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* http://creativecommons.org/publicdomain/zero/1.0/ |
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*/ |
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+ |
import java.util.*; |
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import java.util.concurrent.*; |
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– |
import java.util.concurrent.locks.*; |
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import java.util.concurrent.atomic.*; |
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< |
import java.util.*; |
10 |
> |
import java.util.concurrent.locks.*; |
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public final class SimpleSpinLockLoops { |
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static final ExecutorService pool = Executors.newCachedThreadPool(); |
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int x = 0; |
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int n = iters; |
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while (n-- > 0) { |
80 |
< |
while (!lock.compareAndSet(0, 1)) ; |
80 |
> |
do {} while (!lock.compareAndSet(0, 1)); |
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int k = (sum & 3); |
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if (k > 0) { |
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x = v; |