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yap-6.3/pl/yapor.yap

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/**
* @file yapor.yap
* @author VITOR SANTOS COSTA <vsc@VITORs-MBP-2.lan>
* @date Thu Oct 19 12:23:00 2017
*
* @brief Or-Parallelism
*
* @defgroup YapOR Or-Parallelism
@ @ingroup extensions
*
*
*/
:- system_module( '$_utils', [callable/1,
current_op/3,
nb_current/2,
nth_instance/3,
nth_instance/4,
op/3,
prolog/0,
recordaifnot/3,
recordzifnot/3,
simple/1,
subsumes_term/2], ['$getval_exception'/3]).
:- use_system_module( '$_boot', ['$live'/0]).
:- use_system_module( '$_errors', ['$do_error'/2]).
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% %%
%% The YapTab/YapOr/OPTYap systems %%
%% %%
%% YapTab extends the Yap Prolog engine to support sequential tabling %%
%% YapOr extends the Yap Prolog engine to support or-parallelism %%
%% OPTYap extends the Yap Prolog engine to support or-parallel tabling %%
%% %%
%% %%
%% Yap Prolog was developed at University of Porto, Portugal %%
%% %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
:- meta_predicate
parallel(0),
parallel_findall(?,0,?),
parallel_findfirst(?,0,?),
parallel_once(0).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% or_statistics/0 %%
%% opt_statistics/0 %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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or_statistics :-
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current_output(Stream),
or_statistics(Stream).
opt_statistics :-
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current_output(Stream),
opt_statistics(Stream).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% or_statistics/2 %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% should match with code in OPTYap/opt.preds.c
or_statistics(total_memory,[BytesInUse,BytesAllocated]) :-
'$c_get_optyap_statistics'(0,BytesInUse,BytesAllocated).
or_statistics(or_frames,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(4,BytesInUse,StructsInUse).
or_statistics(query_goal_solution_frames,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(12,BytesInUse,StructsInUse).
or_statistics(query_goal_answer_frames,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(13,BytesInUse,StructsInUse).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% opt_statistics/2 %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% should match with code in OPTYap/opt.preds.c
opt_statistics(total_memory,[BytesInUse,BytesAllocated]) :-
'$c_get_optyap_statistics'(0,BytesInUse,BytesAllocated).
opt_statistics(table_entries,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(1,BytesInUse,StructsInUse).
opt_statistics(subgoal_frames,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(2,BytesInUse,StructsInUse).
opt_statistics(dependency_frames,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(3,BytesInUse,StructsInUse).
opt_statistics(or_frames,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(4,BytesInUse,StructsInUse).
opt_statistics(suspension_frames,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(5,BytesInUse,StructsInUse).
opt_statistics(subgoal_trie_nodes,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(6,BytesInUse,StructsInUse).
opt_statistics(answer_trie_nodes,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(7,BytesInUse,StructsInUse).
opt_statistics(subgoal_trie_hashes,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(8,BytesInUse,StructsInUse).
opt_statistics(answer_trie_hashes,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(9,BytesInUse,StructsInUse).
opt_statistics(global_trie_nodes,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(10,BytesInUse,StructsInUse).
opt_statistics(global_trie_hashes,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(11,BytesInUse,StructsInUse).
opt_statistics(query_goal_solution_frames,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(12,BytesInUse,StructsInUse).
opt_statistics(query_goal_answer_frames,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(13,BytesInUse,StructsInUse).
opt_statistics(table_subgoal_solution_frames,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(14,BytesInUse,StructsInUse).
opt_statistics(table_subgoal_answer_frames,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(15,BytesInUse,StructsInUse).
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opt_statistics(subgoal_entries,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(16,BytesInUse,StructsInUse).
opt_statistics(answer_ref_nodes,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(17,BytesInUse,StructsInUse).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% parallel/1 %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
parallel(Goal) :-
parallel_mode(Mode), Mode = on, !,
(
'$parallel_query'(Goal)
;
true
).
parallel(Goal) :-
(
'$execute'(Goal),
fail
;
true
).
'$parallel_query'(Goal) :-
'$c_yapor_start',
'$execute'(Goal),
fail.
'$parallel_query'(_).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% parallel_findall/3 %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
parallel_findall(Template,Goal,Answers) :-
parallel_mode(Mode), Mode = on, !,
(
'$parallel_findall_query'(Template,Goal)
;
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'$c_parallel_get_answers'(Refs),
'$parallel_findall_recorded'(Refs,Answers),
eraseall(parallel_findall)
).
parallel_findall(Template,Goal,Answers) :-
findall(Template,Goal,Answers).
'$parallel_findall_query'(Template,Goal) :-
'$c_yapor_start',
'$execute'(Goal),
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recordz(parallel_findall,Template,Ref),
'$c_parallel_new_answer'(Ref),
fail.
'$parallel_findall_query'(_,_).
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'$parallel_findall_recorded'([],[]) :- !.
'$parallel_findall_recorded'([Ref|Refs],[Template|Answers]):-
recorded(parallel_findall,Template,Ref),
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'$parallel_findall_recorded'(Refs,Answers).
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% parallel_findfirst/3 %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
parallel_findfirst(Template,Goal,Answer) :-
parallel_findall(Template,(Goal,!),Answer).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% parallel_once/1 %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
parallel_once(Goal) :-
parallel_mode(Mode), Mode = on, !,
(
'$parallel_once_query'(Goal)
;
recorded(parallel_once,Goal,Ref),
erase(Ref)
).
parallel_once(Goal) :-
once(Goal).
'$parallel_once_query'(Goal) :-
'$c_yapor_start',
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'$execute'(once(Goal)),
recordz(parallel_once,Goal,_),
fail.
'$parallel_once_query'(_).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%