lumiera_/doc/technical/vault/scheduler.txt
Ichthyostega 23f6f731f1 DOC: update technical docs to reflect recent development
At various places, concepts and drafts from the early stage of the
Lumiera Project are still reflected in the online documentation pages.
During the last months, development focussed on the Render Engine,
causing a shift in some parts of the design, and obsoleting other
parts altogether (notably we consider to use IO_URING for async IO)
2023-10-25 00:02:08 +02:00

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Scheduler and Job handling
==========================
The purpose of the _Scheduler_ is to run small self contained _Jobs_
ordered by priority and observing specific timing constraints.
NOTE: Subject to [yellow-background]#active design and implementation# work as of 10/2023
Work-in-progress documentation can be found in the
link:{l}/wiki/renderengine.html#PlaybackVerticalSlice%20RenderEngine%20Scheduler%20SchedulerWorker%20SchedulerMemory%20RenderActivity%20Player%20FrameDispatcher%20JobPlanningPipeline%20PlayProcess%20Rendering%20ProcNode%20NodeOperationProtocol[Tiddly Wiki]
About Jobs
----------
A job is a closure to run a small and limited action or operation, which
in itself _should not block_. Job may depend on each other and on resources
to be provided. A job may be rescheduled prior to invocation, but it is
activated at most once by an _Scheduler Action._