L2_IntroductionRev0.2 - CMPE 200 COMPUTER ARCHITECTURE...

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Unformatted text preview: CMPE 200 COMPUTER ARCHITECTURE Lecture 2 – Introduction cont‟d Haluk Katircioglu Computer Engineering Department SJSU Lecture 2 2 Lecture 2: Introduction cont’d Technology Programming Languages Operating Systems History Applications Interface Design (ISA) Measurement & Evaluation Parallelism Computer Architecture: • Organization • Hardware/Software Boundary Compilers Last Lecture: NEW Computer Architecture skill sets: Technology trends o Design techniques o Machine structures o Technology factors o Evaluation methods from David Patterson Cmpe 200 Lecture 2 3 Lecture 2: Introduction cont’d TODAY: Technology Trends: Culture of tracking, anticipating and exploiting advances in technology from David Patterson Cmpe 200 Lecture 2 4 Lecture 2: Introduction cont’d Technology Trends: A look at Disks, Memories, Networks and Processors Bandwidth: number of events per unit time o M bytes/second for disks o M bits/second for serial communication Latency: elapsed time for a single event o Average disk access time in milliseconds o one-way network delay in microseconds o Performance improvement methods from David Patterson Cmpe 200 Lecture 2 5 Lecture 2: Introduction cont’d Latency Lags Bandwidth (for last ~20 years) • Performance Milestones • Disk : 3600, 5400, 7200, 10000, 15000 RPM (8x, 143x) (latency = simple operation w/o contention BW = best-case) 1 10 100 1000 10000 1 10 100 Relative Latency Improvement Relative BW Improve ment Disk (Latency improvement = Bandwidth improvement) from David Patterson Cmpe 200 Lecture 2 6 Lecture 2: Introduction cont’d Latency Lags Bandwidth (for last ~20 years) (latency = simple operation w/o contention BW = best-case) 1 10 100 1000 10000 1 10 100 Relative Latency Improvement...
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This note was uploaded on 03/22/2011 for the course CMPE 200 taught by Professor Haluk during the Spring '08 term at San Jose State University .

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L2_IntroductionRev0.2 - CMPE 200 COMPUTER ARCHITECTURE...

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