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AR# 66047

route_design -nets/-physical_nets/-pin does not create the most optimal route

Description

When routing a single net or pin using -nets, -physical_nets, or -pin, route_design does not give the best QoR.

Is this a known issue?

Solution

By default, route_design -nets/-physical_nets/-pin is non-timing driven and uses a quick route approach to find a routing solution for the specified nets.

Use -delay to find a route with the shortest delay.

Alternatively, the -auto_delay option directs the router to try to achieve the shortest routed interconnect delay using the defined timing constraints.

AR# 66047
Date Created 11/24/2015
Last Updated 01/06/2016
Status Active
Type General Article
Tools
  • Vivado Design Suite