Exam
r1
September 22, 2022
New (P1:
1.3
x
0.08 (1) + 0.92x
=
1.326087
=
Performance Ratio: Old
=
r
x2.5
v
x1*
I
Old IC
Old IC
...3(0.92x)
=
v
CPI.
New UPF.
8bits/byte
1.08
(x2.5
instruction/20 bits/2.5 bytes
144 instructions
CPI=
=
(360 bytes
(X144
ET
ICXCP
=>
380
C0.5067x101) (5x10-5C
v
1.49990
=
I
I
2
1.)
(80)(0.22)
=
6.
100%
8.8%
=
v
②
PEPvef
Pi
(2.2)-(145)
Edv2f
E(1.3)-(100)
=
-
350.9
=>
=
r
=
Dynamic
Power
is
84.5
&
minimized
I
4
2
3
10% increase
5% decrease
v
Cpu
=
total instructions
(0.95) (1.10)
=
1,045
in
[instruction count] (CPI) (cf
=
↓
in CPI
1.045
0.9569
=
4
no
improvement