'Main mem' presentation slideshows

M e m o r y

M e m o r y. Computer Performance. It depends in large measure on the interface between processor and memory. CPI (or IPC) is affected. CPI = Cycles per instruction IPC = Instructions per cycle. Program locality. Temporal locality (Data) Recently referenced information Spatial locality

697 views • 60 slides

Large-scale file systems and Map-Reduce

Large-scale file systems and Map-Reduce. Google example: 20+ billion web pages x 20KB = 400+ Terabyte 1 computer reads 30-35 MB/sec from disk ~4 months to read the web ~1,000 hard drives to store the web Takes even more to do something useful with the data

492 views • 31 slides

COMP 206: Computer Architecture and Implementation

COMP 206: Computer Architecture and Implementation. Montek Singh Wed, Nov 16, 2005 Topic: Main Memory (DRAM) Organization. Outline. Introduction DRAM Organization Challenges Bandwidth Granularity Performance Reading: HP3 5.8 and 5.9. Basics of DRAM Technology. DRAM (Dynamic RAM)

327 views • 19 slides

MESI Cache Coherency Protocal

260 views • 6 slides