Cheetah: A Framework for Scalable Hierarchical Collective Operations

  title={Cheetah: A Framework for Scalable Hierarchical Collective Operations},
  author={Richard L. Graham and Manjunath Gorentla Venkata and Joshua Ladd and Pavel Shamis and Ishai Rabinovitz and Velitchko Andreev Filipov and Gilad Shainer},
  journal={2011 11th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing},
Collective communication operations, used by many scientific applications, tend to limit overall parallel application performance and scalability. Computer systems are becoming more heterogeneous with increasing node and core-per-node counts. Also, a growing number of data-access mechanisms, of varying characteristics, are supported within a single computer system. We describe a new hierarchical collective communication framework that takes advantage of hardware-specific data-access mechanisms… CONTINUE READING
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