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refactored expand rt_node in LbRouter

This commit is contained in:
tangxifan 2020-02-18 22:01:22 -07:00
parent c7ef14fc23
commit 289c869caf
2 changed files with 39 additions and 0 deletions
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31
openfpga/src/repack/lb_router.cpp
View File

@ -123,6 +123,37 @@ bool LbRouter::add_to_rt(t_trace* rt, const LbRRNodeId& node_index, const int& i
return false;
}
void LbRouter::expand_rt_rec(t_trace* rt,
const LbRRNodeId& prev_index,
reservable_pq<t_expansion_node, std::vector<t_expansion_node>, compare_expansion_node>& pq,
const int& irt_net,
const int& explore_id_index) {
t_expansion_node enode;
/* Perhaps should use a cost other than zero */
enode.cost = 0;
enode.node_index = rt->current_node;
enode.prev_index = prev_index;
pq.push(enode);
explored_node_tb_[enode.node_index].inet = irt_net;
explored_node_tb_[enode.node_index].explored_id = OPEN;
explored_node_tb_[enode.node_index].enqueue_id = explore_id_index;
explored_node_tb_[enode.node_index].enqueue_cost = 0;
explored_node_tb_[enode.node_index].prev_index = prev_index;
for (unsigned int i = 0; i < rt->next_nodes.size(); i++) {
expand_rt_rec(&rt->next_nodes[i], rt->current_node, pq, irt_net, explore_id_index);
}
}
void LbRouter::expand_rt(const int& inet,
reservable_pq<t_expansion_node, std::vector<t_expansion_node>, compare_expansion_node>& pq,
const int& irt_net) {
VTR_ASSERT(pq.empty());
expand_rt_rec(lb_nets_[inet].rt_tree, LbRRNodeId::INVALID(), pq, irt_net, explore_id_index_);
}
void LbRouter::expand_edges(const LbRRGraph& lb_rr_graph,
t_mode* mode,
const LbRRNodeId& cur_inode,

8
openfpga/src/repack/lb_router.h
View File

@ -202,6 +202,14 @@ class LbRouter {
private : /* Private mutators */
void reset_explored_node_tb();
bool add_to_rt(t_trace* rt, const LbRRNodeId& node_index, const int& irt_net);
void expand_rt_rec(t_trace* rt,
const LbRRNodeId& prev_index,
reservable_pq<t_expansion_node, std::vector<t_expansion_node>, compare_expansion_node>& pq,
const int& irt_net,
const int& explore_id_index);
void expand_rt(const int& inet,
reservable_pq<t_expansion_node, std::vector<t_expansion_node>, compare_expansion_node>& pq,
const int& irt_net);
void expand_edges(const LbRRGraph& lb_rr_graph,
t_mode* mode,
const LbRRNodeId& cur_inode,