21
FIT100
One More Factor
How fast do computers run? Measure +
*Univac I ran 100,000 adds/sec in 1954
*My IBM runs about 500,000,000 adds
•A
factor-of-5,000 improvement
*ASCI Red ran 2,100,000,000,000 in 1999
•A
factor-of-21 Million improvement
Can
we comprehend such speeds or such factors of improvement???