Hi,
I used congOpt to remove congestions in my design.like "congOpt -nrIterIncongOpt 80",But the tool tell me "Improving Congestion Failed" at the end.There‘s no error from tool for remind. I used version of 8.1.
How to solve this?
And, can someone tell me some skill to improving congestion?
attach"
Starting refinePlace ...
Statistics of distance of Instance movement in detailed placement:
maximum (X+Y) = 87.36 um
inst (xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/u96) with max move: (134.96, 1123.36) -> (133.84, 1209.6)
mean (X+Y) = 4.37 um
Total instances moved : 3710
*** cpu=0:00:00.3 mem=350.9M mem(used)=0.0M***
*** End of Improving Congestion (cpu = 0:00:04.2) ***
**WARN: (SOCSP-9023): Improvement for Congestion failed.
"