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?/ Q, ?8 g, _+ j% g- |! K
下面的代码不知道能否满足你的要求。
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5 a% @/ N- K6 e5 bbegin model initialization function7 {! n; E' w7 d2 H1 A
create 1 load of L_null to P_creation
0 a% d; `. W3 ^. M/*L_null is a load type of which the load create loads for the model.*/4 M9 G% O& T' h9 S. a% d/ a. r' W3 G
* o* i4 N8 C& F0 L2 o return true: w1 t, a) a3 d$ s: _7 k! L
end) x' N3 i- `0 ~, Z. p9 o7 \6 M
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begin P_creation arriving procedure% R. k: {: a$ y/ j8 Z5 p7 g9 o
while 1 = 1 begin
) r2 q* Y1 ^1 ?: r: i& Q wait for V_interval sec, O4 k) x1 W1 i( ~6 F
/*V_interval is the interval of creation of loads, fixed or random.*/
* K5 s9 C1 C! ~; x5 B+ } create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)/ G( L% p( \0 M# ?* c2 V- w
/*V_p is the parameter of the distribution.*/8 P) C& q, T9 m, E5 t. S! I
end
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begin P_process arriving procedure, X! C+ `9 X- V
/*Any process the load will be in.*/
2 H; z3 T x, K I4 }; P print "1 load created" to message8 D+ x9 H3 d& [* Y/ ?
end |