168 lines
6.5 KiB
Prolog
168 lines
6.5 KiB
Prolog
/*************************************************************************
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* *
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* YAP Prolog *
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* *
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* Yap Prolog was developed at NCCUP - Universidade do Porto *
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* *
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* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
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* *
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**************************************************************************
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* *
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* File: statistics.yap *
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* Last rev: 8/2/88 *
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* mods: *
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* comments: statistics on Prolog status *
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* *
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*************************************************************************/
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%%% User interface for statistics
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statistics :-
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'$runtime'(Runtime,_),
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'$cputime'(CPUtime,_),
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'$systime'(SYStime,_),
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'$walltime'(Walltime,_),
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'$statistics_heap_info'(HpSpa, HpInUse),
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'$statistics_heap_max'(HpMax),
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'$statistics_trail_info'(TrlSpa, TrlInUse),
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'$statistics_trail_max'(TrlMax),
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'$statistics_stacks_info'(StkSpa, GlobInU, LocInU),
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'$statistics_global_max'(GlobMax),
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'$statistics_local_max'(LocMax),
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'$inform_heap_overflows'(NOfHO,TotHOTime),
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'$inform_stack_overflows'(NOfSO,TotSOTime),
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'$inform_trail_overflows'(NOfTO,TotTOTime),
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'$inform_gc'(NOfGC,TotGCTime,TotGCSize),
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'$inform_agc'(NOfAGC,TotAGCTime,TotAGCSize),
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'$statistics'(Runtime,CPUtime,SYStime,Walltime,HpSpa,HpInUse,HpMax,TrlSpa, TrlInUse,TrlMax,StkSpa, GlobInU, LocInU,GlobMax,LocMax,NOfHO,TotHOTime,NOfSO,TotSOTime,NOfTO,TotTOTime,NOfGC,TotGCTime,TotGCSize,NOfAGC,TotAGCTime,TotAGCSize).
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'$statistics'(Runtime,CPUtime,SYStime,Walltime,HpSpa,HpInUse,HpMax,TrlSpa, TrlInUse,_TrlMax,StkSpa, GlobInU, LocInU,GlobMax,LocMax,NOfHO,TotHOTime,NOfSO,TotSOTime,NOfTO,TotTOTime,NOfGC,TotGCTime,TotGCSize,NOfAGC,TotAGCTime,TotAGCSize) :-
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TotalMemory is HpSpa+StkSpa+TrlSpa,
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format(user_error,'memory (total)~t~d bytes~35+~n', [TotalMemory]),
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format(user_error,' program space~t~d bytes~35+', [HpSpa]),
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format(user_error,':~t ~d in use~19+', [HpInUse]),
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HpFree is HpSpa-HpInUse,
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format(user_error,',~t ~d free~19+~n', [HpFree]),
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format(user_error,'~t ~d max~73+~n', [HpMax]),
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format(user_error,' stack space~t~d bytes~35+', [StkSpa]),
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StackInUse is GlobInU+LocInU,
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format(user_error,':~t ~d in use~19+', [StackInUse]),
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StackFree is StkSpa-StackInUse,
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format(user_error,',~t ~d free~19+~n', [StackFree]),
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format(user_error,' global stack:~t~35+', []),
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format(user_error,' ~t ~d in use~19+', [GlobInU]),
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format(user_error,',~t ~d max~19+~n', [GlobMax]),
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format(user_error,' local stack:~t~35+', []),
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format(user_error,' ~t ~d in use~19+', [LocInU]),
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format(user_error,',~t ~d max~19+~n', [LocMax]),
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format(user_error,' trail stack~t~d bytes~35+', [TrlSpa]),
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format(user_error,':~t ~d in use~19+', [TrlInUse]),
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TrlFree is TrlSpa-TrlInUse,
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format(user_error,',~t ~d free~19+~n', [TrlFree]),
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OvfTime is (TotHOTime+TotSOTime+TotTOTime)/1000,
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format(user_error,'~n~t~3f~12+ sec. for ~w code, ~w stack, and ~w trail space overflows~n',
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[OvfTime,NOfHO,NOfSO,NOfTO]),
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TotGCTimeF is float(TotGCTime)/1000,
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format(user_error,'~t~3f~12+ sec. for ~w garbage collections which collected ~d bytes~n',
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[TotGCTimeF,NOfGC,TotGCSize]),
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TotAGCTimeF is float(TotAGCTime)/1000,
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format(user_error,'~t~3f~12+ sec. for ~w atom garbage collections which collected ~d bytes~n',
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[TotAGCTimeF,NOfAGC,TotAGCSize]),
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RTime is float(Runtime)/1000,
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format(user_error,'~t~3f~12+ sec. runtime~n', [RTime]),
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CPUTime is float(CPUtime)/1000,
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format(user_error,'~t~3f~12+ sec. cputime~n', [CPUTime]),
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SYSTime is float(SYStime)/1000,
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format(user_error,'~t~3f~12+ sec. systime~n', [SYSTime]),
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WallTime is float(Walltime)/1000,
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format(user_error,'~t~3f~12+ sec. elapsed time~n~n', [WallTime]),
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fail.
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'$statistics'(_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_).
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statistics(runtime,[T,L]) :-
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'$runtime'(T,L).
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statistics(cputime,[T,L]) :-
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'$cputime'(T,L).
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statistics(walltime,[T,L]) :-
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'$walltime'(T,L).
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statistics(threads,NT) :-
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'$nof_threads'(NT).
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statistics(threads_created,TC) :-
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'$nof_threads_created'(TC).
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statistics(thread_cputime,TR) :-
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'$thread_runtime'(TR).
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%statistics(core,[_]).
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%statistics(memory,[_]).
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statistics(heap,[Hp,HpF]) :-
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'$statistics_heap_info'(HpM, Hp),
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HpF is HpM-Hp.
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statistics(program,Info) :-
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statistics(heap,Info).
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statistics(global_stack,[GlobInU,GlobFree]) :-
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'$statistics_stacks_info'(StkSpa, GlobInU, LocInU),
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GlobFree is StkSpa-GlobInU-LocInU.
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statistics(local_stack,[LocInU,LocFree]) :-
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'$statistics_stacks_info'(StkSpa, GlobInU, LocInU),
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LocFree is StkSpa-GlobInU-LocInU.
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statistics(trail,[TrlInUse,TrlFree]) :-
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'$statistics_trail_info'(TrlSpa, TrlInUse),
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TrlFree is TrlSpa-TrlInUse.
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statistics(garbage_collection,[NOfGC,TotGCSize,TotGCTime]) :-
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'$inform_gc'(NOfGC,TotGCTime,TotGCSize).
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statistics(stack_shifts,[NOfHO,NOfSO,NOfTO]) :-
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'$inform_heap_overflows'(NOfHO,_),
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'$inform_stack_overflows'(NOfSO,_),
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'$inform_trail_overflows'(NOfTO,_).
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statistics(atoms,[NOf,SizeOf]) :-
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'$statistics_atom_info'(NOf,SizeOf),
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'$inform_stack_overflows'(NOfSO,_),
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'$inform_trail_overflows'(NOfTO,_).
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statistics(static_code,[ClauseSize, IndexSize, TreeIndexSize, ExtIndexSize, SWIndexSize]) :-
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'$statistics_db_size'(ClauseSize, TreeIndexSize, ExtIndexSize, SWIndexSize),
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IndexSize is TreeIndexSize+ ExtIndexSize+ SWIndexSize.
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statistics(dynamic_code,[ClauseSize,IndexSize, TreeIndexSize, CPIndexSize, ExtIndexSize, SWIndexSize]) :-
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'$statistics_lu_db_size'(ClauseSize, TreeIndexSize, CPIndexSize, ExtIndexSize, SWIndexSize),
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IndexSize is TreeIndexSize+CPIndexSize+ ExtIndexSize+ SWIndexSize.
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key_statistics(Key, NOfEntries, TotalSize) :-
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key_statistics(Key, NOfEntries, ClSize, IndxSize),
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TotalSize is ClSize+IndxSize.
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%% time(:Goal)
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%
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% Time the execution of Goal. Possible choice-points of Goal are removed.
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% Based on the SWI-Prolog definition minus reporting the number of inferences,
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% which YAP does not currently supports
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:- meta_predicate time(:).
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time(Goal) :-
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var(Goal),
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'$do_error'(instantiation_error,time(Goal)).
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time(_:Goal) :-
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var(Goal),
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'$do_error'(instantiation_error,time(Goal)).
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time(Goal) :- \+ callable(Goal), !,
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'$do_error'(type_error(callable,Goal),time(Goal)).
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time(Goal) :-
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statistics(walltime, _),
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statistics(cputime, _),
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( catch(Goal, E, true)
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-> Result = yes
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; Result = no
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),
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statistics(cputime, [_, Time]),
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statistics(walltime, [_, Wall]),
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( Time =:= 0
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-> CPU = 'Inf'
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; CPU is truncate(Time/Wall*100)
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),
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TimeSecs is Time/1000,
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WallSecs is Wall/1000,
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format(user_error,'% ~3f CPU in ~3f seconds (~|~t~w~3+% CPU)~n', [TimeSecs, WallSecs, CPU]),
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( nonvar(E)
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-> throw(E)
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; Result == yes
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).
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