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sst/core/techModels/libMcPATbeta/htree2.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 #ifndef __HTREE2_H__
00044 #define __HTREE2_H__
00045 
00046 #include "basic_circuit.h"
00047 #include "McPATcomponent.h"
00048 #include "parameter.h"
00049 #include "assert.h"
00050 #include "subarray.h"
00051 #include "cacti_interface.h"
00052 #include "wire.h"
00053 
00054 // leakge power includes entire htree in a bank (when uca_tree == false)
00055 // leakge power includes only part to one bank when uca_tree == true
00056 
00057 class Htree2 : public McPATComponent
00058 {
00059   public:
00060     Htree2(enum Wire_type wire_model,
00061         double mat_w, double mat_h, int add, int data_in, int search_data_in, int data_out, int search_data_out, int bl, int wl,
00062         enum Htree_type h_type, bool uca_tree_ = false, bool search_tree_ = false,
00063         TechnologyParameter::DeviceType *dt = &(g_tp.peri_global));
00064     ~Htree2() {};
00065 
00066     void in_htree();
00067     void out_htree();
00068 
00069     // repeaters only at h-tree nodes
00070     void limited_in_htree();
00071     void limited_out_htree();
00072     void input_nand(double s1, double s2, double l);
00073     void output_buffer(double s1, double s2, double l);
00074 
00075     double in_rise_time, out_rise_time;
00076 
00077     void set_in_rise_time(double rt)
00078     {
00079       in_rise_time = rt;
00080     }
00081 
00082     double max_unpipelined_link_delay;
00083     powerDef power_bit;
00084 
00085 
00086   private:
00087     double wire_bw;
00088     double init_wire_bw;  // bus width at root
00089     enum Htree_type tree_type;
00090     double htree_hnodes;
00091     double htree_vnodes;
00092     double mat_width;
00093     double mat_height;
00094     int add_bits, data_in_bits,search_data_in_bits,data_out_bits,  search_data_out_bits;
00095     int ndbl, ndwl;
00096     bool uca_tree; // should have full bandwidth to access all banks in the array simultaneously
00097     bool search_tree;
00098 
00099     enum Wire_type wt;
00100     double min_w_nmos;
00101     double min_w_pmos;
00102 
00103     TechnologyParameter::DeviceType *deviceType;
00104 
00105 };
00106 
00107 #endif

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