Slides - Stanford PPL - Stanford University

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Existing Schemes with Soft Guarantees ! Based on tweaking the replacement policy ! PIPP [ISCA 2009]: Lines inserted and promoted in LRU chain depending on the partition they belong to 8 Way 0 Way 1 Way 2 Way 3 Way 4 Way 5 Way 6 Way 7 WayPart PIPP 20 # Dynamic # Maintains associativity # Simple $ Few coarse-grain partitions $ Weak isolation $ Sacrifices replacement policy IPC improvement vs 16-way (%) 10 0 -10 -20 mix1 mix2
Comparison of Schemes 9 Scalable & fine-grain Strict isolation Dynamic Maintains assoc. Indep. of repl. policy Simple Way partitioning $ # # $ # # PIPP $ $ # # $ # Reconfig. caches $ # $ # # $ Page coloring $ # $ # # # Vantage Partitions whole cache # # # # $ (most) # # # # # #
Page 1 and 2: VANTAGE: SCALABLE AND EFFICIENT FIN
Page 3 and 4: Outline 3 ! Introduction ! Vantage
Page 5 and 6: Cache Partitioning 5 LLC L2 L2 L2 L
Page 7: Existing Schemes with Strict Guaran
Page 11 and 12: Vantage Design Overview 11 1. Use a
Page 13 and 14: ZCache [MICRO 2010] ! A highly-asso
Page 15 and 16: Managed-Unmanaged Region Division 1
Page 17 and 18: Churn-Based Management 17 1. Access
Page 19 and 20: Managing Apertures ! Set each apert
Page 21 and 22: A Simple Vantage Controller 21 ! Di
Page 23 and 24: Implementation Costs Partition (6b)
Page 25 and 26: Outline 25 ! Introduction ! Vantage
Page 27 and 28: Small-Scale: 4 cores, 4 partitions
Page 29 and 30: Small-Scale: 4 cores, 4 partitions
Page 31 and 32: Large-Scale: 32 cores, 32 partition
Page 33 and 34: Additional Results (see paper) 33 !
Page 35 and 36: THANK YOU FOR YOUR ATTENTION QUESTI
Page 37 and 38: Backup: Setpoint-Based Demotions !
Page 39: Unmanaged Size vs Isolation Trade-o

Slides - Stanford PPL - Stanford University

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