MemoTable (Apache SystemDS 3.4.0-SNAPSHOT API)

java.lang.Object
- org.apache.sysds.hops.MemoTable

```
public class MemoTable
extends Object
```
Memoization Table (hop id, worst-case matrix characteristics).

Constructor Summary

Constructors
Constructor Description

MemoTable()

Constructors
Constructor	Description
`MemoTable()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`extract(ArrayList<Hop> hops, RecompileStatus status)`
`DataCharacteristics[]`	`getAllInputStats(List<Hop> inputs)`
`DataCharacteristics`	`getAllInputStats(Hop input)`
`boolean`	`hasInputStatistics(Hop h)`
`void`	`init(ArrayList<Hop> hops, RecompileStatus status)`
`void`	`init(Hop hop, RecompileStatus status)`
`void`	`memoizeStatistics(long hopID, long dim1, long dim2, long nnz)`
`void`	`memoizeStatistics(long hopID, DataCharacteristics dc)`

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

Constructor Detail
- MemoTable
```
public MemoTable()
```

Method Detail

init

public void init(ArrayList<Hop> hops,
                 RecompileStatus status)

init

public void init(Hop hop,
                 RecompileStatus status)

extract

public void extract(ArrayList<Hop> hops,
                    RecompileStatus status)

memoizeStatistics

public void memoizeStatistics(long hopID,
                              long dim1,
                              long dim2,
                              long nnz)

memoizeStatistics

public void memoizeStatistics(long hopID,
                              DataCharacteristics dc)

getAllInputStats

public DataCharacteristics[] getAllInputStats(List<Hop> inputs)

getAllInputStats

public DataCharacteristics getAllInputStats(Hop input)

hasInputStatistics

public boolean hasInputStatistics(Hop h)

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

MemoTable

Method Detail

init

init

extract

memoizeStatistics

memoizeStatistics

getAllInputStats

getAllInputStats

hasInputStatistics