Do Simevents Entity Servers release entities in a FIFO manner?

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In my model I have entities being painted several times looping back to the paint bay.
Up to 8 cure on a rack (Draying racks) before they are returned for further painting.
I had assumed that entities departing the Entity Server (Drying racks) would do so in a FIFO manner when blocked.
However some entities seem to be "overtaking" others, implying non-FIFO exit.
I could put ina FIFO buffer after the server but wanted to avoid if not necessary.
Does an Entity Server exit entities in a FIFO manner if the exit port is blocked for a while? i.e. if its blocked and serveral entities are ready to exit what order do they exit in by default?

Accepted Answer

Abdolkarim Mohammadi
Abdolkarim Mohammadi on 7 Sep 2020
Edited: Abdolkarim Mohammadi on 7 Sep 2020
Generally, the server starts to serve an entity as soon as the entity enters the block. The server tries to forward the entity as soon as the block is done serving the entity. If the service time is the same for all of the entities AND the next block always accept entities, then entities leave the server in a FIFO manner. If either of these two conditions are violated, then the entities may or may not leave the server in FIFO.
  1 Comment
Paul on 8 Sep 2020
Great, thanks Abdolkarim,
That explains the behaviour I'm seeing. Thanks again.

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