/*  VAX C-Prolog Benchmark Package  /*
/*  Copyright 1985 by Tektronix, Inc., and Portland State University  /*
 
 
/*  Get an average cpu time for 5 different parameters  */
 
test_dsearch :-
nl, write('!**  BEGIN DbaseSearch BENCHMARK'), nl,
ave_dsearch(500),
ave_dsearch(1000),
ave_dsearch(1500),
ave_dsearch(2000),
ave_dsearch(2500),
nl, write('!**  END DbaseSearch BENCHMARK'), nl.
 
/*  call the benchmark 3 times and calculate the average  */
 
ave_dsearch(P) :-
call_dsearch(P,T1),
call_dsearch(P,T2),
call_dsearch(P,T3),
calc_ave_dsearch(P,T1,T2,T3).
 
/*  call benchmark and return cputime in msecs.  */
 
call_dsearch(P,T) :-
T1 is cputime,
dsearch(P),
T2 is cputime,
T is 1000*(T2-T1).
 
/*  calculate average of 3 times for parameter P  */
 
calc_ave_dsearch(P,T1,T2,T3) :-
Ave is (T1+T2+T3)/3,
nl, write('!**  Average cputime for '),
write(P), write(' dsearch is '),
write(Ave), write(' msecs.'), nl.
 
:- test_dsearch.
 
