Missing Sync or Volatile with Aparapi

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Try to write a code like this:
    private void setReturnValue(int gid,float value){
        if(epsilon!=0){
            float diff=Math.abs(rawData[gid]-value);
            if(diff>maxDeltaValue[0]){
                maxDeltaValue[0]=diff;
            }
        }
        returnData[gid]=value;
    }
2.Execute the kernel with GPU Mode and JTP.
3.GPU Mode give total different and random MaxDeltaValues instead of JTP.

What is the expected output? What do you see instead?
Same Output like JTP. I know ist because of the missing synchronize in the diff 
code I think. But I think I have no opportunity to make this possible with 
aparapi? Or a volatile? Whats my Problem and how can i solve it.

What version of the product are you using? On what operating system?
1.0.0 Win7 64

Please provide any additional information below.

Original issue reported on code.google.com by oliver.h...@gmail.com on 5 Feb 2015 at 2:18