Have a look at my log during routing. I know the file is not present. But im interested in knowin what this file is all about..
thanks
#Start reading timing information from file ../op_data/route1/timing.graph ...
#WARNING (NRCM-25) file ../op_data/route1/timing.graph does not exist.
#WARNING (NRDB-187)
# Can not open file ../op_data/route1/timing.graph.
#WARNING (NRTM-25) Cannot find timing file ../op_data/route1/timing.graph.
#WARNING (NRGR-28) Timing file import failed, using non timing driven.
#start global routing iteration 3...