Struct dslab_mr::placement_strategies::random::RandomPlacementStrategy

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pub struct RandomPlacementStrategy { /* private fields */ }
Expand description

Randomized placement strategy.

Just places each task on a random host. Inputs are also distributed randomly but evenly between tasks.

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impl Default for RandomPlacementStrategy

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl PlacementStrategy for RandomPlacementStrategy

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fn place_stage( &mut self, _dag_id: usize, stage: &Stage, _graph: &Dag, input_data: &[DataItem], _input_data_shuffled: &[Vec<DataItem>], dfs: &DistributedFileSystem, compute_host_info: &BTreeMap<Id, ComputeHost>, _network: &Network ) -> Vec<TaskPlacement>

Place all tasks of a given stage.
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fn register_dag(&mut self, _dag_id: usize, _graph: &Dag)

Callback when new NewDag is received by Runner.

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impl<T> Any for T
where T: 'static + ?Sized,

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fn borrow(&self) -> &T

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impl<T> DynamicPlacementStrategy for T
where T: PlacementStrategy,

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fn register_dag(&mut self, dag_id: usize, graph: &Dag)

Callback when new NewDag is received by Runner.
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fn on_stage_ready( &mut self, dag_id: usize, stage_id: usize, graph: &Dag, input_data: &BTreeMap<usize, Vec<DataItem>>, input_data_shuffled: &BTreeMap<usize, Vec<Vec<DataItem>>>, dfs: &DistributedFileSystem, compute_host_info: &BTreeMap<u32, ComputeHost>, network: &Network ) -> Vec<StageActions>

Callback when a stage of some DAG is ready.
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fn on_task_completed( &mut self, _dag_id: usize, _stage_id: usize, _task: usize, _graph: &Dag, _input_data: &BTreeMap<usize, Vec<DataItem>>, _input_data_shuffled: &BTreeMap<usize, Vec<Vec<DataItem>>>, _dfs: &DistributedFileSystem, _compute_host_info: &BTreeMap<u32, ComputeHost>, _network: &Network ) -> Vec<StageActions>

Callback when some task is completed.
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fn on_stage_completed( &mut self, _dag_id: usize, _stage_id: usize, _graph: &Dag, _input_data: &BTreeMap<usize, Vec<DataItem>>, _input_data_shuffled: &BTreeMap<usize, Vec<Vec<DataItem>>>, _dfs: &DistributedFileSystem, _compute_host_info: &BTreeMap<u32, ComputeHost>, _network: &Network ) -> Vec<StageActions>

Callback when some stage is completed.
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