232 lines
9.2 KiB
C
232 lines
9.2 KiB
C
/************************************************************************
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** **
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** The YapTab/YapOr/OPTYap systems **
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** **
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** YapTab extends the Yap Prolog engine to support sequential tabling **
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** YapOr extends the Yap Prolog engine to support or-parallelism **
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** OPTYap extends the Yap Prolog engine to support or-parallel tabling **
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** **
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** **
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** Yap Prolog was developed at University of Porto, Portugal **
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** **
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************************************************************************/
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/************************************************************************
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** General Configuration Parameters **
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************************************************************************/
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/******************************************************************************************
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** use shared pages memory alloc scheme for OPTYap data structures? (optional) **
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******************************************************************************************/
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/* #define USE_PAGES_MALLOC 1 */
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/************************************************************************
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** TABLING Configuration Parameters **
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************************************************************************/
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/****************************
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** default sizes **
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****************************/
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#define MAX_TABLE_VARS 1000
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/**********************************************************
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** trail freeze scheme (mandatory, define one) **
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**********************************************************/
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#define BFZ_TRAIL_SCHEME 1
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/* #define BBREG_TRAIL_SCHEME 1 */
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/*********************************************************
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** support mode directed tabling ? (optional) **
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*********************************************************/
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/* #define MODE_DIRECTED_TABLING 1 */
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/****************************************************
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** support early completion ? (optional) **
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****************************************************/
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#define TABLING_EARLY_COMPLETION 1
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/******************************************************
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** support trie compact pairs ? (optional) **
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******************************************************/
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#define TRIE_COMPACT_PAIRS 1
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/************************************************************
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** support global trie for subterms ? (optional) **
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************************************************************/
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/* #define GLOBAL_TRIE_FOR_SUBTERMS 1 */
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/******************************************************
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** support incomplete tabling ? (optional) **
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******************************************************/
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/* #define INCOMPLETE_TABLING 1 */
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/******************************************************
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** limit the table space size ? (optional) **
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******************************************************/
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/* #define LIMIT_TABLING 1 */
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/*********************************************************
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** support deterministic tabling ? (optional) **
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*********************************************************/
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/* #define DETERMINISTIC_TABLING 1 */
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/*************************************************
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** enable error checking ? (optional) **
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*************************************************/
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/* #define DEBUG_TABLING 1 */
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/************************************************************************
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** YAPOR Configuration Parameters **
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************************************************************************/
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/****************************
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** default sizes **
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****************************/
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#define MAX_LENGTH_ANSWER 1000
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#define MAX_BRANCH_DEPTH 1000
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#define MAX_BEST_TIMES 21
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/************************************************************
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** memory mapping scheme (mandatory, define one) **
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************************************************************/
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#define MMAP_MEMORY_MAPPING_SCHEME 1
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/* #define SHM_MEMORY_MAPPING_SCHEME 1 */
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/*************************************************
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** enable error checking ? (optional) **
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*************************************************/
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/* #define DEBUG_YAPOR 1 */
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/************************************************************************
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** OPTYAP Configuration Parameters **
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************************************************************************/
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/****************************
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** default sizes **
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****************************/
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#define TABLE_LOCK_BUCKETS 512
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#define TG_ANSWER_SLOTS 20
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/***********************************************************
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** tries locking scheme (mandatory, define one) **
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************************************************************
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** The TABLE_LOCK_AT_ENTRY_LEVEL scheme locks the access **
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** to the table space in the entry data structure. It **
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** restricts the number of lock operations needed to go **
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** through the table data structures. **
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** **
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** The TABLE_LOCK_AT_NODE_LEVEL scheme locks each data **
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** structure before accessing it. It decreases **
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** concurrrency for workers accessing commom parts of the **
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** table space. **
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** **
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** The TABLE_LOCK_AT_WRITE_LEVEL scheme is an hibrid **
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** scheme, it only locks a table data structure when it **
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** is going to update it. You can use ALLOC_BEFORE_CHECK **
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** with this scheme to allocate a node before checking **
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** if it will be necessary. **
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***********************************************************/
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/* #define TABLE_LOCK_AT_ENTRY_LEVEL 1 */
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/* #define TABLE_LOCK_AT_NODE_LEVEL 1 */
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#define TABLE_LOCK_AT_WRITE_LEVEL 1
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/* #define ALLOC_BEFORE_CHECK 1 */
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/**********************************************
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** support inner cuts ? (optional) **
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**********************************************/
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#define TABLING_INNER_CUTS 1
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/*********************************************************
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** use timestamps for suspension ? (optional) **
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*********************************************************/
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#define TIMESTAMP_CHECK 1
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/************************************************************************
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** Parameter Checks **
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************************************************************************/
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#ifndef USE_PAGES_MALLOC
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#undef LIMIT_TABLING
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#endif /* !USE_PAGES_MALLOC */
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#ifdef YAPOR
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#ifdef i386 /* For i386 machines we use shared memory segments */
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#undef MMAP_MEMORY_MAPPING_SCHEME
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#define SHM_MEMORY_MAPPING_SCHEME
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#endif /* i386 */
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#if !defined(MMAP_MEMORY_MAPPING_SCHEME) && !defined(SHM_MEMORY_MAPPING_SCHEME)
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#error Define a memory mapping scheme
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#endif /* !MMAP_MEMORY_MAPPING_SCHEME && !SHM_MEMORY_MAPPING_SCHEME */
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#if defined(MMAP_MEMORY_MAPPING_SCHEME) && defined(SHM_MEMORY_MAPPING_SCHEME)
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#error Do not define multiple memory mapping schemes
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#endif /* MMAP_MEMORY_MAPPING_SCHEME && SHM_MEMORY_MAPPING_SCHEME */
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#undef LIMIT_TABLING
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#endif /* YAPOR */
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#ifdef TABLING
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#if !defined(BFZ_TRAIL_SCHEME) && !defined(BBREG_TRAIL_SCHEME)
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#error Define a trail scheme
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#endif /* !BFZ_TRAIL_SCHEME && !BBREG_TRAIL_SCHEME */
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#if defined(BFZ_TRAIL_SCHEME) && defined(BBREG_TRAIL_SCHEME)
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#error Do not define multiple trail schemes
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#endif /* BFZ_TRAIL_SCHEME && BBREG_TRAIL_SCHEME */
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#endif /* TABLING */
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#if defined(YAPOR) && defined(TABLING)
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#if !defined(TABLE_LOCK_AT_ENTRY_LEVEL) && !defined(TABLE_LOCK_AT_NODE_LEVEL) && !defined(TABLE_LOCK_AT_WRITE_LEVEL)
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#error Define a table lock scheme
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#endif /* !TABLE_LOCK_AT_ENTRY_LEVEL && !TABLE_LOCK_AT_NODE_LEVEL && !TABLE_LOCK_AT_WRITE_LEVEL */
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#if defined(TABLE_LOCK_AT_ENTRY_LEVEL)
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#if defined(TABLE_LOCK_AT_NODE_LEVEL) || defined(TABLE_LOCK_AT_WRITE_LEVEL)
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#error Do not define multiple table lock schemes
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#endif /* TABLE_LOCK_AT_NODE_LEVEL || TABLE_LOCK_AT_WRITE_LEVEL */
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#endif /* TABLE_LOCK_AT_ENTRY_LEVEL */
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#if defined(TABLE_LOCK_AT_NODE_LEVEL) && defined(TABLE_LOCK_AT_WRITE_LEVEL)
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#error Do not define multiple table lock schemes
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#endif /* TABLE_LOCK_AT_NODE_LEVEL || TABLE_LOCK_AT_WRITE_LEVEL */
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#ifndef TABLE_LOCK_AT_WRITE_LEVEL
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#undef ALLOC_BEFORE_CHECK
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#endif /* !TABLE_LOCK_AT_WRITE_LEVEL */
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#else
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#undef TABLE_LOCK_AT_ENTRY_LEVEL
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#undef TABLE_LOCK_AT_NODE_LEVEL
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#undef TABLE_LOCK_AT_WRITE_LEVEL
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#undef ALLOC_BEFORE_CHECK
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#endif /* YAPOR && TABLING */
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#if !defined(TABLING) || !defined(YAPOR)
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#undef TABLING_INNER_CUTS
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#undef TIMESTAMP_CHECK
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#endif /* !TABLING || !YAPOR */
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#ifndef YAPOR
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#undef DEBUG_YAPOR
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#endif /* !YAPOR */
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#ifndef TABLING
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#undef BFZ_TRAIL_SCHEME
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#undef BBREG_TRAIL_SCHEME
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#undef TABLING_EARLY_COMPLETION
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#undef TRIE_COMPACT_PAIRS
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#undef GLOBAL_TRIE_FOR_SUBTERMS
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#undef DETERMINISTIC_TABLING
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#undef LIMIT_TABLING
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#undef INCOMPLETE_TABLING
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#undef DEBUG_TABLING
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#endif /* !TABLING */
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#if defined(DEBUG_YAPOR) && defined(DEBUG_TABLING)
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#define DEBUG_OPTYAP
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#endif /* DEBUG_YAPOR && DEBUG_TABLING */
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