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160 lines
3.9 KiB
160 lines
3.9 KiB
// power manager example
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mdp
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const int QMAX =2; // max queue size
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// to model the pm making a choice and then a move being made we need
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// two clock ticks for each transition
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// first the pm decides tick1 and then the system moves tick2
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module timer
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c : [0..1];
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[tick1] c=0 -> (c'=1);
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[tick2] c=1 -> (c'=0);
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endmodule
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//-------------------------------------------------------------------------
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// POWER MANAGER
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module PM
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pm : [0..4] init 4;
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// 0 - go to active
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// 1 - go to idle
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// 2 - go to idlelp
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// 3 - go to stby
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// 4 - go to sleep
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[tick1] true -> (pm'=0);
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[tick1] true -> (pm'=1);
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[tick1] true -> (pm'=2);
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[tick1] true -> (pm'=3);
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[tick1] true -> (pm'=4);
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endmodule
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//-------------------------------------------------------------------------
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// SERVICE REQUESTER
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module SR
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sr : [0..1] init 0;
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// 0 idle
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// 1 1req
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[tick2] sr=0 -> 0.898: (sr'=0) + 0.102: (sr'=1);
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[tick2] sr=1 -> 0.454: (sr'=0) + 0.546: (sr'=1);
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endmodule
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//-------------------------------------------------------------------------
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// SERVICE PROVIDER
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module SP
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sp : [0..10] init 9;
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// 0 active
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// 1 idle
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// 2 active_idlelp
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// 3 idlelp
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// 4 idlelp_active
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// 5 active_stby
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// 6 stby
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// 7 stby_active
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// 8 active_sleep
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// 9 sleep
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// 10 sleep_active
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// states where PM has no control (transient states)
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[tick2] sp=2 -> 0.75 : (sp'=2) + 0.25 : (sp'=3); // active_idlelp
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[tick2] sp=4 -> 0.25 : (sp'=0) + 0.75 : (sp'=4); // idlelp_active
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[tick2] sp=5 -> 0.995 : (sp'=5) + 0.005 : (sp'=6); // active_stby
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[tick2] sp=7 -> 0.005 : (sp'=0) + 0.995 : (sp'=7); // stby_active
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[tick2] sp=8 -> 0.9983 : (sp'=8) + 0.0017 : (sp'=9); // active_sleep
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[tick2] sp=10 -> 0.0017 : (sp'=0) + 0.9983 : (sp'=10); // sleep_active
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// states where PM has control
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// goto_active
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[tick2] sp=0 & pm=0 -> (sp'=0); // active
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[tick2] sp=1 & pm=0 -> (sp'=0); // idle
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[tick2] sp=3 & pm=0 -> (sp'=4); // idlelp
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[tick2] sp=6 & pm=0 -> (sp'=7); // stby
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[tick2] sp=9 & pm=0 -> (sp'=10); // sleep
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// goto_idle
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[tick2] sp=0 & pm=1 -> (sp'=1); // active
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[tick2] sp=1 & pm=1 -> (sp'=1); // idle
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[tick2] sp=3 & pm=1 -> (sp'=3); // idlelp
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[tick2] sp=6 & pm=1 -> (sp'=6); // stby
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[tick2] sp=9 & pm=1 -> (sp'=9); // sleep
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// goto_idlelp
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[tick2] sp=0 & pm=2 -> (sp'=2); // active
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[tick2] sp=1 & pm=2 -> (sp'=2); // idle
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[tick2] sp=3 & pm=2 -> (sp'=3); // idlelp
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[tick2] sp=6 & pm=2 -> (sp'=6); // stby
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[tick2] sp=9 & pm=2 -> (sp'=9); // sleep
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// goto_stby
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[tick2] sp=0 & pm=3 -> (sp'=5); // active
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[tick2] sp=1 & pm=3 -> (sp'=5); // idle
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[tick2] sp=3 & pm=3 -> (sp'=5); // idlelp
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[tick2] sp=6 & pm=3 -> (sp'=6); // stby
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[tick2] sp=9 & pm=3 -> (sp'=9); // sleep
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// goto_sleep
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[tick2] sp=0 & pm=4 -> (sp'=8); // active
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[tick2] sp=1 & pm=4 -> (sp'=8); // idle
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[tick2] sp=3 & pm=4 -> (sp'=8); // idlelp
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[tick2] sp=6 & pm=4 -> (sp'=8); // stby
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[tick2] sp=9 & pm=4 -> (sp'=9); // sleep
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endmodule
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//-------------------------------------------------------------------------
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// SQ
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module SQ
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q : [0..QMAX] init 0;
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// serve if busy
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[tick2] sr=0 & sp=0 -> (q'=max(q-1,0));
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[tick2] sr=1 & sp=0 -> (q'=q);
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// otherwise do nothing
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[tick2] sr=0 & sp>0 -> (q'=q);
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[tick2] sr=1 & sp>0 -> (q'=min(q+1,QMAX));
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endmodule
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//-------------------------------------------------------------------------
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//rewards "time"
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// [tick2] bat=1 : 1;
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//endrewards
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rewards "power"
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[tick2] sp=0 & c=1 : 2.5;
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[tick2] sp=1 & c=1 : 1.5;
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[tick2] sp=2 & c=1 : 2.5;
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[tick2] sp=3 & c=1 : 0.8;
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[tick2] sp=4 & c=1 : 2.5;
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[tick2] sp=5 & c=1 : 2.5;
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[tick2] sp=6 & c=1 : 0.3;
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[tick2] sp=7 & c=1 : 2.5;
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[tick2] sp=8 & c=1 : 2.5;
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[tick2] sp=9 & c=1 : 0.1;
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[tick2] sp=10 & c=1 : 2.5;
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endrewards
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// is an instantaneous property but I suppose we can look at average size
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// i.e. divide by the expected number of time steps
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rewards "queue"
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[tick2] c=1 : q;
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endrewards
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rewards "lost"
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[tick2] sr=1 & sp>0 & q=2 : 1;
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endrewards
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