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command to set toggle rate in cadence genus synthesis

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anilineda

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Hi all,

I know the attribute to set the units for a toggle rate in cadence synthesis tool as below.

"set_attribute lp_toggle_rate_unit /ns /" .
But how can i give the toggle rate of some value 10 by command . someone please give me the syntax.

And the next question is, genus default toggle rate is 0.02 toggles per ns. how to understand this, plz explain this.

regards
 

Why do you even wanna do this?

The default approach is to give an activity file for the tool (typically a VCD file), from which genus calculates the toggle rates for you.
Changing the unit will have no impact, it will just show a different unit in the report.
 

ThisIsNotSam said:
Why do you even wanna do this?

The default approach is to give an activity file for the tool (typically a VCD file), from which genus calculates the toggle rates for you.
Changing the unit will have no impact, it will just show a different unit in the report.
Click to expand...

my boss asked me to synthesize a big collection of RTL files with a 28nm tsmc hpm libraries. I was told to play around with the "toggle rate" usage in the script in order to report less power as possible (i know about clock gating).
here How someone deal with it ?? please help.
 

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