L2.Cost_and_Performa - ECE475/CS4420 Computer Architecture L2 Cost and Performance Edward Suh Computer Systems Laboratory [email protected]

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1 ECE475/CS4420 Computer Architecture L2: Cost and Performance Edward Suh C omputer S ystems L aboratory [email protected] 2 ECE 475/CS 4420 — Computer Architecture, Fall 2008, Suh Announcements Handouts for Labs 0 is available on CMS if no CMS access by tonight, email [email protected] Systems supported ph329 machines amdpool.ece.cornell.edu: remote login Lab groups are up to two people three-people groups not allowed Reading: Chapter 1
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2 3 Today’s Agenda How to make design decision in computer architecture? Case Study: Google Cluster Architecture Costs Performance Benefits ECE 475/CS 4420 — Computer Architecture, Fall 2008, Suh 4 The Design Process ECE 475/CS 4420 — Computer Architecture, Fall 2008, Suh
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3 5 Google Cluster Architecture Web Search for a Planet: The Google Cluster Architecture, IEEE Micro 03 ECE 475/CS 4420 — Computer Architecture, Fall 2008, Suh 6 Application Characteristics Cont. 1 query requires 100s MB data & 10s of billions of CPU cycles BW is not a bottleneck (20%) ECE 475/CS 4420 — Computer Architecture, Fall 2008, Suh
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7 Cluster Options Option A (IBM eServer 440) 8 2-GHz Xeon CPUs 64 GB RAM 8 TB HDD (SCSI / RAID?) 2100W $758,000 Option B (rack of 88) 2 2-GHz Xeon CPUs (176 total) 2 GB RAM (176GB total) 80 GB HDD (IDE / no RAID, 7 TB total) 120W (~10KW total) $278,000 ECE 475/CS 4420 — Computer Architecture, Fall 2008, Suh 8 Design Decision Metric = Min Cost / Query ~= Min Cost / Performance Cost? Performance?
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This note was uploaded on 10/15/2008 for the course ECE 4750 taught by Professor Suh during the Fall '07 term at Cornell University (Engineering School).

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L2.Cost_and_Performa - ECE475/CS4420 Computer Architecture L2 Cost and Performance Edward Suh Computer Systems Laboratory [email protected]

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