ShmTest

java.lang.Object
- org.jgroups.tests.ShmTest

```
public class ShmTest
extends java.lang.Object
```
Tests the speed of message sending/receiving via shared memory. Start the server first, then the client. The server and client use a simple (and stupid) alternating bit protocol to rendezvous; this could be enhanced into a ring buffer to increase performance.

Since:

3.4

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  protected static int MAX_BUSY_SPIN
  
  protected static int NUM
  
  protected static int PRINT
  
  protected static int SIZE
- Constructor Summary
  
  Constructors
  Constructor Description
  
  ShmTest()
- Method Summary
  
  All Methods Static Methods Concrete Methods
  Modifier and Type Method Description
  
  static void main(java.lang.String[] args)
  
  protected static void start(boolean server)
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail
- NUM
```
protected static final int NUM
```
  See Also:
  
  Constant Field Values
- SIZE
```
protected static final int SIZE
```
  See Also:
  
  Constant Field Values
- PRINT
```
protected static final int PRINT
```
  See Also:
  
  Constant Field Values
- MAX_BUSY_SPIN
```
protected static final int MAX_BUSY_SPIN
```
  See Also:
  
  Constant Field Values

Constructor Detail
- ShmTest
```
public ShmTest()
```

Method Detail

start

protected static void start(boolean server)
                     throws java.lang.Exception

Throws:: java.lang.Exception

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Throws:: java.lang.Exception