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Diffstat (limited to 'ext/mcpat/cacti/decoder.h')
| -rw-r--r-- | ext/mcpat/cacti/decoder.h | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/ext/mcpat/cacti/decoder.h b/ext/mcpat/cacti/decoder.h new file mode 100644 index 000000000..35631e84b --- /dev/null +++ b/ext/mcpat/cacti/decoder.h @@ -0,0 +1,247 @@ +/***************************************************************************** + * 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 __DECODER_H__ +#define __DECODER_H__ + +#include <vector> + +#include "area.h" +#include "component.h" +#include "parameter.h" + +using namespace std; + + +class Decoder : public Component +{ + public: + Decoder( + int _num_dec_signals, + bool flag_way_select, + double _C_ld_dec_out, + double _R_wire_dec_out, + bool fully_assoc_, + bool is_dram_, + bool is_wl_tr_, + const Area & cell_); + + bool exist; + int num_in_signals; + double C_ld_dec_out; + double R_wire_dec_out; + int num_gates; + int num_gates_min; + double w_dec_n[MAX_NUMBER_GATES_STAGE]; + double w_dec_p[MAX_NUMBER_GATES_STAGE]; + double delay; + //powerDef power; + bool fully_assoc; + bool is_dram; + bool is_wl_tr; + const Area & cell; + + + void compute_widths(); + void compute_area(); + double compute_delays(double inrisetime); // return outrisetime + + void leakage_feedback(double temperature); +}; + + + +class PredecBlk : public Component +{ + public: + PredecBlk( + int num_dec_signals, + Decoder * dec, + double C_wire_predec_blk_out, + double R_wire_predec_blk_out, + int num_dec_per_predec, + bool is_dram_, + bool is_blk1); + + Decoder * dec; + bool exist; + int number_input_addr_bits; + double C_ld_predec_blk_out; + double R_wire_predec_blk_out; + int branch_effort_nand2_gate_output; + int branch_effort_nand3_gate_output; + bool flag_two_unique_paths; + int flag_L2_gate; + int number_inputs_L1_gate; + int number_gates_L1_nand2_path; + int number_gates_L1_nand3_path; + int number_gates_L2; + int min_number_gates_L1; + int min_number_gates_L2; + int num_L1_active_nand2_path; + int num_L1_active_nand3_path; + double w_L1_nand2_n[MAX_NUMBER_GATES_STAGE]; + double w_L1_nand2_p[MAX_NUMBER_GATES_STAGE]; + double w_L1_nand3_n[MAX_NUMBER_GATES_STAGE]; + double w_L1_nand3_p[MAX_NUMBER_GATES_STAGE]; + double w_L2_n[MAX_NUMBER_GATES_STAGE]; + double w_L2_p[MAX_NUMBER_GATES_STAGE]; + double delay_nand2_path; + double delay_nand3_path; + powerDef power_nand2_path; + powerDef power_nand3_path; + powerDef power_L2; + + bool is_dram_; + + void compute_widths(); + void compute_area(); + + void leakage_feedback(double temperature); + + pair<double, double> compute_delays(pair<double, double> inrisetime); // <nand2, nand3> + // return <outrise_nand2, outrise_nand3> +}; + + +class PredecBlkDrv : public Component +{ + public: + PredecBlkDrv( + int way_select, + PredecBlk * blk_, + bool is_dram); + + int flag_driver_exists; + int number_input_addr_bits; + int number_gates_nand2_path; + int number_gates_nand3_path; + int min_number_gates; + int num_buffers_driving_1_nand2_load; + int num_buffers_driving_2_nand2_load; + int num_buffers_driving_4_nand2_load; + int num_buffers_driving_2_nand3_load; + int num_buffers_driving_8_nand3_load; + int num_buffers_nand3_path; + double c_load_nand2_path_out; + double c_load_nand3_path_out; + double r_load_nand2_path_out; + double r_load_nand3_path_out; + double width_nand2_path_n[MAX_NUMBER_GATES_STAGE]; + double width_nand2_path_p[MAX_NUMBER_GATES_STAGE]; + double width_nand3_path_n[MAX_NUMBER_GATES_STAGE]; + double width_nand3_path_p[MAX_NUMBER_GATES_STAGE]; + double delay_nand2_path; + double delay_nand3_path; + powerDef power_nand2_path; + powerDef power_nand3_path; + + PredecBlk * blk; + Decoder * dec; + bool is_dram_; + int way_select; + + void compute_widths(); + void compute_area(); + + void leakage_feedback(double temperature); + + + pair<double, double> compute_delays( + double inrisetime_nand2_path, + double inrisetime_nand3_path); // return <outrise_nand2, outrise_nand3> + + inline int num_addr_bits_nand2_path() + { + return num_buffers_driving_1_nand2_load + + num_buffers_driving_2_nand2_load + + num_buffers_driving_4_nand2_load; + } + inline int num_addr_bits_nand3_path() + { + return num_buffers_driving_2_nand3_load + + num_buffers_driving_8_nand3_load; + } + double get_rdOp_dynamic_E(int num_act_mats_hor_dir); +}; + + + +class Predec : public Component +{ + public: + Predec( + PredecBlkDrv * drv1, + PredecBlkDrv * drv2); + + double compute_delays(double inrisetime); // return outrisetime + + void leakage_feedback(double temperature); + PredecBlk * blk1; + PredecBlk * blk2; + PredecBlkDrv * drv1; + PredecBlkDrv * drv2; + + powerDef block_power; + powerDef driver_power; + + private: + // returns <delay, risetime> + pair<double, double> get_max_delay_before_decoder( + pair<double, double> input_pair1, + pair<double, double> input_pair2); +}; + + + +class Driver : public Component +{ + public: + Driver(double c_gate_load_, double c_wire_load_, double r_wire_load_, bool is_dram); + + int number_gates; + int min_number_gates; + double width_n[MAX_NUMBER_GATES_STAGE]; + double width_p[MAX_NUMBER_GATES_STAGE]; + double c_gate_load; + double c_wire_load; + double r_wire_load; + double delay; + powerDef power; + bool is_dram_; + + void compute_widths(); + double compute_delay(double inrisetime); +}; + + +#endif |