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Avoid mixed and multi-threaded NUMA accesses
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Classroom Contents
An Empirical Guide to the Behavior and Use of Scalable Persistent Memory
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- 1 Intro
- 2 Outline
- 3 Background: Optane in the Machine
- 4 Background: Optane Internals
- 5 Background: Optane Interleaving
- 6 Basics: Our Approach
- 7 Test Platform
- 8 Basics: Latency
- 9 Basics: Bandwidth
- 10 Avoid small random accesses
- 11 Lessons: Optane Buffer Size
- 12 Use ntstores for large writes
- 13 Lessons: Store instructions
- 14 Lessons: Contention at Optane Buffer
- 15 Lesson: Contention at IMC
- 16 Limit threads accessing one NVDIMM
- 17 Avoid mixed and multi-threaded NUMA accesses
- 18 Conclusion
