176 lines
6 KiB
C++
176 lines
6 KiB
C++
/*****************************************************************************
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* CACTI 7.0
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* SOFTWARE LICENSE AGREEMENT
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* Copyright 2015 Hewlett-Packard Development Company, L.P.
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* All Rights Reserved
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.”
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*
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***************************************************************************/
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#ifndef __MAT_H__
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#define __MAT_H__
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#include "component.h"
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#include "decoder.h"
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#include "wire.h"
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#include "subarray.h"
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#include "powergating.h"
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class Mat : public Component
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{
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public:
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Mat(const DynamicParameter & dyn_p);
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~Mat();
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double compute_delays(double inrisetime); // return outrisetime
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void compute_power_energy();
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const DynamicParameter & dp;
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// TODO: clean up pointers and powerDefs below
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Decoder * row_dec;
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Decoder * bit_mux_dec;
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Decoder * sa_mux_lev_1_dec;
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Decoder * sa_mux_lev_2_dec;
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PredecBlk * dummy_way_sel_predec_blk1;
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PredecBlk * dummy_way_sel_predec_blk2;
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PredecBlkDrv * way_sel_drv1;
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PredecBlkDrv * dummy_way_sel_predec_blk_drv2;
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Predec * r_predec;
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Predec * b_mux_predec;
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Predec * sa_mux_lev_1_predec;
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Predec * sa_mux_lev_2_predec;
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Wire * subarray_out_wire;
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Driver * bl_precharge_eq_drv;
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Driver * cam_bl_precharge_eq_drv;//bitline pre-charge circuit is separated for CAM and RAM arrays.
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Driver * ml_precharge_drv;//matchline prechange driver
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Driver * sl_precharge_eq_drv;//searchline prechage driver
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Driver * sl_data_drv;//search line data driver
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Driver * ml_to_ram_wl_drv;//search line data driver
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powerDef power_row_decoders;
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powerDef power_bit_mux_decoders;
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powerDef power_sa_mux_lev_1_decoders;
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powerDef power_sa_mux_lev_2_decoders;
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powerDef power_fa_cam; // TODO: leakage power is not computed yet
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powerDef power_bl_precharge_eq_drv;
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powerDef power_subarray_out_drv;
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powerDef power_cam_all_active;
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powerDef power_searchline_precharge;
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powerDef power_matchline_precharge;
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powerDef power_ml_to_ram_wl_drv;
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double delay_fa_tag, delay_cam;
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double delay_before_decoder;
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double delay_bitline;
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double delay_wl_reset;
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double delay_bl_restore;
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double delay_searchline;
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double delay_matchchline;
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double delay_cam_sl_restore;
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double delay_cam_ml_reset;
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double delay_fa_ram_wl;
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double delay_hit_miss_reset;
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double delay_hit_miss;
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Subarray subarray;
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powerDef power_bitline, power_searchline, power_matchline, power_bitline_gated;
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double per_bitline_read_energy;
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int deg_bl_muxing;
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int num_act_mats_hor_dir;
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double delay_writeback;
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Area cell,cam_cell;
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bool is_dram,is_fa, pure_cam, camFlag;
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int num_mats;
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powerDef power_sa;
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double delay_sa;
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double leak_power_sense_amps_closed_page_state;
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double leak_power_sense_amps_open_page_state;
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double delay_subarray_out_drv;
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double delay_subarray_out_drv_htree;
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double delay_comparator;
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powerDef power_comparator;
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int num_do_b_mat;
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int num_so_b_mat;
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int num_sa_subarray;
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int num_sa_subarray_search;
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double C_bl;
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uint32_t num_subarrays_per_mat; // the number of subarrays in a mat
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uint32_t num_subarrays_per_row; // the number of subarrays in a row of a mat
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double array_leakage;
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double wl_leakage;
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double cl_leakage;
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Sleep_tx * sram_sleep_tx;
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Sleep_tx * wl_sleep_tx;
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Sleep_tx * cl_sleep_tx;
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powerDef array_wakeup_e;
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double array_wakeup_t;
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double array_sleep_tx_area;
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powerDef blfloating_wakeup_e;
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double blfloating_wakeup_t;
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double blfloating_sleep_tx_area;
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powerDef wl_wakeup_e;
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double wl_wakeup_t;
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double wl_sleep_tx_area;
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powerDef cl_wakeup_e;
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double cl_wakeup_t;
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double cl_sleep_tx_area;
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double compute_bitline_delay(double inrisetime);
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double compute_sa_delay(double inrisetime);
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double compute_subarray_out_drv(double inrisetime);
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private:
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double compute_bit_mux_sa_precharge_sa_mux_wr_drv_wr_mux_h();
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double width_write_driver_or_write_mux();
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double compute_comparators_height(int tagbits, int number_ways_in_mat, double subarray_mem_cell_area_w);
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double compute_cam_delay(double inrisetime);
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//double compute_bitline_delay(double inrisetime);
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//double compute_sa_delay(double inrisetime);
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//double compute_subarray_out_drv(double inrisetime);
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double compute_comparator_delay(double inrisetime);
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int RWP;
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int ERP;
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int EWP;
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int SCHP;
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};
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#endif
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