wangwei created SINGA-133:
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Summary: Implement message passing using MPI
Key: SINGA-133
URL: https://issues.apache.org/jira/browse/SINGA-133
Project: Singa
Issue Type: Improvement
Reporter: wangwei
SINGA has a set of message passing interface following ZeroMQ.
Currently, the underlying implementation uses ZeroMQ.
Another commonly used message passing library is MPI.
The comparison between ZeroMQ and MPI is discussed herer
http://singa.apache.org/docs/communication.html.
This ticket is going to implement the message passing interface using MPI.
It would be used for optimize the communication between GPUs using RMDA.
Particularly, first we need to implement the intra-process communication by
ourselves, e.g., using a global message queue. The Send and Recv functions
operate against the global message queue. Second, we need to implement the
inter-process communication using MPI, which involves the MPI initialization
and message sending and receiving.
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