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Tuesday, September 15 • 2:55pm - 3:25pm
Building Cache Coherent, Heterogeneous-ISA Processors Using P-Mesh - Jonathan Balkind, University of California, Santa Barbara

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P-Mesh is the manycore cache coherence system underlying the OpenPiton research platform, which originally used the SPARCv9 ISA. A number of extensions to P-Mesh were needed to build the Bring Your Own Core (BYOC) platform, which added support for building heterogeneous-ISA processors made of cores of new, open ISAs like OpenPOWER. In this talk, Jonathan will introduce P-Mesh and the changes made to turn it into an ISA-agnostic memory system. Jonathan will detail the specific changes needed to support different ISAs, the new Transaction-Response Interface (TRI) for connecting cores, and initial efforts to support cores using the OpenPOWER ISA. Jonathan will also discuss efforts to connect multiple cores of different ISAs to build a single heterogeneous-ISA system.

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Speakers
avatar for Jonathan Balkind

Jonathan Balkind

Assistant Professor, University of California, Santa Barbara
Jonathan Balkind is an Assistant Professor in the Department of Computer Science at the University of California, Santa Barbara. His research interests lie at the intersection of Computer Architecture, Programming Languages, and Operating Systems. He is the Lead Architect of OpenPiton... Read More →

Building Cache Coherent Processors using P Mesh pdf
Tuesday September 15, 2020 2:55pm - 3:25pm CDT
Track 1
  Cores   ISA
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