Comments (2)
Hi @lec00q
Pausing and restarting the simulation can be done by running until a certain time, then using the same Simulation object again to run the rest of the time.
For example, running a simulatiuon for 20 time units, but pausing at 10.
First consider not pausing at all:
>>> N = ciw.create_network(
... arrival_distributions=[ciw.dists.Exponential(1)],
... service_distributions=[ciw.dists.Exponential(2)],
... number_of_servers=[2]
... )
>>> ciw.seed(0)
>>> Q = ciw.Simulation(N)
>>> Q.simulate_until_max_time(20)
>>> recs = Q.get_all_records()
>>> len(recs)
14
>>> [r.arrival_date for r in recs]
[2.4063202566068163,
1.8606071110652234,
3.122275006373967,
4.65381985396865,
5.301223323521953,
7.688417791844613,
8.019477683822869,
8.982778780921402,
11.387908978434579,
13.421061759569643,
13.049784186726923,
15.712096692891578,
16.35102601912159,
16.9204908622033]
Now lets run it for the first 10 time units, lookn at the resutls, then continue it to the end of the simulation:
>>> ciw.seed(0)
>>> Q = ciw.Simulation(N)
>>> Q.simulate_until_max_time(10)
>>> recs_pause = Q.get_all_records()
>>> len(recs_pause)
8
>>> [r.arrival_date for r in recs_pause]
[2.4063202566068163,
1.8606071110652234,
3.122275006373967,
4.65381985396865,
5.301223323521953,
7.688417791844613,
8.019477683822869,
8.982778780921402]
>>> # Now continue to simulate the same object until time 20:
>>> Q.simulate_until_max_time(20)
>>> recs_afterpause = Q.get_all_records()
>>> len(recs_afterpause)
14
>>> [r.arrival_date for r in recs_afterpause]
[2.4063202566068163,
1.8606071110652234,
3.122275006373967,
4.65381985396865,
5.301223323521953,
7.688417791844613,
8.019477683822869,
8.982778780921402,
11.387908978434579,
13.421061759569643,
13.049784186726923,
15.712096692891578,
16.35102601912159,
16.9204908622033]
Hope this helps
from ciw.
Hi @geraintpalmer, I was trying that but I wasn't sure about the result. My bad!
I will give it a go again after your suggestion.
Many thanks!
from ciw.
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