/***************************************************************************** * McPAT/CACTI * SOFTWARE LICENSE AGREEMENT * Copyright 2012 Hewlett-Packard Development Company, L.P. * All Rights Reserved * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer; * redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution; * neither the name of the copyright holders nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.” * ***************************************************************************/ #ifndef __CROSSBAR__ #define __CROSSBAR__ #include #include #include "basic_circuit.h" #include "cacti_interface.h" #include "component.h" #include "parameter.h" #include "mat.h" #include "wire.h" class Crossbar : public Component { public: Crossbar( double in, double out, double flit_sz, TechnologyParameter::DeviceType *dt = &(g_tp.peri_global)); ~Crossbar(); void print_crossbar(); double output_buffer(); void compute_power(); double n_inp, n_out; double flit_size; double tri_inp_cap, tri_out_cap, tri_ctr_cap, tri_int_cap; private: double CB_ADJ; /* * Adjust factor of the height of the cross-point (tri-state buffer) cell (layout) in crossbar * buffer is adjusted to get an aspect ratio of whole cross bar close to one; * when adjust the ratio, the number of wires route over the tri-state buffers does not change, * however, the effective wiring pitch changes. Specifically, since CB_ADJ will increase * during the adjust, the tri-state buffer will become taller and thiner, and the effective wiring pitch * will increase. As a result, the height of the crossbar (area.h) will increase. */ TechnologyParameter::DeviceType *deviceType; double TriS1, TriS2; double min_w_pmos, Vdd; }; #endif