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?/ V$ f8 U8 F( g4 N1 o
下面的代码不知道能否满足你的要求。
8 n: L* ^! Y+ j
1 E5 y+ B* E D! C! vbegin model initialization function) @0 P6 P5 d4 O. v
create 1 load of L_null to P_creation3 e, P" u) \' c( b( l: Y
/*L_null is a load type of which the load create loads for the model.*/2 I) m, }& Z9 a9 g! g
, N9 L" ?" Y1 {9 A
return true
7 x9 B* a7 I3 _- F Y9 m1 @- {end
D, x- r) \! _* o
4 X# r& _2 N+ q4 L4 g' H0 rbegin P_creation arriving procedure
9 m1 i& s) o8 k5 z# x8 y4 M( _ while 1 = 1 begin, H+ x: E4 R" i- Y1 {/ v2 v: q9 L
wait for V_interval sec. F( R% y( r+ u# {2 w, h
/*V_interval is the interval of creation of loads, fixed or random.*/4 h* o6 v* `8 f0 o
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
' d( V% I. A9 M) A5 G/*V_p is the parameter of the distribution.*/9 V, r0 O; z$ l0 `/ ]) k, v- L- j' ^
end d% j/ s% P+ t' Z8 I, J) {# n
end6 l% i" W: Y+ h1 b1 {; Q) f- i
. ]; W; e: R; M) Y6 H: v" D
begin P_process arriving procedure
_) S+ L4 H, C/ }/*Any process the load will be in.*/. a9 U) b/ N; P% F
print "1 load created" to message" t( }0 h+ H- \* \; {
end |