One-sided vs. Two-sided Communication Paradigms on Relaxed ...

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<strong>Communication</strong> Paradigm TerritoryF U T U R E T E C H N O L O G I E S G R O U PTraditional Shared Memory - CoherentCaches <strong>One</strong>-<strong>sided</strong> load/store Default to relaxed ordering• Strict for synchronization Message Passing - nocoherence Send/recv matching Strict matchingLAWRENCE BERKELEY NATIONAL LABORATORY
<strong>Communication</strong> Paradigm TerritoryF U T U R E T E C H N O L O G I E S G R O U PTraditional Shared Memory - CoherentCaches <strong>One</strong>-<strong>sided</strong> load/store Default to relaxed ordering• Strict for synchronizationPGAS Shared Memory - CoherentCaches <strong>One</strong>-<strong>sided</strong> load/store Default to relaxed ordering• Strict for synchronization Message Passing - nocoherence between nodes Load/store matching Strict matching Partition Global Address space <strong>One</strong>-<strong>sided</strong> put/get strict ordering if blocking• Relaxed if non-blocking.LAWRENCE BERKELEY NATIONAL LABORATORY
Page 1 and 2: F U T U R E T E C H N O L O G I E S
Page 3 and 4: MotivationF U T U R E T E C H N O L
Page 5 and 6: Hopper HardwareF U T U R E T E C H
Page 7 and 8: MicrobenchmarkF U T U R E T E C H N
Page 9 and 10: DMAPP vs. uGNI (FM
Page 11 and 12: Relaxed Ordering and ConcurrencyF U
Page 13: Communication <str
Page 17 and 18: Relaxed Ordering andCommuni
Page 19 and 20: UPC Shared Memory Ordering Challeng
Page 21 and 22: Cray MPI Method to ExploitGemini Re
Page 23 and 24: MPI Eager 1F U T U R E T E C H N O
Page 25 and 26: MPI Rendezvous 1F U T U R E T E C H
Page 27 and 28: 1648Bwindow size1648BF U T U R E T
Page 29 and 30: window sizwindowwindow sizewindow s
Page 31: ConclusionF U T U R E T E C H N O L

One-sided vs. Two-sided Communication Paradigms on Relaxed ...

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