{HEAD ~ A portion} of the clock tree supplies {TAIL ~ a plurality} of clocks to the execution circuit, the plurality of clocks including at least a first clock clocking the first subcircuit and at least a second clock clocking the second subcircuit 
{ HEAD ~ A portion } of the clock tree supplies { TAIL ~ a plurality } of clocks to the execution circuit , the plurality of clocks including at least a first clock clocking the first subcircuit and at least a second clock clocking the second subcircuit
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH