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Beyond Cache-consciousness: Exploring Hardware Advances and Emerging Challenges

This paper discusses the limits of cache-consciousness and explores emerging challenges in the field of computer architecture, including many-core CPUs, parallelization, resource management, scheduling, flash drives, and energy-aware techniques.

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Beyond Cache-consciousness: Exploring Hardware Advances and Emerging Challenges

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  1. Beyond cache-consciousness Stavros Harizopoulos M.I.T.

  2. Cache-conscious DB research Page layouts Cache partitioning algorithms Cache-conscious indexes But is this still the tip of the iceberg?

  3. Main Memory CPU L2 cache L1 cache Hardware advances e.g., L2 data prefetcher: 6GB/sec!!

  4. stall #1 total CPU time stall #2 Amdahl’s law at most X% So, are we reaching a point of diminishing returns?

  5. There are more important challenges • Many-core CPUs (think 100s) • Parallelization (you think this is solved?) • Resource management • Scheduling!! • Flash drives • Flash drives are going to be the new disk drives Disk drives are going to be the old tape drives • Revisit query processing, energy-aware techniques

  6. Shameless self-advertising I am in the job market! I am interested in both Academia & Labs US & Europe PhD @ CMU, PostDoc @ MIT http://nms.csail.mit.edu/~stavros

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