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Everything about Parallel external memory

In computer science, a parallel external memory (PEM) model is a cache-aware, external-memory abstract machine. It is the parallel-computing analogy to the single-processor external memory (EM) model. In a similar way, it is the cache-aware analogy to the parallel random-access machine (PRAM). The PEM model consists of a number of processors, together with their respective private caches and a shared main memory. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Parallel external memoryA 5-minute orientation
  2. Skim a recent paper: Memory-Aware External Facelist Calculation: A Data-Parallel Atomic Hash Counting ApproachInfluential work since 2022
  3. Pick up a classic book: Upgrading and repairing PCsThe most-reprinted book on the subject
  4. Read the landmark paper: Bulk Synchronous Parallel Algorithms for the External Memory ModelCited 13 times
  5. Go sideways: Merge sortA closely related topic
  6. Go sideways: External memory algorithmA closely related topic

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