GridBasedEnumerator (Apache SystemDS 3.3.0-SNAPSHOT API)

java.lang.Object
- org.apache.sysds.resource.enumeration.Enumerator
- - org.apache.sysds.resource.enumeration.GridBasedEnumerator

public class GridBasedEnumerator
extends Enumerator

Nested Class Summary
- Nested classes/interfaces inherited from class org.apache.sysds.resource.enumeration.Enumerator
  Enumerator.Builder, Enumerator.EnumerationStrategy, Enumerator.OptimizationStrategy

Field Summary
- Fields inherited from class org.apache.sysds.resource.enumeration.Enumerator
  COST_DELTA_FRACTION, DEFAULT_MAX_EXECUTORS, DEFAULT_MIN_EXECUTORS, MAX_LEVEL_PARALLELISM

Constructor Summary

Constructors
Constructor Description

GridBasedEnumerator(Enumerator.Builder builder, int stepSizeExecutors, int expBaseExecutors)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`ArrayList<Integer>`	`estimateRangeExecutors(long executorMemory, int executorCores)`	Estimates the minimum and maximum number of executors based on given VM instance characteristics and on the enumeration strategy
`boolean`	`evaluateSingleNodeExecution(long driverMemory)`
`void`	`preprocessing()`	Initializes the pool for driver and executor instances parsed at processing with all the available instances

Methods inherited from class org.apache.sysds.resource.enumeration.Enumerator
getDriverSpace, getExecutorSpace, getInstances, getSolutionPool, loadInstanceTableFile, postprocessing, processing, setDriverSpace, setExecutorSpace, setInstanceTable, setSolutionPool

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - GridBasedEnumerator
```
public GridBasedEnumerator(Enumerator.Builder builder,
                           int stepSizeExecutors,
                           int expBaseExecutors)
```
- Method Detail
  - preprocessing
```
public void preprocessing()
```
    Initializes the pool for driver and executor instances parsed at processing with all the available instances
    
    Specified by:
    
    preprocessing in class Enumerator
  - evaluateSingleNodeExecution
```
public boolean evaluateSingleNodeExecution(long driverMemory)
```
    Specified by:
    
    evaluateSingleNodeExecution in class Enumerator
  - estimateRangeExecutors
```
public ArrayList<Integer> estimateRangeExecutors(long executorMemory,
                                                 int executorCores)
```
    Description copied from class: Enumerator
    
    Estimates the minimum and maximum number of executors based on given VM instance characteristics and on the enumeration strategy
    
    Specified by:
    
    estimateRangeExecutors in class Enumerator
    
    Parameters:
    
    executorMemory - memory of currently considered executor instance
    
    executorCores - CPU of cores of currently considered executor instance
    
    Returns:
    
    - [min, max]