diogo/yap-6.3
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mode directed tabling.

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This commit is contained in:
Vítor Santos Costa
2011-10-22 16:49:13 +01:00
parent 48bfaa1ce1
commit 22b0bcac14
8 changed files with 675 additions and 20 deletions
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56
OPTYap/tab.structs.h
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@@ -30,6 +30,9 @@ typedef struct table_entry {
short execution_mode; /* combines yap_flags with pred_flags */
struct subgoal_trie_node *subgoal_trie;
struct subgoal_trie_hash *hash_chain;
#ifdef MODE_DIRECTED_TABLING
int* mode_directed_array;
#endif /*MODE_DIRECTED_TABLING*/
struct table_entry *next;
} *tab_ent_ptr;
@@ -41,6 +44,9 @@ typedef struct table_entry {
#define TabEnt_mode(X) ((X)->execution_mode)
#define TabEnt_subgoal_trie(X) ((X)->subgoal_trie)
#define TabEnt_hash_chain(X) ((X)->hash_chain)
#ifdef MODE_DIRECTED_TABLING
#define TabEnt_mode_directed_array(X) ((X)->mode_directed_array)
#endif /*MODE_DIRECTED_TABLING*/
#define TabEnt_next(X) ((X)->next)
@@ -91,7 +97,9 @@ typedef struct global_trie_node {
#define TrNode_sg_fr(X) ((X)->child)
#define TrNode_next(X) ((X)->next)
#define TrNode_lock(X) ((X)->lock)
#ifdef MODE_DIRECTED_TABLING
#define TrNode_mode_directed_array(X) ((X)->entry)
#endif /*MODE_DIRECTED_TABLING */
/***********************************************************************
@@ -116,6 +124,9 @@ typedef struct answer_trie_hash {
struct answer_trie_node **buckets;
int number_of_nodes;
struct answer_trie_hash *next;
#ifdef MODE_DIRECTED_TABLING
struct answer_trie_hash *previous;
#endif /*MODE_DIRECTED_TABLING*/
} *ans_hash_ptr;
typedef struct global_trie_hash {
@@ -137,7 +148,9 @@ typedef struct global_trie_hash {
#define Hash_bucket(X,N) ((X)->buckets + N)
#define Hash_num_nodes(X) ((X)->number_of_nodes)
#define Hash_next(X) ((X)->next)
#ifdef MODE_DIRECTED_TABLING
#define Hash_previous(X) ((X)->previous)
#endif /*MODE_DIRECTED_TABLING*/
/************************************************************************
@@ -219,6 +232,9 @@ typedef struct subgoal_frame {
struct subgoal_frame *previous;
#endif /* LIMIT_TABLING */
struct subgoal_frame *next;
#ifdef MODE_DIRECTED_TABLING
struct answer_trie_node *del_node;
#endif /*MODE_DIRECTED_TABLING*/
} *sg_fr_ptr;
#define SgFr_lock(X) ((X)->lock)
@@ -236,7 +252,9 @@ typedef struct subgoal_frame {
#define SgFr_try_answer(X) ((X)->try_answer)
#define SgFr_previous(X) ((X)->previous)
#define SgFr_next(X) ((X)->next)
#ifdef MODE_DIRECTED_TABLING
#define SgFr_del_node(X) ((X)->del_node)
#endif /*MODE_DIRECTED_TABLING*/
/**************************************************************************************************
SgFr_lock: spin-lock to modify the frame fields.
@@ -351,3 +369,35 @@ typedef struct suspension_frame {
#define SuspFr_trail_start(X) ((X)->trail_block.block_start)
#define SuspFr_trail_size(X) ((X)->trail_block.block_size)
#define SuspFr_next(X) ((X)->next)
/* ---------------------------- **
** MODE_DIRECTED_TABLING flags **
** ---------------------------- */
#ifdef MODE_DIRECTED_TABLING
#define MODE_DIRECTED_TAGBITS 4
/*indexing*/
#define MODE_DIRECTED_INDEX 6
#define MODE_DIRECTED_NINDEX 1
#define MODE_DIRECTED_ALL 2
/*agregation*/
#define MODE_DIRECTED_MAX 3
#define MODE_DIRECTED_MIN 4
#define MODE_DIRECTED_SUM 5
#define MODE_DIRECTED_LAST 0
/* Macros */
#define MODE_DIRECTED_index(X) ((X) >> MODE_DIRECTED_TAGBITS)
#define MODE_DIRECTED_n_vars(X) ((X) >> MODE_DIRECTED_TAGBITS)
#define MODE_DIRECTED_operator(X) ((((X) >> MODE_DIRECTED_TAGBITS) << MODE_DIRECTED_TAGBITS) ^ (X))
#define TAG_AS_INVALID_ANSWER_LEAF_NODE(NODE,SG_FR) TrNode_parent(NODE) = (ans_node_ptr)((unsigned long int)TrNode_parent(NODE) | 0x2); \
TrNode_next(NODE) = SgFr_del_node(SG_FR);\
SgFr_del_node(SG_FR) = NODE
#define IS_INVALID_ANSWER_LEAF_NODE(NODE) ((unsigned long int)TrNode_parent(NODE) & 0x2)
#endif /*MODE_DIRECTED_TABLING*/