue (deque and lock) using a shared memory region (a file on /tmp or Windows equivalent). It would be extremely fast and could contain any number of "pipes" of arbitrary size.
> 
> Sturla
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