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From: cvs at opencores.org<cvs@o...>
Date: Thu Aug 16 17:26:43 CEST 2007
Subject: [cvs-checkins] MODIFIED: jop ...
Date: 00/07/08 16:17:26

Added: jop/java/target/src/test/gcinc myObject.java SimpGC1.java
SimpGC2.java SimpGC4.java SimpGC5.java SimpGC6.java
SimpleTree.java
Log:
no message


Revision Changes Path
1.1 jop/java/target/src/test/gcinc/myObject.java

http://www.opencores.org/cvsweb.shtml/jop/java/target/src/test/gcinc/myObject.java?rev=1.1&content-type=text/x-cvsweb-markup

Index: myObject.java
===================================================================
package gcinc;
public class myObject
{
public int my_int1,my_int2;


public myObject()
{
my_int1=0;
my_int2=0;
}
}



1.1 jop/java/target/src/test/gcinc/SimpGC1.java

http://www.opencores.org/cvsweb.shtml/jop/java/target/src/test/gcinc/SimpGC1.java?rev=1.1&content-type=text/x-cvsweb-markup

Index: SimpGC1.java
===================================================================
package gcinc;
public class SimpGC1 {


public void createObjects() {
int i=1;
while(true) {
new myObject();
System.out.print(i);
System.out.print(" ");
i++;
for(int j=0;j<20000;j++)
{
}
}
}

public static void main(String[] args) {
SimpGC1 sgc= new SimpGC1();
sgc.createObjects();
}

}



1.1 jop/java/target/src/test/gcinc/SimpGC2.java

http://www.opencores.org/cvsweb.shtml/jop/java/target/src/test/gcinc/SimpGC2.java?rev=1.1&content-type=text/x-cvsweb-markup

Index: SimpGC2.java
===================================================================
package gcinc;
public class SimpGC2 {


public void createObjects() {
int i;
for(i=1;i<3*9730;i++) //make GC trigger 3 times (3*9730)
{
allocateObject();
}
System.out.println(i);

}

public void allocateObject() {
myObject mo;
mo=new myObject();
}

public static void main(String[] args) {
SimpGC2 sgc= new SimpGC2();
sgc.createObjects();
for(;;){}
}

}



1.1 jop/java/target/src/test/gcinc/SimpGC4.java

http://www.opencores.org/cvsweb.shtml/jop/java/target/src/test/gcinc/SimpGC4.java?rev=1.1&content-type=text/x-cvsweb-markup

Index: SimpGC4.java =================================================================== package gcinc; import com.jopdesign.sys.GC; public class SimpGC4 implements Runnable { public myList list; public boolean test; private typeA myReference; int length,nr; public SimpGC4(int i) { length = i; } public void run() { if(test) { if (!myReference.testYourself(length)){ throw new Error("Object is in wrong state");} synchronized(monitor) {shared=myReference;} myReference=null; test=false; } //System.out.println("running"); if (SimpGC4.shared!=null){ synchronized(monitor){ myReference=SimpGC4.shared; SimpGC4.shared=null; } test=true; } } static typeA shared; static SimpGC4 a,b,c; static Object monitor; /** * @param args */ public static void main(String[] args) { a = new SimpGC4(22); b = new SimpGC4(22); c = new SimpGC4(22); monitor=new Object(); SimpGC4.shared=new typeA(22); for (;;) { a.run(); GC.gc(); b.run(); GC.gc(); c.run(); GC.gc(); } } } 1.1 jop/java/target/src/test/gcinc/SimpGC5.java http://www.opencores.org/cvsweb.shtml/jop/java/target/src/test/gcinc/SimpGC5.java?rev=1.1&content-type=text/x-cvsweb-markup Index: SimpGC5.java =================================================================== package gcinc; import com.jopdesign.sys.GC; public class SimpGC5 { public static void main(String[] args) { //Warning: required space grows with sum(2expn), n=0,1,2 ... SimpleTree st= new SimpleTree(8); GC.gc(); if(!st.verify()){ throw new Error("Something wrong"); } //Make this a couple of times st=st.getLeftSubtree(); st=st.getRightSubtree(); st=st.getLeftSubtree(); GC.gc(); if(!st.verify()){ throw new Error("Something wrong"); } st=st.getRightSubtree(); GC.gc(); if(!st.verify()){ throw new Error("Something wrong"); } st=st.getLeftSubtree(); GC.gc(); if(!st.verify()){ throw new Error("Something wrong"); } for(;;){ System.out.println("Everything is fine"); } } } 1.1 jop/java/target/src/test/gcinc/SimpGC6.java http://www.opencores.org/cvsweb.shtml/jop/java/target/src/test/gcinc/SimpGC6.java?rev=1.1&content-type=text/x-cvsweb-markup Index: SimpGC6.java =================================================================== package gcinc; import com.jopdesign.sys.GC; public class SimpGC6 { private SimpGC6 reference; public void setReference(SimpGC6 simp){ reference=simp; } public void createChainedObjects(){ SimpGC6 ref1,ref2; ref1=new SimpGC6(); ref2=new SimpGC6(); ref1.setReference(ref2); ref2.setReference(ref1); } public static void main(String[] args) { SimpGC6 sgc=new SimpGC6(); //Start our experiment with a clean heap System.out.println("call GC1"); GC.gc(); //Measure how many objects fit into memory-make GC trigger for(int i=0; i<9730; i++){ new myObject(); System.out.print("nc:"); System.out.print(i); System.out.print(" "); } //Clean objects remaining from last for System.out.println("call GC2"); GC.gc(); //Create chained objects for(int i=0; i<5000; i++){ sgc.createChainedObjects(); } //Clean them System.out.println("call GC3"); GC.gc(); //If the objects were cleaned GC should trigger at the same point as //in the first loop for(int i=0; i<9730; i++){ new myObject(); System.out.print("sc:"); System.out.print(i); } for (;;) { //System.out.println("I'm running"); } } } 1.1 jop/java/target/src/test/gcinc/SimpleTree.java http://www.opencores.org/cvsweb.shtml/jop/java/target/src/test/gcinc/SimpleTree.java?rev=1.1&content-type=text/x-cvsweb-markup Index: SimpleTree.java =================================================================== package gcinc; public class SimpleTree { class node{ node left,right; boolean initialized; int myLevel; public void grow(int i){ if (i>0 && initialized==false){ left=new node(); right=new node(); left.grow(i-1); right.grow(i-1); initialized=true; myLevel=i; } return; } public boolean verify(int depth){ boolean Ok; Ok= myLevel==depth; if (depth>0){ Ok=Ok && left.verify(depth-1); Ok=Ok && right.verify(depth-1); } return Ok; } } private node root; private int depth; public void setRootNode(node n){ root=n; } public SimpleTree(int depth){ root= new node(); root.grow(depth); this.depth=depth; } public SimpleTree(){ } public boolean verify(){ return root.verify(depth); } public SimpleTree getLeftSubtree(){ SimpleTree st; st=new SimpleTree(); st.setRootNode(root.left); st.depth=depth -1; return st; } public SimpleTree getRightSubtree(){ SimpleTree st; st=new SimpleTree(); st.setRootNode(root.right); st.depth=depth -1; return st; } }