Basic HTML version of Foils prepared 20 February 00

Foil 52 Processor-DRAM Growing Performance Gap (latency)

From Introduction to Computational Science CPS615 Computational Science Class -- Spring Semester 2000. by Geoffrey C. Fox
1 From Jim Demmel -- remaining from David Culler
2 This implies need for complex memory systems to hide memory latency
3 µProc
4 60%/yr.
5 DRAM
6 7%/yr.
7 1
8 10
9 100
10 1000
11 1980
12 1981
13 1983
14 1984
15 1985
16 1986
17 1987
18 1988
19 1989
20 1990
21 1991
22 1992
23 1993
24 1994
25 1995
26 1996
27 1997
28 1998
29 1999
30 2000
31 DRAM
32 CPU
33 1982
34 Processor-Memory
35 Performance Gap: (grows 50% / year)
36 Time
37 "Moore's Law"
38 Performance
in Table To:

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