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NFU Reduction Operation
Jelena Pješivac-Grbovi
Distributed Systems
Fall 2004
Contents
Introduction
Library Installation
User Interface
User Interface Routines and Their Arguments
Initialization Step
All_reduce Operation
Finalizing step
Network vs. Host Byte Order
Usage Example
Client Example Code
Running examples
Comments and Caveats
Design
Auxiliary data structures
The
all_reduce
Function
Reduce Algorithms
Broadcasting the Result
The
reduce_op
NFU
Current Limitations of Allreduce Operation
Discussion and Summary
Proposed Changes in the IBP API
Personal Experience
Acknowledgments
Bibliography
About this document ...
Jelena Pjesivac-Grbovic 2004-12-01
