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?
3 S$ Q8 s( B: y6 Y2 Y, M下面的代码不知道能否满足你的要求。
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! N5 p1 S: G, u. r& qbegin model initialization function8 \. D5 m7 }% s8 ?+ A
create 1 load of L_null to P_creation) C, Z4 L- f; [( `2 `
/*L_null is a load type of which the load create loads for the model.*/
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return true% X' D, {) o" r8 |& y# `
end: K9 }5 O9 E* W6 t% P& Z1 Q
4 S+ S5 D0 s4 c# z% lbegin P_creation arriving procedure; v L- L; C* s6 A& K9 _
while 1 = 1 begin8 j1 }0 N6 j, z7 n# N
wait for V_interval sec
7 u) u ?( S4 r/*V_interval is the interval of creation of loads, fixed or random.*/
7 |% `, {, K/ Q/ W( R create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
, p8 p! A' b) p; Z( p* Y. a/*V_p is the parameter of the distribution.*/0 [/ i6 Z$ J' j v" Y
end: p" B; N. _; x. p+ a# T
end
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2 w$ p. G3 |5 z. Obegin P_process arriving procedure- s. X* b; y+ ?+ q/ P: j6 f% T
/*Any process the load will be in.*/
: J% D1 X- k" P print "1 load created" to message$ n ]5 B |+ G' e. G4 H
end |