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#include "basic_components.h"
#include <iostream>
#include <assert.h>
#include <cmath>

double longer_channel_device_reduction(
		enum Device_ty device_ty,
		enum Core_type core_ty)
{

	double longer_channel_device_percentage_core;
	double longer_channel_device_percentage_uncore;
	double longer_channel_device_percentage_llc;

	double long_channel_device_reduction;

	longer_channel_device_percentage_llc    = 1.0;
	longer_channel_device_percentage_uncore = 0.82;
	if (core_ty==OOO)
	{
		longer_channel_device_percentage_core   = 0.56;//0.54 Xeon Tulsa //0.58 Nehelam
		//longer_channel_device_percentage_uncore = 0.76;//0.85 Nehelam

	}
	else
	{
		longer_channel_device_percentage_core   = 0.8;//0.8;//Niagara
		//longer_channel_device_percentage_uncore = 0.9;//Niagara
	}

	if (device_ty==Core_device)
	{
		long_channel_device_reduction = (1- longer_channel_device_percentage_core)
		+ longer_channel_device_percentage_core * g_tp.peri_global.long_channel_leakage_reduction;
	}
	else if (device_ty==Uncore_device)
	{
		long_channel_device_reduction = (1- longer_channel_device_percentage_uncore)
		+ longer_channel_device_percentage_uncore * g_tp.peri_global.long_channel_leakage_reduction;
	}
	else if (device_ty==LLC_device)
	{
		long_channel_device_reduction = (1- longer_channel_device_percentage_llc)
		+ longer_channel_device_percentage_llc * g_tp.peri_global.long_channel_leakage_reduction;
	}
	else
	{
		cout<<"unknown device category"<<endl;
		exit(0);
	}

	return long_channel_device_reduction;
}


double power_gating_leakage_reduction(
		bool retain_state)
{

	double state_retain_deduction = 1-0.43;

	double powergating_leakage_reduction;

	if (retain_state)
	{
		powergating_leakage_reduction   = state_retain_deduction;//0.55 based on most runs of cactip

	}
	else
	{
		powergating_leakage_reduction = g_tp.peri_global.Vcc_min/g_tp.peri_global.Vdd;
	}

	return powergating_leakage_reduction;
}

statsComponents operator+(const statsComponents & x, const statsComponents & y)
{
	statsComponents z;

	z.access = x.access + y.access;
	z.hit    = x.hit + y.hit;
	z.miss   = x.miss  + y.miss;

	return z;
}

statsComponents operator*(const statsComponents & x, double const * const y)
{
	statsComponents z;

	z.access = x.access*y[0];
	z.hit    = x.hit*y[1];
	z.miss   = x.miss*y[2];

	return z;
}

statsDef operator+(const statsDef & x, const statsDef & y)
{
	statsDef z;

	z.readAc   = x.readAc  + y.readAc;
	z.writeAc  = x.writeAc + y.writeAc;
	z.searchAc  = x.searchAc + y.searchAc;
	return z;
}

statsDef operator*(const statsDef & x, double const * const y)
{
	statsDef z;

	z.readAc   = x.readAc*y;
	z.writeAc  = x.writeAc*y;
	z.searchAc  = x.searchAc*y;
	return z;
}