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BDD.cpp
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#include <assert.h>
#include "BDD.h"
#define NOT_Delay 0.1
#define MUX_Delay 2
#define AND_Delay 1
void BDD::create_bdd(std::vector<std::vector<int> >& addrmat, std::vector<int>& datamat,Tree& Bdd_tree)
{
//addrmat_c have same size,这里的输入要求addrmat的列相等
BDD::pre_create(datamat, Bdd_tree);
// for(int i = 0; i < Bdd_tree.groups[0].size() ; i++)
// {
// std::cout <<"Bdd NOT group : "<<Bdd_tree.groups[0][i].Node_type<<std::endl;
// }
for(int row_num = 0; row_num < addrmat[0].size();row_num++)
{
// std::cout<<"groups["<<Bdd_tree.addrmat[0].size()<<"]"<<"is being created!"<<std::endl;
BDD::create_groups(Bdd_tree);
}
}
void BDD::pre_create( std::vector<int >& datamat,BDD::Tree& tree)
{
int datamat_r = datamat.size();
std::vector<BDD::Node> row_group;
for (int i = 0 ; i<datamat_r ; i++)
{
std::string data_int_s;
std::string var_out;
auto data_int = datamat[i];
if(data_int == 0)
{
data_int_s = "1'b0";
var_out = data_int_s;
std::cout<<" var out: "<<var_out<<std::endl;
tree.datamat_s.push_back(var_out);
}else if(data_int == 1)
{
data_int_s = "1'b1";
var_out = data_int_s;
std::cout<<" var out: "<<var_out<<std::endl;
tree.datamat_s.push_back(var_out);
}else if(data_int%2 == 0)
{
data_int_s = "din[" + std::to_string((data_int-2)/2) + ']';
var_out = data_int_s;
std::cout<<" var out: "<<var_out<<std::endl;
tree.datamat_s.push_back(var_out);
}else
{
//create NOT node
std::string var_tmp;
std::cout<< "Creating NOT Node ....................."<<std::endl;
data_int_s = "din[" + std::to_string((data_int-3)/2) + ']';
var_tmp = "n"+ std::to_string(tree.tree_num)+std::to_string(tree.Tree_level_r) + std::to_string(tree.Tree_level_c);
std::string node_type = "NOT Node";
if(row_group.size() > 0)
{
bool flag_tmp = false;
for (int j = 0 ; j < row_group.size(); j++ )
{
if(row_group[j].get_low() == data_int_s)
{
std::cout<<"Duplicate nodes do not need to be created !"<<std::endl;
var_out = row_group[j].get_out();
flag_tmp = true;
}
}
if(flag_tmp == false)
{
std::cout<<"new node is being created !"<<std::endl;
var_out = var_tmp;
BDD::Node node_tmp(data_int_s,var_out,node_type);
node_tmp.Node_level_c = tree.Tree_level_c;
node_tmp.Node_level_r = tree.Tree_level_r;
row_group.push_back(node_tmp);
tree.Tree_level_c ++;
//Accumulate delay information
tree.delay[i] = tree.delay[i] + NOT_Delay;
}
}else
{
std::cout<<"first node is being created !"<<std::endl;
var_out = var_tmp;
BDD::Node node_tmp(data_int_s,var_out,node_type);
node_tmp.Node_level_c = tree.Tree_level_c;
node_tmp.Node_level_r = tree.Tree_level_r;
row_group.push_back(node_tmp);
tree.Tree_level_c ++;
//Accumulate delay information
tree.delay[i] = tree.delay[i] + NOT_Delay;
}
tree.datamat_s.push_back(var_out);
}
}
tree.Tree_level_r ++;
tree.Tree_level_c = 0;
std::cout<<"tree datamat_s size is :"<<tree.datamat_s.size()<<std::endl;
for (int i = 0 ; i<tree.datamat_s.size(); i++)
{
std::cout<<"tree datamat_s["<<i<<"]: "<<tree.datamat_s[i]<<std::endl;
std::cout<<"tree delay["<<i<<"]: "<<tree.delay[i]<<std::endl;
}
// std::cout<<"row group size is: "<<row_group.size()<<std::endl;
// for (int j = 0 ; j<row_group.size(); j++)
// {
// std::cout<<"row group Node type "<<row_group[j].Node_type<<std::endl;
// }
for(int i = 0; i<tree.addrmat.size(); i++ )
{
for(int j = 0; j<tree.addrmat[i].size();j++)
{
std::cout<<"tree addrmat ["<<i<<"]["<<j<<"]: "<<tree.addrmat[i][j]<<std::endl;
}
}
tree.groups.push_back(row_group);
row_group.clear();
}
void BDD::create_groups(Tree& Bdd_tree)
{
BDD::Node_info node_info;
int addrmat_r = Bdd_tree.addrmat.size();
node_info.addrmat_r = addrmat_r;
std::cout << "addrmat row:"<<addrmat_r<<std::endl;
int addrmat_c = Bdd_tree.addrmat[0].size();
std::cout << "addrmat col:"<<addrmat_c<<std::endl;
std::cout<< "Bdd tree sel level c : "<<Bdd_tree.Sel_level_c<<std::endl;
std::cout<<" Bdd tree sel level r : "<<Bdd_tree.Sel_level_r<<std::endl;
for (int i = 0 ; i < addrmat_r -1 ; i++)
{
// std::string var_out;
auto addr_left = Bdd_tree.addrmat[i];
auto addr_right = Bdd_tree.addrmat[i+1];
assert(addr_left.size() == addr_right.size());
node_info.addr_left = addr_left;
bool high_eq = true;
for (int j = 0 ; j < addr_left.size()-1; j++)
{
int addr_left_h = addr_left[j];
int addr_right_h = addr_right[j];
if(addr_right_h == -1 || addr_left_h == -1) //这里需要考虑一下,输入全部展开就不需要
{
continue;
}else if (addr_left_h == addr_right_h)
{
continue;
}
else
{
high_eq = false;
}
}
int addr_left_l = addr_left.back();
int addr_right_l = addr_right.back();
node_info.sel_s = "sel[" + std::to_string(Bdd_tree.get_size_c()-addrmat_c) +"]";
//Whether the last elements are equal;
//If they are not equal, they may be the same node
bool low_nq = (addr_left_l ==0 && addr_right_l == 1);
// There are four scenarios to consider
if(high_eq == true && low_nq == true)
{
BDD::Mux_node0(Bdd_tree,node_info,i);
}else if(addr_left_l == -1) //Nodes are not created when selector inputs are equal
{
node_info.var_out = Bdd_tree.datamat_s[i];
auto delay = Bdd_tree.delay[i];
std::vector<int> addr_h(addr_left.begin(),addr_left.end()-1);
node_info.data_s.push_back(node_info.var_out);
node_info.addr_i.push_back(addr_h);
//Delay info
node_info.delay_tmp.push_back(delay);
}else if (addr_left_l == 0 )
{
BDD::Mux_node1(Bdd_tree,node_info,i);
}else if(addr_left_l == 1)
{
BDD::Mux_node2(Bdd_tree,node_info,i);
}
std::cout<<"flag last :"<<node_info.flag_last <<std::endl;
std::cout<<"i :"<<i<<std::endl;
if( i == addrmat_r -2 && node_info.flag_last == 0)
{
BDD::Mux_node3(Bdd_tree,node_info,i);
}
}
Bdd_tree.groups.push_back(node_info.row_MUXgroup);
node_info.data_s.push_back(Bdd_tree.datamat_s.back());
node_info.delay_tmp.push_back(Bdd_tree.delay.back());
node_info.row_MUXgroup.clear();
Bdd_tree.datamat_s.clear();
Bdd_tree.addrmat.clear();
Bdd_tree.delay.clear();
Bdd_tree.datamat_s = node_info.data_s;
Bdd_tree.addrmat = node_info.addr_i;
if(node_info.delay_tmp.size() > 1)
{
Bdd_tree.delay = node_info.delay_tmp;
}
Bdd_tree.Tree_level_r ++;
Bdd_tree.Tree_level_c = 0;
Bdd_tree.Sel_level_r ++;
Bdd_tree.Sel_level_c = 0;
std::cout<<"Bdd_tree datamat_s size is :"<<Bdd_tree.datamat_s.size()<<std::endl;
for (int i = 0 ; i<Bdd_tree.datamat_s.size(); i++)
{
std::cout<<"Bdd_tree datamat_s["<<i<<"]: "<<Bdd_tree.datamat_s[i]<<std::endl;
std::cout<<"Bdd_tree delay["<<i<<"]: "<<Bdd_tree.delay[i]<<std::endl;
}
std::cout<<"Bdd_tree addrmat size is: "<<node_info.row_MUXgroup.size()<<std::endl;
for (int j = 0; j<Bdd_tree.addrmat.size(); j++)
{
for(int z = 0; z<Bdd_tree.addrmat[j].size(); z++)
{
std::cout<<"Bdd_tree addrmat ["<<j<<"]["<<z<<"]:"<<Bdd_tree.addrmat[j][z]<<std::endl;
}
}
}
void BDD::Mux_node0(Tree& Bdd_tree,Node_info& node_info,int& i)
{
auto data_left = Bdd_tree.datamat_s[i];
auto data_right = Bdd_tree.datamat_s[i+1];
auto delay_left = Bdd_tree.delay[i];
auto delay_right = Bdd_tree.delay[i+1];
// No new node is created if two inputs to the node are the same
if(data_left != data_right)
{
std::cout<<"addrmat["<<i<<"] and addrmat["<<i+1<<"] can be merged into a single node"<<std::endl;
bool row_node_tmp = false;
row_group_merge(Bdd_tree,node_info,data_left,data_right,delay_left,delay_right,row_node_tmp);
if(node_info.row_MUXgroup.size() >0 && row_node_tmp == false)
{ bool flag_tmp = false;
for(int z = 0; z<node_info.row_MUXgroup.size(); z++)
{
if(node_info.row_MUXgroup[z].get_low() == data_left && node_info.row_MUXgroup[z].get_high() == data_right)
{
std::cout <<"The current node already exists !"<<std::endl;
std::vector<int> addr_h(node_info.addr_left.begin(),node_info.addr_left.end()-1);
node_info.data_s.push_back(node_info.row_MUXgroup[z].get_out());
node_info.addr_i.push_back(addr_h);
flag_tmp = true;
//Delay info
// auto max_delay = BDD::max_data(delay_left,delay_right);
auto max_delay = node_info.delay_tmp[z];
node_info.delay_tmp.push_back(max_delay);
}
}
if(flag_tmp == false)
{
node_info.var_out = "n"+ std::to_string(Bdd_tree.tree_num)+std::to_string(Bdd_tree.Tree_level_r) + std::to_string(Bdd_tree.Tree_level_c);
std::vector<int> addr_h(node_info.addr_left.begin(),node_info.addr_left.end()-1);
std::cout<<"new MUX node1 is being created !"<<std::endl;
std::string node_type = "MUX Node";
//create MUX node
BDD::Node node_MUX(data_left,data_right,node_info.sel_s,node_info.var_out,node_type);
node_MUX.Node_level_c = Bdd_tree.Tree_level_c;
node_MUX.Node_level_r = Bdd_tree.Tree_level_r;
node_info.row_MUXgroup.push_back(node_MUX);
Bdd_tree.Tree_level_c ++;
node_info.data_s.push_back(node_info.var_out);
node_info.addr_i.push_back(addr_h);
//Delay info
auto max_delay = BDD::max_data(delay_left,delay_right);
max_delay = max_delay + MUX_Delay;
node_info.delay_tmp.push_back(max_delay);
}
}else if( row_node_tmp == false){
node_info.var_out = "n"+ std::to_string(Bdd_tree.tree_num)+ std::to_string(Bdd_tree.Tree_level_r) + std::to_string(Bdd_tree.Tree_level_c);
std::vector<int> addr_h(node_info.addr_left.begin(),node_info.addr_left.end()-1);
std::cout<<"first MUX node1 is being created !"<<std::endl;
std::string node_type = "MUX Node";
//create MUX node
BDD::Node node_MUX(data_left,data_right,node_info.sel_s,node_info.var_out,node_type);
node_MUX.Node_level_c = Bdd_tree.Tree_level_c;
node_MUX.Node_level_r = Bdd_tree.Tree_level_r;
node_info.row_MUXgroup.push_back(node_MUX);
Bdd_tree.Tree_level_c ++;
node_info.data_s.push_back(node_info.var_out);
node_info.addr_i.push_back(addr_h);
//Delay info
auto max_delay = BDD::max_data(delay_left,delay_right);
max_delay = max_delay + MUX_Delay;
node_info.delay_tmp.push_back(max_delay);
}
}else{
node_info.var_out = Bdd_tree.datamat_s[i];
std::vector<int> addr_h(node_info.addr_left.begin(),node_info.addr_left.end()-1);
node_info.data_s.push_back(node_info.var_out);
node_info.addr_i.push_back(addr_h);
//Delay info
auto max_delay = BDD::max_data(delay_left,delay_right);
node_info.delay_tmp.push_back(max_delay);
}
// if(i < node_info.addrmat_r -3)
// {
// }
if(i == node_info.addrmat_r -2)
{
node_info.flag_last = 1;
}
i++; // skip two nodes
}
void BDD::Mux_node1(Tree& Bdd_tree,Node_info& node_info,int& i)
{
auto data_left = Bdd_tree.datamat_s[i];
auto delay_left = Bdd_tree.delay[i];
auto data_right = Bdd_tree.datamat_s[Bdd_tree.datamat_s.size()-1];
auto delay_right = Bdd_tree.delay[Bdd_tree.datamat_s.size()-1];
std::cout << "data left merge with default !"<<std::endl;
if(data_right != data_left)
{
bool row_node_tmp = false;
row_group_merge(Bdd_tree,node_info,data_left,data_right,delay_left,delay_right,row_node_tmp);
if(node_info.row_MUXgroup.size() >0 && row_node_tmp == false)
{ bool flag_tmp = false;
for(int z = 0; z<node_info.row_MUXgroup.size(); z++)
{
if(node_info.row_MUXgroup[z].get_low() == data_left && node_info.row_MUXgroup[z].get_high() == data_right)
{
std::cout <<"The current node already exists !"<<std::endl;
std::vector<int> addr_h(node_info.addr_left.begin(),node_info.addr_left.end()-1);
node_info.data_s.push_back(node_info.row_MUXgroup[z].get_out());
node_info.addr_i.push_back(addr_h);
flag_tmp = true;
//Delay info
// auto max_delay = BDD::max_data(delay_left,delay_right);
auto max_delay = node_info.delay_tmp[z];
node_info.delay_tmp.push_back(max_delay);
}
}
if(flag_tmp == false)
{
node_info.var_out = "n"+ std::to_string(Bdd_tree.tree_num)+std::to_string(Bdd_tree.Tree_level_r) + std::to_string(Bdd_tree.Tree_level_c);
std::vector<int> addr_h(node_info.addr_left.begin(),node_info.addr_left.end()-1);
std::cout<<"new MUX nod2 is being created !"<<std::endl;
std::string node_type = "MUX Node";
//create MUX node
BDD::Node node_MUX(data_left,data_right,node_info.sel_s,node_info.var_out,node_type);
node_MUX.Node_level_c = Bdd_tree.Tree_level_c;
node_MUX.Node_level_r = Bdd_tree.Tree_level_r;
node_info.row_MUXgroup.push_back(node_MUX);
Bdd_tree.Tree_level_c ++;
node_info.data_s.push_back(node_info.var_out);
node_info.addr_i.push_back(addr_h);
//Delay info
auto max_delay = BDD::max_data(delay_left,delay_right);
max_delay = max_delay + MUX_Delay;
node_info.delay_tmp.push_back(max_delay);
}
}else if(row_node_tmp == false)
{
node_info.var_out = "n"+ std::to_string(Bdd_tree.tree_num)+ std::to_string(Bdd_tree.Tree_level_r) + std::to_string(Bdd_tree.Tree_level_c);
std::vector<int> addr_h(node_info.addr_left.begin(),node_info.addr_left.end()-1);
std::cout<<"first MUX node2 is being created !"<<std::endl;
std::string node_type = "MUX Node";
//create MUX node
BDD::Node node_MUX(data_left,data_right,node_info.sel_s,node_info.var_out,node_type);
node_MUX.Node_level_c = Bdd_tree.Tree_level_c;
node_MUX.Node_level_r = Bdd_tree.Tree_level_r;
node_info.row_MUXgroup.push_back(node_MUX);
Bdd_tree.Tree_level_c ++;
node_info.data_s.push_back(node_info.var_out);
node_info.addr_i.push_back(addr_h);
//Delay info
auto max_delay = BDD::max_data(delay_left,delay_right);
max_delay = max_delay + MUX_Delay;
node_info.delay_tmp.push_back(max_delay);
}
}else
{
node_info.var_out = Bdd_tree.datamat_s[i];
std::vector<int> addr_h(node_info.addr_left.begin(),node_info.addr_left.end()-1);
node_info.data_s.push_back(node_info.var_out);
node_info.addr_i.push_back(addr_h);
//Delay info
auto max_delay = BDD::max_data(delay_left,delay_right);
node_info.delay_tmp.push_back(max_delay);
}
}
void BDD::Mux_node2(Tree& Bdd_tree,Node_info& node_info,int& i)
{
auto data_left = Bdd_tree.datamat_s[Bdd_tree.datamat_s.size()-1];
auto delay_left = Bdd_tree.delay[Bdd_tree.datamat_s.size()-1];
auto data_right = Bdd_tree.datamat_s[i];
auto delay_right = Bdd_tree.delay[i];
std::cout << "data right merge with default !"<<std::endl;
if(data_left != data_right)
{
bool row_node_tmp = false;
row_group_merge(Bdd_tree,node_info,data_left,data_right,delay_left,delay_right,row_node_tmp);
if(node_info.row_MUXgroup.size() >0 && row_node_tmp == false)
{ bool flag_tmp = false;
for(int z = 0; z<node_info.row_MUXgroup.size(); z++)
{
if(node_info.row_MUXgroup[z].get_low() == data_left && node_info.row_MUXgroup[z].get_high() == data_right)
{
std::cout <<"The current node already exists !"<<std::endl;
std::vector<int> addr_h(node_info.addr_left.begin(),node_info.addr_left.end()-1);
node_info.data_s.push_back(node_info.row_MUXgroup[z].get_out());
node_info.addr_i.push_back(addr_h);
flag_tmp = true;
//Delay info
// auto max_delay = BDD::max_data(delay_left,delay_right);
auto max_delay = node_info.delay_tmp[z];
node_info.delay_tmp.push_back(max_delay);
}
}
if(flag_tmp == false)
{
node_info.var_out = "n"+ std::to_string(Bdd_tree.tree_num)+ std::to_string(Bdd_tree.Tree_level_r) + std::to_string(Bdd_tree.Tree_level_c);
std::vector<int> addr_h(node_info.addr_left.begin(),node_info.addr_left.end()-1);
std::cout<<"new MUX node3 is being created !"<<std::endl;
std::string node_type = "MUX Node";
//create MUX node
BDD::Node node_MUX(data_left,data_right,node_info.sel_s,node_info.var_out,node_type);
node_MUX.Node_level_c = Bdd_tree.Tree_level_c;
node_MUX.Node_level_r = Bdd_tree.Tree_level_r;
node_info.row_MUXgroup.push_back(node_MUX);
Bdd_tree.Tree_level_c ++;
node_info.data_s.push_back(node_info.var_out);
node_info.addr_i.push_back(addr_h);
//Delay info
auto max_delay = BDD::max_data(delay_left,delay_right);
max_delay = max_delay + MUX_Delay;
node_info.delay_tmp.push_back(max_delay);
}
}else if(row_node_tmp == false){
node_info.var_out = "n"+ std::to_string(Bdd_tree.tree_num)+ std::to_string(Bdd_tree.Tree_level_r) + std::to_string(Bdd_tree.Tree_level_c);
std::vector<int> addr_h(node_info.addr_left.begin(),node_info.addr_left.end()-1);
std::cout<<"first MUX node3 is being created !"<<std::endl;
std::string node_type = "MUX Node";
//create MUX node
BDD::Node node_MUX(data_left,data_right,node_info.sel_s,node_info.var_out,node_type);
node_MUX.Node_level_c = Bdd_tree.Tree_level_c;
node_MUX.Node_level_r = Bdd_tree.Tree_level_r;
node_info.row_MUXgroup.push_back(node_MUX);
Bdd_tree.Tree_level_c ++;
node_info.data_s.push_back(node_info.var_out);
node_info.addr_i.push_back(addr_h);
//Delay info
auto max_delay = BDD::max_data(delay_left,delay_right);
max_delay = max_delay + MUX_Delay;
node_info.delay_tmp.push_back(max_delay);
}
}else
{
node_info.var_out = Bdd_tree.datamat_s[i];
std::vector<int> addr_h(node_info.addr_left.begin(),node_info.addr_left.end()-1);
node_info.data_s.push_back(node_info.var_out);
node_info.addr_i.push_back(addr_h);
//Delay info
auto max_delay = BDD::max_data(delay_left,delay_right);
node_info.delay_tmp.push_back(max_delay);
}
}
void BDD::Mux_node3(Tree& Bdd_tree,Node_info& node_info,int& i)
{
std::cout<<"The last data is being selected.............."<<std::endl;
auto last_addr = Bdd_tree.addrmat[Bdd_tree.addrmat.size()-1];
auto last_addr_l = last_addr.back();
if (last_addr_l == 0 )
{
auto data_left = Bdd_tree.datamat_s[Bdd_tree.datamat_s.size()-2];
auto delay_left = Bdd_tree.delay[Bdd_tree.datamat_s.size()-2];
auto data_right = Bdd_tree.datamat_s[Bdd_tree.datamat_s.size()-1];
auto delay_right = Bdd_tree.delay[Bdd_tree.datamat_s.size()-1];
std::cout << "the last data left merge with default !"<<std::endl;
if(data_right != data_left)
{
bool row_node_tmp = false;
row_group_merge(Bdd_tree,node_info,data_left,data_right,delay_left,delay_right,row_node_tmp);
if(node_info.row_MUXgroup.size() >0 && row_node_tmp == false)
{ bool flag_tmp = false;
for(int z = 0; z<node_info.row_MUXgroup.size(); z++)
{
if(node_info.row_MUXgroup[z].get_low() == data_left && node_info.row_MUXgroup[z].get_high() == data_right)
{
std::cout <<"The current node already exists !"<<std::endl;
std::vector<int> addr_h(last_addr.begin(),last_addr.end()-1);
node_info.data_s.push_back(node_info.row_MUXgroup[z].get_out());
node_info.addr_i.push_back(addr_h);
flag_tmp = true;
//Delay info
// auto max_delay = BDD::max_data(delay_left,delay_right);
auto max_delay = node_info.delay_tmp[z];
node_info.delay_tmp.push_back(max_delay);
}
}
if(flag_tmp == false)
{
node_info.var_out = "n"+ std::to_string(Bdd_tree.tree_num)+ std::to_string(Bdd_tree.Tree_level_r) + std::to_string(Bdd_tree.Tree_level_c);
std::vector<int> addr_h(last_addr.begin(),last_addr.end()-1);
std::cout<<"new MUX node4 is being created !"<<std::endl;
std::string node_type = "MUX Node";
//create MUX node
BDD::Node node_MUX(data_left,data_right,node_info.sel_s,node_info.var_out,node_type);
node_MUX.Node_level_c = Bdd_tree.Tree_level_c;
node_MUX.Node_level_r = Bdd_tree.Tree_level_r;
node_info.row_MUXgroup.push_back(node_MUX);
Bdd_tree.Tree_level_c ++;
node_info.data_s.push_back(node_info.var_out);
node_info.addr_i.push_back(addr_h);
//Delay info
auto max_delay = BDD::max_data(delay_left,delay_right);
max_delay = max_delay + MUX_Delay;
node_info.delay_tmp.push_back(max_delay);
}
}else if(row_node_tmp == false){
node_info.var_out = "n"+ std::to_string(Bdd_tree.tree_num)+ std::to_string(Bdd_tree.Tree_level_r) + std::to_string(Bdd_tree.Tree_level_c);
std::vector<int> addr_h(last_addr.begin(),last_addr.end()-1);
std::cout<<"first MUX node4 is being created !"<<std::endl;
std::string node_type = "MUX Node";
//create MUX node
BDD::Node node_MUX(data_left,data_right,node_info.sel_s,node_info.var_out,node_type);
node_MUX.Node_level_c = Bdd_tree.Tree_level_c;
node_MUX.Node_level_r = Bdd_tree.Tree_level_r;
node_info.row_MUXgroup.push_back(node_MUX);
Bdd_tree.Tree_level_c ++;
node_info.data_s.push_back(node_info.var_out);
node_info.addr_i.push_back(addr_h);
//Delay info
auto max_delay = BDD::max_data(delay_left,delay_right);
max_delay = max_delay + MUX_Delay;
node_info.delay_tmp.push_back(max_delay);
}
}else{
node_info.var_out = Bdd_tree.datamat_s[i];
std::vector<int> addr_h(last_addr.begin(),last_addr.end()-1);
node_info.data_s.push_back(node_info.var_out);
node_info.addr_i.push_back(addr_h);
//Delay info
auto max_delay = BDD::max_data(delay_left,delay_right);
node_info.delay_tmp.push_back(max_delay);
}
}else if(last_addr_l == 1)
{
auto data_left = Bdd_tree.datamat_s[Bdd_tree.datamat_s.size()-1];
auto delay_left = Bdd_tree.delay[Bdd_tree.datamat_s.size()-1];
auto data_right = Bdd_tree.datamat_s[Bdd_tree.datamat_s.size()-2];
auto delay_right = Bdd_tree.delay[Bdd_tree.datamat_s.size()-2];
std::cout << "the last data right merge with default !"<<std::endl;
if(data_left != data_right)
{
bool row_node_tmp = false;
row_group_merge(Bdd_tree,node_info,data_left,data_right,delay_left,delay_right,row_node_tmp);
if(node_info.row_MUXgroup.size() >0 && row_node_tmp == false)
{ bool flag_tmp = false;
for(int z = 0; z<node_info.row_MUXgroup.size(); z++)
{
if(node_info.row_MUXgroup[z].get_low() == data_left && node_info.row_MUXgroup[z].get_high() == data_right)
{
std::cout <<"The current node already exists !"<<std::endl;
std::vector<int> addr_h(last_addr.begin(),last_addr.end()-1);
node_info.data_s.push_back(node_info.row_MUXgroup[z].get_out());
node_info.addr_i.push_back(addr_h);
flag_tmp = true;
//Delay info
// auto max_delay = BDD::max_data(delay_left,delay_right);
auto max_delay = node_info.delay_tmp[z];
node_info.delay_tmp.push_back(max_delay);
}
}
if(flag_tmp == false)
{
node_info.var_out = "n"+ std::to_string(Bdd_tree.tree_num)+ std::to_string(Bdd_tree.Tree_level_r) + std::to_string(Bdd_tree.Tree_level_c);
std::vector<int> addr_h(last_addr.begin(),last_addr.end()-1);
std::cout<<"new MUX node5 is being created !"<<std::endl;
std::string node_type = "MUX Node";
//create MUX node
BDD::Node node_MUX(data_left,data_right,node_info.sel_s,node_info.var_out,node_type);
node_MUX.Node_level_c = Bdd_tree.Tree_level_c;
node_MUX.Node_level_r = Bdd_tree.Tree_level_r;
node_info.row_MUXgroup.push_back(node_MUX);
Bdd_tree.Tree_level_c ++;
node_info.data_s.push_back(node_info.var_out);
node_info.addr_i.push_back(addr_h);
//Delay info
auto max_delay = BDD::max_data(delay_left,delay_right);
max_delay = max_delay + MUX_Delay;
node_info.delay_tmp.push_back(max_delay);
}
}else if(row_node_tmp == false){
node_info.var_out = "n"+ std::to_string(Bdd_tree.tree_num)+ std::to_string(Bdd_tree.Tree_level_r) + std::to_string(Bdd_tree.Tree_level_c);
std::vector<int> addr_h(last_addr.begin(),last_addr.end()-1);
std::cout<<"first MUX node5 is being created !"<<std::endl;
std::string node_type = "MUX Node";
//create MUX node
BDD::Node node_MUX(data_left,data_right,node_info.sel_s,node_info.var_out,node_type);
node_MUX.Node_level_c = Bdd_tree.Tree_level_c;
node_MUX.Node_level_r = Bdd_tree.Tree_level_r;
node_info.row_MUXgroup.push_back(node_MUX);
Bdd_tree.Tree_level_c ++;
node_info.data_s.push_back(node_info.var_out);
node_info.addr_i.push_back(addr_h);
//Delay info
auto max_delay = BDD::max_data(delay_left,delay_right);
max_delay = max_delay + MUX_Delay;
node_info.delay_tmp.push_back(max_delay);
}
}else
{
node_info.var_out = Bdd_tree.datamat_s[i];
std::vector<int> addr_h(last_addr.begin(),last_addr.end()-1);
node_info.data_s.push_back(node_info.var_out);
node_info.addr_i.push_back(addr_h);
//Delay info
auto max_delay = BDD::max_data(delay_left,delay_right);
node_info.delay_tmp.push_back(max_delay);
}
}
}
float BDD::max_data(float& a,float& b)
{
if( a > b)
{
return a;
}else{
return b;
}
}
void BDD::row_group_merge(Tree& Bdd_tree,Node_info& node_info,std::string& data_left,std::string& data_right,float& delay_left,float& delay_right,bool& row_node_tmp)
{
//Determine whether the node of the current groups
//can be merged with the previous group
for(int t = Bdd_tree.groups.size()-1; t >= 0; t--)
{
auto &pre_group = Bdd_tree.groups[t];
//Check whether nodes of two groups can be fused
for(int node_n = 0; node_n<pre_group.size();node_n++)
{
if(pre_group[node_n].out == data_left && pre_group[node_n].low == data_right)
{
std::cout<<"pre group "<< t <<"and current group can be merged 01"<<std::endl;
bool sel_not_flag = false;
for(int x = 0 ; x < Bdd_tree.sel_groups.size() ; x++)
{
auto tmp_sel_node = Bdd_tree.sel_groups[x];
if(node_info.sel_s == tmp_sel_node.low && tmp_sel_node.Node_type == "NOT Node")
{
std::cout<<"already have same NOT node : "<<std::endl;
std::string sel_not_var = tmp_sel_node.out;
node_info.sel_var.push_back(sel_not_var);
sel_not_flag = true;
break;
}
}
if(sel_not_flag == false)
{
std::string NOT_type = "NOT Node";
std::string sel_not_var = "s"+std::to_string(Bdd_tree.tree_num) + std::to_string(Bdd_tree.Sel_level_r) + std::to_string(Bdd_tree.Sel_level_c);
node_info.sel_var.push_back(sel_not_var);
std::cout<<"1sel not var : "<<sel_not_var<<std::endl;
BDD::Node node_NOT(node_info.sel_s,node_info.sel_var.back(),NOT_type);
Bdd_tree.Sel_level_c ++;
Bdd_tree.sel_groups.push_back(node_NOT);
}
bool sel_and_flag = false;
for(int x = 0 ; x < Bdd_tree.sel_groups.size() ; x++)
{
auto tmp_sel_node = Bdd_tree.sel_groups[x];
if(pre_group[node_n].sel == tmp_sel_node.low && node_info.sel_var.back() == tmp_sel_node.high && tmp_sel_node.Node_type =="AND Node")
{
std::cout<<"already have same AND node : "<<std::endl;
std::string sel_and_var = tmp_sel_node.out;
node_info.sel_var.push_back(sel_and_var);
pre_group[node_n].sel = node_info.sel_var.back();
sel_and_flag = true;
break;
}
}
if(sel_and_flag == false)
{
std::string AND_type = "AND Node";
std::string sel_and_var = "s"+std::to_string(Bdd_tree.tree_num) + std::to_string(Bdd_tree.Sel_level_r) + std::to_string(Bdd_tree.Sel_level_c);
std::cout<<"1sel and var : "<<sel_and_var<<std::endl;
BDD::Node node_AND(pre_group[node_n].sel,node_info.sel_var.back(),sel_and_var,AND_type);
node_info.sel_var.push_back(sel_and_var);
pre_group[node_n].sel = node_info.sel_var.back();
Bdd_tree.Sel_level_c ++;
Bdd_tree.sel_groups.push_back(node_AND);
}
// node_info.var_out = Bdd_tree.datamat_s[i];
// std::vector<int> addr_h(node_info.addr_left.begin(),node_info.addr_left.end()-1);
// node_info.data_s.push_back(node_info.var_out);
// node_info.addr_i.push_back(addr_h);
row_node_tmp = true;
node_info.var_out = pre_group[node_n].out;
std::vector<int> addr_h(node_info.addr_left.begin(),node_info.addr_left.end()-1);
node_info.data_s.push_back(node_info.var_out);
node_info.addr_i.push_back(addr_h);
//Delay info
auto max_delay1 = BDD::max_data(delay_left,delay_right);
if(sel_not_flag == false && sel_and_flag == false)
{
pre_group[node_n].sel_delay = pre_group[node_n].sel_delay + NOT_Delay + AND_Delay;
}else if(sel_not_flag == true && sel_and_flag == false)
{
pre_group[node_n].sel_delay = pre_group[node_n].sel_delay + AND_Delay;
}else if(sel_not_flag == false && sel_and_flag == true)
{
pre_group[node_n].sel_delay = pre_group[node_n].sel_delay + NOT_Delay ;
}else
{
pre_group[node_n].sel_delay = pre_group[node_n].sel_delay ;
}
auto max_delay = BDD::max_data(max_delay1,pre_group[node_n].sel_delay);
node_info.delay_tmp.push_back(max_delay);
break;
}else if(pre_group[node_n].out == data_left && pre_group[node_n].high == data_right)
{
std::cout<<"pre group and group can be merged 02"<<std::endl;
bool sel_not_flag1 = false;
for(int x = 0 ; x < Bdd_tree.sel_groups.size() ; x++)
{
auto tmp_sel_node = Bdd_tree.sel_groups[x];
if(node_info.sel_s == tmp_sel_node.low && tmp_sel_node.Node_type == "NOT Node")
{
std::cout<<"already have same NOT node : "<<std::endl;
std::string sel_not_var1 = tmp_sel_node.out;
node_info.sel_var.push_back(sel_not_var1);
sel_not_flag1 = true;
break;
}
}
if(sel_not_flag1 == false)
{
std::string NOT_type1 = "NOT Node";
std::string sel_not_var1 = "s"+std::to_string(Bdd_tree.tree_num) + std::to_string(Bdd_tree.Sel_level_r) + std::to_string(Bdd_tree.Sel_level_c);
std::cout<<"2sel not var1 : "<<sel_not_var1<<std::endl;
node_info.sel_var.push_back(sel_not_var1);
BDD::Node node_NOT1(node_info.sel_s,node_info.sel_var.back(),NOT_type1);
Bdd_tree.Sel_level_c ++;
Bdd_tree.sel_groups.push_back(node_NOT1);
}
bool sel_not_flag2 = false;
for(int x = 0 ; x < Bdd_tree.sel_groups.size() ; x++)
{
auto tmp_sel_node = Bdd_tree.sel_groups[x];
if(pre_group[node_n].sel == tmp_sel_node.low && tmp_sel_node.Node_type == "NOT Node")
{
std::cout<<"already have same NOT node : "<<std::endl;
std::string sel_not_var2 = tmp_sel_node.out;
node_info.sel_var.push_back(sel_not_var2);
sel_not_flag2 = true;
break;
}
}
if(sel_not_flag2 == false)
{
std::string NOT_type2 = "NOT Node";
std::string sel_not_var2 = "s"+std::to_string(Bdd_tree.tree_num) + std::to_string(Bdd_tree.Sel_level_r) + std::to_string(Bdd_tree.Sel_level_c);
std::cout<<"2sel not var2 : "<<sel_not_var2<<std::endl;
node_info.sel_var.push_back(sel_not_var2);
BDD::Node node_NOT2(pre_group[node_n].sel,node_info.sel_var.back(),NOT_type2);
Bdd_tree.Sel_level_c ++;
Bdd_tree.sel_groups.push_back(node_NOT2);
}
bool sel_and_flag = false;
for(int x = 0 ; x < Bdd_tree.sel_groups.size() ; x++)
{
auto tmp_sel_node = Bdd_tree.sel_groups[x];
if(node_info.sel_var[node_info.sel_var.size()-2] == tmp_sel_node.low && node_info.sel_var[node_info.sel_var.size()-1] == tmp_sel_node.high && tmp_sel_node.Node_type =="AND Node")
{
std::cout<<"already have same AND node : "<<std::endl;
std::string sel_and_var = tmp_sel_node.out;
node_info.sel_var.push_back(sel_and_var);
pre_group[node_n].sel = node_info.sel_var.back();
sel_and_flag = true;
break;
}
}
if(sel_and_flag == false)
{
std::string AND_type = "AND Node";
std::string sel_and_var = "s"+std::to_string(Bdd_tree.tree_num) + std::to_string(Bdd_tree.Sel_level_r) + std::to_string(Bdd_tree.Sel_level_c);
std::cout<<"2sel and var : "<<sel_and_var<<std::endl;
BDD::Node node_AND(node_info.sel_var[node_info.sel_var.size()-2],node_info.sel_var[node_info.sel_var.size()-1],sel_and_var,AND_type);
node_info.sel_var.push_back(sel_and_var);
pre_group[node_n].sel = node_info.sel_var.back();
auto pre_low = pre_group[node_n].low;
pre_group[node_n].low = pre_group[node_n].high;
pre_group[node_n].high = pre_low;
Bdd_tree.Sel_level_c ++;
Bdd_tree.sel_groups.push_back(node_AND);
}
// node_info.var_out = Bdd_tree.datamat_s[i];
// std::vector<int> addr_h(node_info.addr_left.begin(),node_info.addr_left.end()-1);
// node_info.data_s.push_back(node_info.var_out);
// node_info.addr_i.push_back(addr_h);
row_node_tmp = true;
node_info.var_out = pre_group[node_n].out;
std::vector<int> addr_h(node_info.addr_left.begin(),node_info.addr_left.end()-1);
node_info.data_s.push_back(node_info.var_out);
node_info.addr_i.push_back(addr_h);
//Delay info
auto max_delay1 = BDD::max_data(delay_left,delay_right);
if(sel_not_flag1 == true &&sel_not_flag2 == true && sel_and_flag == false)
{
pre_group[node_n].sel_delay = pre_group[node_n].sel_delay + AND_Delay;
}else if(sel_not_flag1 == true && sel_not_flag2 == true &&sel_and_flag == true)
{
pre_group[node_n].sel_delay = pre_group[node_n].sel_delay ;
}else if((sel_not_flag1 == true && sel_not_flag2 == false) || (sel_not_flag1 == false && sel_not_flag2 == true))
{
pre_group[node_n].sel_delay = pre_group[node_n].sel_delay + NOT_Delay ;
}else
{
pre_group[node_n].sel_delay = pre_group[node_n].sel_delay + AND_Delay + NOT_Delay ;
}
auto max_delay = BDD::max_data(max_delay1,pre_group[node_n].sel_delay);
node_info.delay_tmp.push_back(max_delay);
break;
}else if(pre_group[node_n].out == data_right && pre_group[node_n].low == data_left)
{
std::cout<<"pre group and group can be merged 03"<<std::endl;
// std::string NOT_type = "NOT Node";
// std::string sel_not_var = "s"+std::to_string(Bdd_tree.tree_num) + std::to_string(Bdd_tree.Sel_level_r) + std::to_string(Bdd_tree.Sel_level_c);
// node_info.sel_var.push_back(sel_not_var);
// BDD::Node node_NOT(node_info.sel_s,node_info.sel_var.back(),NOT_type);
// Bdd_tree.Sel_level_c ++;
// Bdd_tree.sel_groups.push_back(node_NOT);
bool sel_and_flag = false;
for(int x = 0 ; x < Bdd_tree.sel_groups.size() ; x++)
{
auto tmp_sel_node = Bdd_tree.sel_groups[x];
if(pre_group[node_n].sel == tmp_sel_node.low && node_info.sel_s == tmp_sel_node.high && tmp_sel_node.Node_type =="AND Node")
{
std::cout<<"already have same AND node : "<<std::endl;
std::string sel_and_var = tmp_sel_node.out;
node_info.sel_var.push_back(sel_and_var);
pre_group[node_n].sel = node_info.sel_var.back();
sel_and_flag = true;
break;
}
}
if(sel_and_flag == false)
{
std::string AND_type = "AND Node";
std::string sel_and_var = "s"+std::to_string(Bdd_tree.tree_num) + std::to_string(Bdd_tree.Sel_level_r) + std::to_string(Bdd_tree.Sel_level_c);
std::cout<<"3sel and var : "<<sel_and_var<<std::endl;
BDD::Node node_AND(pre_group[node_n].sel,node_info.sel_s,sel_and_var,AND_type);
node_info.sel_var.push_back(sel_and_var);
pre_group[node_n].sel = node_info.sel_var.back();
Bdd_tree.Sel_level_c ++;
Bdd_tree.sel_groups.push_back(node_AND);
}
// node_info.var_out = Bdd_tree.datamat_s[i];
// std::vector<int> addr_h(node_info.addr_left.begin(),node_info.addr_left.end()-1);
// node_info.data_s.push_back(node_info.var_out);
// node_info.addr_i.push_back(addr_h);
row_node_tmp = true;
node_info.var_out = pre_group[node_n].out;
std::vector<int> addr_h(node_info.addr_left.begin(),node_info.addr_left.end()-1);
node_info.data_s.push_back(node_info.var_out);
node_info.addr_i.push_back(addr_h);
//Delay info
auto max_delay1 = BDD::max_data(delay_left,delay_right);
if(sel_and_flag == false)
{
pre_group[node_n].sel_delay = pre_group[node_n].sel_delay + AND_Delay;
}else
{
pre_group[node_n].sel_delay = pre_group[node_n].sel_delay ;
}
auto max_delay = BDD::max_data(max_delay1,pre_group[node_n].sel_delay);
node_info.delay_tmp.push_back(max_delay);
break;
}else if(pre_group[node_n].out == data_right && pre_group[node_n].high == data_left)
{
std::cout<<"pre group and group can be merged 04"<<std::endl;
bool sel_not_flag = false;
for(int x = 0 ; x < Bdd_tree.sel_groups.size() ; x++)
{
auto tmp_sel_node = Bdd_tree.sel_groups[x];
if(pre_group[node_n].sel== tmp_sel_node.low && tmp_sel_node.Node_type == "NOT Node")
{
std::cout<<"already have same NOT node : "<<std::endl;
std::string sel_not_var = tmp_sel_node.out;
node_info.sel_var.push_back(sel_not_var);
sel_not_flag = true;
break;
}
}
if(sel_not_flag == false)
{
std::string NOT_type = "NOT Node";
std::string sel_not_var = "s"+std::to_string(Bdd_tree.tree_num) + std::to_string(Bdd_tree.Sel_level_r) + std::to_string(Bdd_tree.Sel_level_c);
std::cout<<"4sel not var : "<<sel_not_var<<std::endl;
node_info.sel_var.push_back(sel_not_var);
BDD::Node node_NOT(pre_group[node_n].sel,node_info.sel_var.back(),NOT_type);
Bdd_tree.Sel_level_c ++;
Bdd_tree.sel_groups.push_back(node_NOT);
}
bool sel_and_flag = false;
for(int x = 0 ; x < Bdd_tree.sel_groups.size() ; x++)
{
auto tmp_sel_node = Bdd_tree.sel_groups[x];
if(node_info.sel_s == tmp_sel_node.low && node_info.sel_var.back() == tmp_sel_node.high && tmp_sel_node.Node_type =="AND Node")
{
std::cout<<"already have same AND node : "<<std::endl;
std::string sel_and_var = tmp_sel_node.out;
node_info.sel_var.push_back(sel_and_var);
sel_and_flag = true;
break;
}
}
if(sel_and_flag == false)
{
std::string AND_type = "AND Node";
std::string sel_and_var = "s"+std::to_string(Bdd_tree.tree_num) + std::to_string(Bdd_tree.Sel_level_r) + std::to_string(Bdd_tree.Sel_level_c);
std::cout<<"4sel and var : "<<sel_and_var<<std::endl;
BDD::Node node_AND(node_info.sel_s,node_info.sel_var.back(),sel_and_var,AND_type);
node_info.sel_var.push_back(sel_and_var);
pre_group[node_n].sel = node_info.sel_var.back();
Bdd_tree.Sel_level_c ++;
Bdd_tree.sel_groups.push_back(node_AND);
}
// node_info.var_out = Bdd_tree.datamat_s[i];
// std::vector<int> addr_h(node_info.addr_left.begin(),node_info.addr_left.end()-1);
// node_info.data_s.push_back(node_info.var_out);
// node_info.addr_i.push_back(addr_h);
row_node_tmp = true;
node_info.var_out = pre_group[node_n].out;
std::vector<int> addr_h(node_info.addr_left.begin(),node_info.addr_left.end()-1);
node_info.data_s.push_back(node_info.var_out);
node_info.addr_i.push_back(addr_h);
//Delay info
auto max_delay1 = BDD::max_data(delay_left,delay_right);
if(sel_not_flag == false && sel_and_flag == false)
{
pre_group[node_n].sel_delay = pre_group[node_n].sel_delay + NOT_Delay + AND_Delay;