power optimisation : Top-down design vs. Bottom-up design

[omar-malek]

hi to all,

for power optimization what is the better method to syntheses the design Top-down design or Bottom-up design??

thank you

 

[nav_vlsi]

Depends on how do u want to design ? there is no single optimal solutaion for this problem
incase of starting form scratch - do top-down - as architectural top level strategies work better
Incase if ur are planning to re-use a design , then bottom-up would help.