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?1 s% S& b5 u5 R* }
下面的代码不知道能否满足你的要求。
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( C3 ]3 ]4 E" Vbegin model initialization function
3 f& x$ N9 ?) K- X0 j" V% X create 1 load of L_null to P_creation! ^& v9 s# D: W. n5 r7 m
/*L_null is a load type of which the load create loads for the model.*/
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return true
6 M- v7 {8 t$ [1 `end
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* d' P3 k& ]+ w, Gbegin P_creation arriving procedure( M1 A" r) k1 j' o; k" A$ p
while 1 = 1 begin' A1 P8 d' ]1 b4 }6 V# t" W7 }
wait for V_interval sec
, W/ j) w, g" S! ?. p/*V_interval is the interval of creation of loads, fixed or random.*/5 o1 z) a/ D6 C, J6 X, S- O0 Z
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
9 L/ b3 ^2 M9 I, H, r, n3 P/*V_p is the parameter of the distribution.*/
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end
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9 B1 U4 u# c# a' m# a) Nbegin P_process arriving procedure
, ?: b$ M$ u. X9 c$ U/*Any process the load will be in.*/
, O/ W/ D! p3 C" n- m7 S print "1 load created" to message$ o: q9 Q2 u$ P3 T0 O" R$ r
end |