echo "Physical Design Stage, Core Area (um^2), Standard Cell Area (um^2), Macro Area (um^2), Total Power (mW), Wirelength(um), WS(ns), TNS(ns), Congestion(H), Congestion(V)" > ${DESIGN}_DETAILS.rpt
echo "Physical Design Stage, Core Area (um^2), Standard Cell Area (um^2), Macro Area (um^2), Total Power (mW), Wirelength(um), WS(ns), TNS(ns), Congestion(H), Congestion(V)" > ${DESIGN}_DETAILS.rpt