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?
. g" S* p0 D- z下面的代码不知道能否满足你的要求。
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' ^. h* Z( E. G" _4 r; H4 C! `6 Mbegin model initialization function" R' N0 Y! o% y! E) q/ j$ r
create 1 load of L_null to P_creation
, y4 ^1 u* ?- U2 A' S+ n. K: _/*L_null is a load type of which the load create loads for the model.*/
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4 Y, R8 L _ d3 K, O return true& U7 |0 }/ E0 n, Z1 J# l
end
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3 ] V0 n, ^% N7 r1 Ubegin P_creation arriving procedure% W8 S4 L9 n% f( F: e0 v! f# N
while 1 = 1 begin
0 N( L- Y0 ]( C2 Y, \ wait for V_interval sec3 a# g, b. d8 O" x* T) r8 a! ^
/*V_interval is the interval of creation of loads, fixed or random.*/2 N) o' |6 G. ?# K, \0 C
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
4 R. x2 [$ ]# N+ ^1 R/*V_p is the parameter of the distribution.*/
. c8 H1 b/ c. ]' ? end8 O# e ~" P) [- J
end) ^, X4 e5 r5 m7 O* k$ i. u1 E6 i
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begin P_process arriving procedure: U' u! z; F! {% L' a; G+ b
/*Any process the load will be in.*/
( ^$ Y5 G; i @ print "1 load created" to message3 x' S6 a3 |& e) z2 ?" N, m
end |