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sst/core/techModels/libMcPATbeta/router.h

00001 /*------------------------------------------------------------
00002  *                              CACTI 6.5
00003  *         Copyright 2008 Hewlett-Packard Development Corporation
00004  *                         All Rights Reserved
00005  *
00006  * Permission to use, copy, and modify this software and its documentation is
00007  * hereby granted only under the following terms and conditions.  Both the
00008  * above copyright notice and this permission notice must appear in all copies
00009  * of the software, derivative works or modified versions, and any portions
00010  * thereof, and both notices must appear in supporting documentation.
00011  *
00012  * Users of this software agree to the terms and conditions set forth herein, and
00013  * hereby grant back to Hewlett-Packard Company and its affiliated companies ("HP")
00014  * a non-exclusive, unrestricted, royalty-free right and license under any changes,
00015  * enhancements or extensions  made to the core functions of the software, including
00016  * but not limited to those affording compatibility with other hardware or software
00017  * environments, but excluding applications which incorporate this software.
00018  * Users further agree to use their best efforts to return to HP any such changes,
00019  * enhancements or extensions that they make and inform HP of noteworthy uses of
00020  * this software.  Correspondence should be provided to HP at:
00021  *
00022  *                       Director of Intellectual Property Licensing
00023  *                       Office of Strategy and Technology
00024  *                       Hewlett-Packard Company
00025  *                       1501 Page Mill Road
00026  *                       Palo Alto, California  94304
00027  *
00028  * This software may be distributed (but not offered for sale or transferred
00029  * for compensation) to third parties, provided such third parties agree to
00030  * abide by the terms and conditions of this notice.
00031  *
00032  * THE SOFTWARE IS PROVIDED "AS IS" AND HP DISCLAIMS ALL
00033  * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
00034  * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL HP
00035  * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
00036  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
00037  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
00038  * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
00039  * SOFTWARE.
00040  *------------------------------------------------------------*/
00041 
00042 
00043 
00044 #ifndef __ROUTER_H__
00045 #define __ROUTER_H__
00046 
00047 #include <assert.h>
00048 #include <iostream>
00049 #include "basic_circuit.h"
00050 #include "cacti_interface.h"
00051 #include "McPATcomponent.h"
00052 #include "mat.h"
00053 #include "parameter.h"
00054 #include "wire.h"
00055 #include "crossbar.h"
00056 #include "arbiter.h"
00057 
00058 
00059 
00060 class Router : public McPATComponent
00061 {
00062   public:
00063     Router(
00064         double flit_size_,
00065         double vc_buf, /* vc size = vc_buffer_size * flit_size */
00066         double vc_count,
00067         TechnologyParameter::DeviceType *dt = &(g_tp.peri_global),
00068         double I_ = 5,
00069         double O_ = 5,
00070         double M_ = 0.6);
00071     ~Router();
00072 
00073     /*---SoM SST-----*/
00074     void SSTleakage_feedback(double temperature);
00075     /*---EoM SST-----*/
00076 
00077     void print_router();
00078 
00079     McPATComponent arbiter, crossbar, buffer;
00080 
00081     double cycle_time, max_cyc;
00082     double flit_size;
00083     double vc_count;
00084     double vc_buffer_size; /* vc size = vc_buffer_size * flit_size */
00085 
00086   private:
00087         TechnologyParameter::DeviceType *deviceType;
00088         double FREQUENCY; // move this to config file --TODO
00089     double Cw3(double len);
00090     double gate_cap(double w);
00091     double diff_cap(double w, int type /*0 for n-mos and 1 for p-mos*/, double stack);
00092     enum Wire_type wtype;
00093     enum Wire_placement wire_placement;
00094     //corssbar
00095     double NTtr, PTtr, wt, ht, I, O, NTi, PTi, NTid, PTid, NTod, PTod, TriS1, TriS2;
00096     double M; //network load
00097     double transmission_buf_inpcap();
00098     double transmission_buf_outcap();
00099     double transmission_buf_ctrcap();
00100     double crossbar_inpline();
00101     double crossbar_outline();
00102     double crossbar_ctrline();
00103     double tr_crossbar_power();
00104     void  cb_stats ();
00105     double arb_power();
00106     void  arb_stats ();
00107     double buffer_params();
00108     void buffer_stats();
00109 
00110 
00111     //arbiter
00112 
00113     //buffer
00114 
00115     //router params
00116     double Vdd;
00117 
00118     void calc_router_parameters();
00119     void get_router_area();
00120     void get_router_power();
00121     void get_router_delay();
00122 
00123     double min_w_pmos;
00124 
00125 
00126 };
00127 
00128 #endif

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