redhawk , Python, Routing, Apache, Perl, Tcl, physical design methodologies, CTS, floor-planning, PPA tradeoffs, LVS, Calibre, Physical Verification, Extraction, StarRC, Synopsys fusion compiler, floor plan synthesis, Synthesis, CPU physical design, EM, Ir, signoff, Place And Route, Timing Closure, DRC, Placement, Cadence PrimeTime