mcpat/cacti/wire.cc

149             delay = global.delay * wire_length;
160             delay = global_5.delay * wire_length;
171             delay = global_10.delay * wire_length;
182             delay = global_20.delay * wire_length;
193             delay = global_30.delay * wire_length;
204         out_rise_time = delay * repeater_spacing / deviceType->Vth;
396  * Calculates the delay, power and area of the transmitter circuit.
398  * The transmitter delay is the sum of nand gate delay, inverter delay
399  * low swing nmos delay, and the wire delay
411      * Try to size the driver such that the delay
415      * In either case, recalculate the delay using
436     // size the inverter appropriately to minimize the transmitter delay
438     // bring down delay. Instead, we are sizing the single gate
448     /* nand gate delay */
457     delay = horowitz(inputrise, timeconst, deviceType->Vth / deviceType->Vdd,
461     inputrise = delay / (deviceType->Vdd - deviceType->Vth); /* for the next stage */
463     /* Inverter delay:
474     delay += horowitz(inputrise, timeconst, deviceType->Vth / deviceType->Vdd,
479     transmitter.delay = delay;
490     inputrise = delay / deviceType->Vth;
492     /* nmos delay + wire delay */
512     delay += horowitz(inputrise, timeconst, deviceType->Vth /
518     l_wire.delay = delay - transmitter.delay;
529     delay += g_tp.sense_delay;
531     sense_amp.delay = g_tp.sense_delay;
577     // size the repeater such that the delay of the wire is minimum
596     delay = 0.693 * tc * len / repeater_spacing;
623 // calculate power/delay values for wires with suboptimal repeater sizing/spacing
640                 global.delay = del;
650             repeated_wire.back().delay = del;
661     low_swing.delay = l_wire->delay;
672     del[3] = this->global.delay + this->global.delay * .3;
673     del[2] = global.delay + global.delay * .2;
674     del[1] = global.delay + global.delay * .1;
675     del[0] = global.delay + global.delay * .05;
685             if (citer->delay > threshold) {
695                         global_30.delay = citer->delay;
699                         global_20.delay = citer->delay;
703                         global_10.delay = citer->delay;
707                         global_5.delay = citer->delay;
720 powerDef Wire::wire_model (double space, double size, double *delay) {
759     *delay = 0.693 * tc * len / repeater_spacing;
789         " \n\tDelay - " << global.delay*1e6 <<  " (ns/mm)"
800         " \n\tDelay - " << global_5.delay *1e6 <<  " (ns/mm)"
810         " \n\tDelay - " << global_10.delay *1e6 <<  " (ns/mm)"
820         " \n\tDelay - " << global_20.delay *1e6 <<  " (ns/mm)"
830         " \n\tDelay - " << global_30.delay *1e6 <<  " (ns/mm)"
839         "delay and power values of low-swing wires do not\n\t" <<
841         " \n\tdelay - " << low_swing.delay *1e9 <<  " (ns)"