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// Copyright (c) 2009-2011, Tor M. Aamodt, Tayler Hetherington, Ahmed ElTantawy,
// The University of British Columbia
// 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 University of British Columbia 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 HOLDER 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 GPGPU_SIM_WRAPPER_H_
#define GPGPU_SIM_WRAPPER_H_
#include "processor.h"
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <string>
#include <iostream>
#include <fstream>
#include <zlib.h>
#include <string.h>
using namespace std;
template <typename T>
struct avg_max_min_counters{
T avg;
T max;
T min;
avg_max_min_counters(){avg=0; max=0; min=0;}
};
class gpgpu_sim_wrapper {
public:
gpgpu_sim_wrapper(bool power_simulation_enabled, char* xmlfile);
~gpgpu_sim_wrapper();
void init_mcpat(char* xmlfile, char* powerfile, char* power_trace_file,char* metric_trace_file,
char * steady_state_file,bool power_sim_enabled,bool trace_enabled,bool steady_state_enabled,
bool power_per_cycle_dump,double steady_power_deviation,double steady_min_period,int zlevel,
double init_val,int stat_sample_freq);
void detect_print_steady_state(int position, double init_val);
void close_files();
void open_files();
void compute();
void dump();
void print_trace_files();
void update_components_power();
void update_coefficients();
void reset_counters();
void print_power_kernel_stats(double gpu_sim_cycle, double gpu_tot_sim_cycle, double init_value, const std::string & kernel_info_string, bool print_trace);
void power_metrics_calculations();
void set_inst_power(bool clk_gated_lanes, double tot_cycles, double busy_cycles, double tot_inst, double int_inst, double fp_inst, double load_inst, double store_inst, double committed_inst);
void set_regfile_power(double reads, double writes, double ops);
void set_icache_power(double accesses, double misses);
void set_ccache_power(double accesses, double misses);
void set_tcache_power(double accesses, double misses);
void set_shrd_mem_power(double accesses);
void set_l1cache_power(double read_accesses, double read_misses, double write_accesses, double write_misses);
void set_l2cache_power(double read_accesses, double read_misses, double write_accesses, double write_misses);
void set_idle_core_power(double num_idle_core);
void set_duty_cycle_power(double duty_cycle);
void set_mem_ctrl_power(double reads, double writes, double dram_precharge);
void set_exec_unit_power(double fpu_accesses, double ialu_accesses, double sfu_accesses);
void set_active_lanes_power(double sp_avg_active_lane, double sfu_avg_active_lane);
void set_NoC_power(double noc_tot_reads, double noc_tot_write);
bool sanity_check(double a, double b);
private:
void print_steady_state(int position, double init_val);
Processor* proc;
ParseXML * p;
// power parameters
double const_dynamic_power;
double proc_power;
unsigned num_perf_counters; // # of performance counters
unsigned num_pwr_cmps; // # of components modelled
int kernel_sample_count; // # of samples per kernel
int total_sample_count; // # of samples per benchmark
std::vector< avg_max_min_counters<double> > kernel_cmp_pwr; // Per-kernel component power avg/max/min values
std::vector< avg_max_min_counters<double> > kernel_cmp_perf_counters; // Per-kernel component avg/max/min performance counters
double kernel_tot_power; // Total per-kernel power
avg_max_min_counters<double> kernel_power; // Per-kernel power avg/max/min values
avg_max_min_counters<double> gpu_tot_power; // Global GPU power avg/max/min values (across kernels)
bool has_written_avg;
std::vector<double> sample_cmp_pwr; // Current sample component powers
std::vector<double> sample_perf_counters; // Current sample component perf. counts
std::vector<double> initpower_coeff;
std::vector<double> effpower_coeff;
// For calculating steady-state average
unsigned sample_start;
double sample_val;
double init_inst_val;
std::vector<double> samples;
std::vector<double> samples_counter;
std::vector<double> pwr_counter;
char *xml_filename;
char *g_power_filename;
char *g_power_trace_filename;
char *g_metric_trace_filename;
char * g_steady_state_tracking_filename;
bool g_power_simulation_enabled;
bool g_steady_power_levels_enabled;
bool g_power_trace_enabled;
bool g_power_per_cycle_dump;
double gpu_steady_power_deviation;
double gpu_steady_min_period;
int g_power_trace_zlevel;
double gpu_stat_sample_frequency;
int gpu_stat_sample_freq;
std::ofstream powerfile;
gzFile power_trace_file;
gzFile metric_trace_file;
gzFile steady_state_tacking_file;
};
#endif /* GPGPU_SIM_WRAPPER_H_ */
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