SC is the International Conference for
High Performance Computing, Networking,
Storage and Analysis

SCHEDULE: NOV 12-18, 2011

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SESSION: PARALLEL: The Storage Hierarchy

EVENT TYPE: Education

TIME: 2:00PM - 3:00PM


Presenter(s):Thomas Murphy, Charlie Peck, Daniel Ernst, Henry Neeman

ROOM:WSCC 611/612/613/614

This session focuses on the implications of a fundamental reality: fast implies expensive implies small, and slow implies cheap implies large. Topics include: registers; cache, RAM, and the relationship between them; cache hits and misses; cache lines; cache mapping strategies (direct, fully associative, set associative); cache conflicts; write-through vs. write-back; locality; tiling; hard disk; virtual memory. A key point: Parallel performance can be hard to predict or achieve without understanding the storage hierarchy. Prerequisite: "HPC Overview" session or equivalent. Assumed background: one semester of programming in any of C, C++ or Fortran, recently, one semester of experience with any Unix-like operating system (could be Linux but doesn't have to be), recently.

Chair/Presenter Details:

Tom Murphy (Chair) - Contra Costa College

Thomas Murphy - Contra Costa College

Charlie Peck - Earlham College

Daniel Ernst - Cray Inc.

Henry Neeman - University of Oklahoma

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