ViewVC Help
View File | Revision Log | Show Annotations | Download File | Root Listing
root/jsr166/jsr166/src/test/loops/NoopNoLockLoops.java
(Generate patch)

Comparing jsr166/src/test/loops/NoopNoLockLoops.java (file contents):
Revision 1.2 by dl, Mon Feb 19 00:46:06 2007 UTC vs.
Revision 1.5 by jsr166, Tue Mar 15 19:47:05 2011 UTC

# Line 1 | Line 1
1   /*
2   * Written by Doug Lea with assistance from members of JCP JSR-166
3   * Expert Group and released to the public domain, as explained at
4 < * http://creativecommons.org/licenses/publicdomain
4 > * http://creativecommons.org/publicdomain/zero/1.0/
5   */
6  
7   import java.util.concurrent.*;
# Line 17 | Line 17 | public final class NoopNoLockLoops {
17  
18      public static void main(String[] args) throws Exception {
19          int maxThreads = 100;
20 <        if (args.length > 0)
20 >        if (args.length > 0)
21              maxThreads = Integer.parseInt(args[0]);
22  
23          new ReentrantLockLoop(1).test();
# Line 32 | Line 32 | public final class NoopNoLockLoops {
32              if (i == k) {
33                  k = i << 1;
34                  i = i + (i >>> 1);
35 <            }
36 <            else
35 >            }
36 >            else
37                  i = k;
38          }
39          pool.shutdown();
# Line 52 | Line 52 | public final class NoopNoLockLoops {
52          }
53  
54          final void test() throws Exception {
55 <            for (int i = 0; i < nthreads; ++i)
55 >            for (int i = 0; i < nthreads; ++i)
56                  pool.execute(this);
57              barrier.await();
58              barrier.await();
59              if (print) {
60                  long time = timer.getTime();
61 <                long tpi = time / ((long)iters * nthreads);
61 >                long tpi = time / ((long) iters * nthreads);
62                  System.out.print("\t" + LoopHelpers.rightJustify(tpi) + " ns per lock");
63 <                double secs = (double)(time) / 1000000000.0;
63 >                double secs = (double) time / 1000000000.0;
64                  System.out.println("\t " + secs + "s run time");
65              }
66  
# Line 71 | Line 71 | public final class NoopNoLockLoops {
71  
72          public final void run() {
73              try {
74 <                barrier.await();
74 >                barrier.await();
75                  int sum = v + 1;
76                  int x = sum + 1;
77                  int n = iters;
# Line 85 | Line 85 | public final class NoopNoLockLoops {
85                  barrier.await();
86                  result += sum;
87              }
88 <            catch (Exception ie) {
89 <                return;
88 >            catch (Exception ie) {
89 >                return;
90              }
91          }
92      }
93  
94   }
95 –

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines