什么叫“到达为伯努力过程”?是不是说,隔一段时间出现一个机会,产生或不产生load?: m# x# r+ {$ ?7 u7 E
下面的代码不知道能否满足你的要求。; `; \: l, M" i, l# H$ J$ Q
/ q2 v# _9 S) h( J0 q D/ y0 Vbegin model initialization function0 p. z. Q% c; P$ Z! S2 ?
create 1 load of L_null to P_creation
& h* \/ x, N3 }1 a: W+ k+ a/*L_null is a load type of which the load create loads for the model.*/
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return true% d, L ~ W$ ?/ D$ r* X, w
end d1 s3 G' z, Y' k c/ s% t
0 ]4 I; \: Q& w. P4 B* r% Q, [" G' Hbegin P_creation arriving procedure
d/ i) f1 U) {) x6 u, R while 1 = 1 begin. ?9 s- |8 O. S, N
wait for V_interval sec
* p% [+ t ]6 g: K7 R+ e3 c' g* i/*V_interval is the interval of creation of loads, fixed or random.*/
+ P1 E; p' r3 T5 t1 _ create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
) u1 g$ o* r3 T/*V_p is the parameter of the distribution.*/: K: V$ J9 `" R8 D2 J# I4 x' _0 w
end
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begin P_process arriving procedure( N# g" m# _6 F8 h
/*Any process the load will be in.*/+ i9 a) h, x n
print "1 load created" to message' }( S5 ^6 ~, ?1 j) l
end |