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🔗 Source: charm.cs.illinois.edu
📊 Size: 356 KB
📄 Pages: 15 pages
⬇️ Downloads: 46

Summary

Researchers from the University of Illinois at Urbana-Champaign conducted a case study on optimizing communication in 3D mesh interconnects, crucial for efficient parallel scaling in communication-bound applications. They presented topology-aware mapping as a technique to improve performance, building upon object-based decomposition used in Charm++. The study focused on OpenAtom, a production Car-Parrinello ab initio Molecular Dynamics code, and demonstrated significant performance improvements on up to 16,384 processors of Blue Gene/L, 8,192 processors of Blue Gene/P, and 2,048 processors of Cray XT3. The researchers highlighted the importance of considering network topology in task mapping to minimize communication volume and average number of hops traveled by bytes communicated.

Description

Researchers from the University of Illinois at Urbana-Champaign conducted a case study on optimizing communication in 3D mesh interconnects, crucial for...

Technical Information

  • File Format: PDF
  • File Size: 356 KB
  • Pages: 15
  • Language: EN
  • Total Downloads: 46
  • Last Updated: 2 months ago

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