ElectricalTimingNode.cc revision 10447
110447Snilay@cs.wisc.edu 210447Snilay@cs.wisc.edu#include "model/timing_graph/ElectricalTimingNode.h" 310447Snilay@cs.wisc.edu#include "model/timing_graph/ElectricalLoad.h" 410447Snilay@cs.wisc.edu 510447Snilay@cs.wisc.edunamespace DSENT 610447Snilay@cs.wisc.edu{ 710447Snilay@cs.wisc.edu // Set the optical node initial visited num 810447Snilay@cs.wisc.edu const int ElectricalTimingNode::TIMING_NODE_INIT_VISITED_NUM = 0; 910447Snilay@cs.wisc.edu 1010447Snilay@cs.wisc.edu ElectricalTimingNode::ElectricalTimingNode(const String& instance_name_, ElectricalModel* model_) 1110447Snilay@cs.wisc.edu : m_instance_name_(instance_name_), m_model_(model_), m_false_path_(false), m_crit_path_(-1), 1210447Snilay@cs.wisc.edu m_visited_num_(ElectricalTimingNode::TIMING_NODE_INIT_VISITED_NUM), m_delay_left_(0.0) 1310447Snilay@cs.wisc.edu { 1410447Snilay@cs.wisc.edu m_upstream_nodes_ = new vector<ElectricalTimingNode*>(); 1510447Snilay@cs.wisc.edu m_downstream_nodes_ = new vector<ElectricalTimingNode*>(); 1610447Snilay@cs.wisc.edu } 1710447Snilay@cs.wisc.edu 1810447Snilay@cs.wisc.edu ElectricalTimingNode::~ElectricalTimingNode() 1910447Snilay@cs.wisc.edu { 2010447Snilay@cs.wisc.edu delete m_upstream_nodes_; 2110447Snilay@cs.wisc.edu delete m_downstream_nodes_; 2210447Snilay@cs.wisc.edu } 2310447Snilay@cs.wisc.edu 2410447Snilay@cs.wisc.edu double ElectricalTimingNode::getMaxUpstreamRes() const 2510447Snilay@cs.wisc.edu { 2610447Snilay@cs.wisc.edu double max_res = 0.0; 2710447Snilay@cs.wisc.edu 2810447Snilay@cs.wisc.edu for(unsigned int i = 0; i < m_upstream_nodes_->size(); ++i) 2910447Snilay@cs.wisc.edu { 3010447Snilay@cs.wisc.edu double res = m_upstream_nodes_->at(i)->getMaxUpstreamRes(); 3110447Snilay@cs.wisc.edu if(max_res < res) 3210447Snilay@cs.wisc.edu { 3310447Snilay@cs.wisc.edu max_res = res; 3410447Snilay@cs.wisc.edu } 3510447Snilay@cs.wisc.edu } 3610447Snilay@cs.wisc.edu return max_res; 3710447Snilay@cs.wisc.edu } 3810447Snilay@cs.wisc.edu 3910447Snilay@cs.wisc.edu double ElectricalTimingNode::getTotalDownstreamCap() const 4010447Snilay@cs.wisc.edu { 4110447Snilay@cs.wisc.edu double cap_sum = 0; 4210447Snilay@cs.wisc.edu 4310447Snilay@cs.wisc.edu for(unsigned int i = 0; i < m_downstream_nodes_->size(); ++i) 4410447Snilay@cs.wisc.edu { 4510447Snilay@cs.wisc.edu cap_sum += m_downstream_nodes_->at(i)->getTotalDownstreamCap(); 4610447Snilay@cs.wisc.edu } 4710447Snilay@cs.wisc.edu 4810447Snilay@cs.wisc.edu return cap_sum; 4910447Snilay@cs.wisc.edu } 5010447Snilay@cs.wisc.edu 5110447Snilay@cs.wisc.edu vector<ElectricalTimingNode*>* ElectricalTimingNode::getUpstreamNodes() const 5210447Snilay@cs.wisc.edu { 5310447Snilay@cs.wisc.edu return m_upstream_nodes_; 5410447Snilay@cs.wisc.edu } 5510447Snilay@cs.wisc.edu 5610447Snilay@cs.wisc.edu vector<ElectricalTimingNode*>* ElectricalTimingNode::getDownstreamNodes() const 5710447Snilay@cs.wisc.edu { 5810447Snilay@cs.wisc.edu return m_downstream_nodes_; 5910447Snilay@cs.wisc.edu } 6010447Snilay@cs.wisc.edu 6110447Snilay@cs.wisc.edu const String& ElectricalTimingNode::getInstanceName() const 6210447Snilay@cs.wisc.edu { 6310447Snilay@cs.wisc.edu return m_instance_name_; 6410447Snilay@cs.wisc.edu } 6510447Snilay@cs.wisc.edu 6610447Snilay@cs.wisc.edu ElectricalModel* ElectricalTimingNode::getModel() 6710447Snilay@cs.wisc.edu { 6810447Snilay@cs.wisc.edu return m_model_; 6910447Snilay@cs.wisc.edu } 7010447Snilay@cs.wisc.edu 7110447Snilay@cs.wisc.edu bool ElectricalTimingNode::isDriver() const 7210447Snilay@cs.wisc.edu { 7310447Snilay@cs.wisc.edu return false; 7410447Snilay@cs.wisc.edu } 7510447Snilay@cs.wisc.edu 7610447Snilay@cs.wisc.edu bool ElectricalTimingNode::isNet() const 7710447Snilay@cs.wisc.edu { 7810447Snilay@cs.wisc.edu return false; 7910447Snilay@cs.wisc.edu } 8010447Snilay@cs.wisc.edu 8110447Snilay@cs.wisc.edu bool ElectricalTimingNode::isLoad() const 8210447Snilay@cs.wisc.edu { 8310447Snilay@cs.wisc.edu return false; 8410447Snilay@cs.wisc.edu } 8510447Snilay@cs.wisc.edu 8610447Snilay@cs.wisc.edu 8710447Snilay@cs.wisc.edu const ElectricalModel* ElectricalTimingNode::getModel() const 8810447Snilay@cs.wisc.edu { 8910447Snilay@cs.wisc.edu return (const ElectricalModel*) m_model_; 9010447Snilay@cs.wisc.edu } 9110447Snilay@cs.wisc.edu 9210447Snilay@cs.wisc.edu void ElectricalTimingNode::addDownstreamNode(ElectricalTimingNode* node_) 9310447Snilay@cs.wisc.edu { 9410447Snilay@cs.wisc.edu m_downstream_nodes_->push_back(node_); 9510447Snilay@cs.wisc.edu node_->m_upstream_nodes_->push_back(this); 9610447Snilay@cs.wisc.edu return; 9710447Snilay@cs.wisc.edu } 9810447Snilay@cs.wisc.edu 9910447Snilay@cs.wisc.edu void ElectricalTimingNode::setFalsePath(bool false_path_) 10010447Snilay@cs.wisc.edu { 10110447Snilay@cs.wisc.edu m_false_path_ = false_path_; 10210447Snilay@cs.wisc.edu return; 10310447Snilay@cs.wisc.edu } 10410447Snilay@cs.wisc.edu 10510447Snilay@cs.wisc.edu bool ElectricalTimingNode::getFalsePath() const 10610447Snilay@cs.wisc.edu { 10710447Snilay@cs.wisc.edu return m_false_path_; 10810447Snilay@cs.wisc.edu } 10910447Snilay@cs.wisc.edu 11010447Snilay@cs.wisc.edu 11110447Snilay@cs.wisc.edu //------------------------------------------------------------------------- 11210447Snilay@cs.wisc.edu // Functions for delay optimization 11310447Snilay@cs.wisc.edu //------------------------------------------------------------------------- 11410447Snilay@cs.wisc.edu // By default, electrical timing nodes cannot be sized up/down 11510447Snilay@cs.wisc.edu bool ElectricalTimingNode::hasMaxDrivingStrength() const 11610447Snilay@cs.wisc.edu { 11710447Snilay@cs.wisc.edu return true; 11810447Snilay@cs.wisc.edu } 11910447Snilay@cs.wisc.edu 12010447Snilay@cs.wisc.edu bool ElectricalTimingNode::hasMinDrivingStrength() const 12110447Snilay@cs.wisc.edu { 12210447Snilay@cs.wisc.edu return true; 12310447Snilay@cs.wisc.edu } 12410447Snilay@cs.wisc.edu 12510447Snilay@cs.wisc.edu void ElectricalTimingNode::increaseDrivingStrength() 12610447Snilay@cs.wisc.edu { 12710447Snilay@cs.wisc.edu return; 12810447Snilay@cs.wisc.edu } 12910447Snilay@cs.wisc.edu 13010447Snilay@cs.wisc.edu void ElectricalTimingNode::decreaseDrivingStrength() 13110447Snilay@cs.wisc.edu { 13210447Snilay@cs.wisc.edu return; 13310447Snilay@cs.wisc.edu } 13410447Snilay@cs.wisc.edu //------------------------------------------------------------------------- 13510447Snilay@cs.wisc.edu 13610447Snilay@cs.wisc.edu //------------------------------------------------------------------------- 13710447Snilay@cs.wisc.edu // Node variables for critical path delay calculations 13810447Snilay@cs.wisc.edu //------------------------------------------------------------------------- 13910447Snilay@cs.wisc.edu void ElectricalTimingNode::setCritPath(int crit_path_) 14010447Snilay@cs.wisc.edu { 14110447Snilay@cs.wisc.edu m_crit_path_ = crit_path_; 14210447Snilay@cs.wisc.edu return; 14310447Snilay@cs.wisc.edu } 14410447Snilay@cs.wisc.edu 14510447Snilay@cs.wisc.edu int ElectricalTimingNode::getCritPath() const 14610447Snilay@cs.wisc.edu { 14710447Snilay@cs.wisc.edu return m_crit_path_; 14810447Snilay@cs.wisc.edu } 14910447Snilay@cs.wisc.edu 15010447Snilay@cs.wisc.edu void ElectricalTimingNode::setVisitedNum(int visited_num_) 15110447Snilay@cs.wisc.edu { 15210447Snilay@cs.wisc.edu m_visited_num_ = visited_num_; 15310447Snilay@cs.wisc.edu return; 15410447Snilay@cs.wisc.edu } 15510447Snilay@cs.wisc.edu 15610447Snilay@cs.wisc.edu int ElectricalTimingNode::getVisitedNum() const 15710447Snilay@cs.wisc.edu { 15810447Snilay@cs.wisc.edu return m_visited_num_; 15910447Snilay@cs.wisc.edu } 16010447Snilay@cs.wisc.edu 16110447Snilay@cs.wisc.edu void ElectricalTimingNode::setDelayLeft(double delay_left_) 16210447Snilay@cs.wisc.edu { 16310447Snilay@cs.wisc.edu m_delay_left_ = delay_left_; 16410447Snilay@cs.wisc.edu } 16510447Snilay@cs.wisc.edu 16610447Snilay@cs.wisc.edu double ElectricalTimingNode::getDelayLeft() const 16710447Snilay@cs.wisc.edu { 16810447Snilay@cs.wisc.edu return m_delay_left_; 16910447Snilay@cs.wisc.edu } 17010447Snilay@cs.wisc.edu //------------------------------------------------------------------------- 17110447Snilay@cs.wisc.edu 17210447Snilay@cs.wisc.edu} // namespace DSENT 17310447Snilay@cs.wisc.edu 17410447Snilay@cs.wisc.edu 175