[concurrency-interest] Java ForkJoin demo applications

Dr Heinz M. Kabutz heinz at javaspecialists.eu
Thu Dec 8 16:01:56 EST 2011

Hi Doug,

in your Fib example: 

should "number" not be marked as volatile, as it is accessed from 
multiple threads?


Dr Heinz M. Kabutz (PhD CompSci)
Author of "The Java(tm) Specialists' Newsletter"
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IEEE Certified Software Development Professional
Tel: +30 69 72 850 460
Skype: kabutz 

On 12/8/11 10:41 PM, Doug Lea wrote:
> On 12/08/11 09:29, Mattias De Wael wrote:
>> In the paper of Doug Lea "A Java Fork/Join Framework" a battery of 
>> demo-apps is
>> used to provide data about the performance of the framework.
> Variants of these and others are available in our misc
> performance test directory
> http://gee.cs.oswego.edu/cgi-bin/viewcvs.cgi/jsr166/src/test/loops/
> including: Integrate IntegrateGamma Fib LeftSpineFib DynamicFib
> DynamicLeftSpineFib  DynamicAsyncFib ScalarLongSort BoxedLongSort
> NQueensCS AsyncNQueensCS FJSums MatrixMultiply LU Microscope
> TorusSpanningTree FJJacobi FJPhaserJacobi Heat
> See near the bottom of
> http://gee.cs.oswego.edu/dl/concurrency-interest/index.html
> for  some notes about loops tests.
> -Doug
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