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adding compile-time option to replace arrays with maps in smt (define SPARSE_MAP)

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Ken McMillan 2014-09-30 11:25:47 -07:00
parent 4c71e9479d
commit 4763532501
4 changed files with 36 additions and 8 deletions
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29
src/smt/smt_enode.h
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@ -38,6 +38,29 @@ namespace smt {
}
};
/** \ brief Use sparse maps in SMT solver.
Define this to use hash maps rather than vectors over ast
nodes. This is useful in the case there are many solvers, each
referencing few nodes from a large ast manager. There is some
unknown performance penalty for this. */
// #define SPARSE_MAP
#ifndef SPARSE_MAP
typedef ptr_vector<enode> app2enode_t; // app -> enode
#else
class app2enode_t : public u_map<enode *> {
public:
void setx(unsigned x, enode *val, enode *def){
if(val == 0)
erase(x);
else
insert(x,val);
}
};
#endif
class tmp_enode;
/**
@ -115,7 +138,7 @@ namespace smt {
friend class tmp_enode;
static enode * init(ast_manager & m, void * mem, ptr_vector<enode> const & app2enode, app * owner,
static enode * init(ast_manager & m, void * mem, app2enode_t const & app2enode, app * owner,
unsigned generation, bool suppress_args, bool merge_tf, unsigned iscope_lvl,
bool cgc_enabled, bool update_children_parent);
public:
@ -124,11 +147,11 @@ namespace smt {
return sizeof(enode) + num_args * sizeof(enode*);
}
static enode * mk(ast_manager & m, region & r, ptr_vector<enode> const & app2enode, app * owner,
static enode * mk(ast_manager & m, region & r, app2enode_t const & app2enode, app * owner,
unsigned generation, bool suppress_args, bool merge_tf, unsigned iscope_lvl,
bool cgc_enabled, bool update_children_parent);
static enode * mk_dummy(ast_manager & m, ptr_vector<enode> const & app2enode, app * owner);
static enode * mk_dummy(ast_manager & m, app2enode_t const & app2enode, app * owner);
static void del_dummy(enode * n) { dealloc_svect(reinterpret_cast<char*>(n)); }