13.33.86.1 Arguments

-timing_driven|-standard

Sets layout mode to be timing driven or standard (non-timing driven). The default is -timing_driven or the mode used in the previous layout command.

-power_driven value

The following table shows the acceptable values for this argument:
ValueDescription

off

Does not run power-driven layout. This is the default.

on

Enables power-driven layout

-place_incremental value

The following table shows the acceptable values for this argument:

ValueDescription

off

Discards previous placement. This is the default

on

Sets the previous placement as the initial starting point

fix

Sets the previously placed macros’ locations as "fixed" and continues to place the remaining ones

-effort_level value

The effort level for the placement. Values range from 1 to 5 in whole integers. The lower numbers tend to give a result more quickly, but higher levels yield better performance in timing and routability.

-route_incremental value

The following table shows the acceptable values for this argument:
ValueDescription

off

Skips incremental mode, discards previous information. This is the default.

on

Invokes incremental mode, and sets the previous routing information as the initial starting point

-run_placer value

The following table shows the acceptable values for this argument:
ValueDescription

on

Invokes placement. This is the default.

off

Skips placement

-run_router value

The following table shows the acceptable values for this argument:
ValueDescription

on

Invokes routing if placement is successful. This is the default.

off

Skips routing