ADTast-experimental
Last change
on this file since 9feb34b was
f79ee0d,
checked in by Peter A. Buhr <pabuhr@…>, 3 years ago
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update exception benchmarks
|
-
Property mode set to
100644
|
File size:
1005 bytes
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Rev | Line | |
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[ea593a3] | 1 | // Throw Across Finally |
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| 2 | |
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| 3 | class EmptyException extends Exception {} |
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| 4 | |
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| 5 | public class ThrowFinally { |
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| 6 | private static void unwind_finally(int frames) |
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| 7 | throws EmptyException { |
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| 8 | if (0 < frames) { |
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[e4da70b] | 9 | try { |
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| 10 | unwind_finally(frames - 1); |
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| 11 | } finally { |
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| 12 | // ... |
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| 13 | } |
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[ea593a3] | 14 | } else { |
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| 15 | throw new EmptyException(); |
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| 16 | } |
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| 17 | } |
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| 18 | |
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[11d4fa5] | 19 | private static long loop(int times, int total_frames) { |
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| 20 | long startTime = System.nanoTime(); |
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| 21 | for (int count = 0 ; count < times ; ++count) { |
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| 22 | try { |
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| 23 | unwind_finally(total_frames); |
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| 24 | } catch (EmptyException e) { |
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| 25 | // ... |
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| 26 | } |
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| 27 | } |
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| 28 | long endTime = System.nanoTime(); |
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| 29 | return endTime - startTime; |
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| 30 | } |
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| 31 | |
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[ea593a3] | 32 | public static void main(String[] args) { |
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| 33 | int times = 1; |
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| 34 | int total_frames = 1; |
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| 35 | if (0 < args.length) { |
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| 36 | times = Integer.parseInt(args[0]); |
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| 37 | } |
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| 38 | if (1 < args.length) { |
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| 39 | total_frames = Integer.parseInt(args[1]); |
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| 40 | } |
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| 41 | |
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[11d4fa5] | 42 | // Warm-Up: |
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| 43 | loop(1000, total_frames); |
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| 44 | |
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| 45 | long time = loop(times, total_frames); |
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[f79ee0d] | 46 | System.out.format("Run-Time (s): %.1f%n", time / 1_000_000_000.); |
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[ea593a3] | 47 | } |
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| 48 | } |
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