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package org.qwwdfsad.benchmarks; | |
import com.google.gson.Gson; | |
import org.openjdk.jmh.annotations.*; | |
import java.util.concurrent.TimeUnit; | |
@BenchmarkMode(Mode.Throughput) | |
@OutputTimeUnit(TimeUnit.MILLISECONDS) | |
@Threads(8) |
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32 stripes, 8u72, 32-cores Xeon with disabled hyper-threading | |
taskset -c 0-3 java -jar microbenchmarks.jar CountersBenchmark -bm avgt -tg 1,3 | |
Benchmark (counterType) Mode Cnt Score Error Units | |
CountersBenchmark.rw AtomicLong avgt 20 108.288 ± 9.195 ns/op | |
CountersBenchmark.rw:get AtomicLong avgt 20 27.755 ± 4.454 ns/op | |
CountersBenchmark.rw:inc AtomicLong avgt 20 135.132 ± 10.859 ns/op | |
CountersBenchmark.rw LongAdder avgt 20 48.061 ± 1.584 ns/op | |
CountersBenchmark.rw:get LongAdder avgt 20 75.350 ± 3.876 ns/op |
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Code: | |
[Entry Point] | |
[Constants] | |
# {method} {0x0000000125c23120} 'inc' '()V' in 'org/jctools/counters/FixedSizeStripedLongCounterV8' | |
# [sp+0x30] (sp of caller) | |
0x000000010c7de2a0: mov 0x8(%rsi),%r10d | |
0x000000010c7de2a4: shl $0x3,%r10 | |
0x000000010c7de2a8: cmp %r10,%rax | |
0x000000010c7de2ab: jne 0x000000010c6e6e20 ; {runtime_call} | |
0x000000010c7de2b1: data32 xchg %ax,%ax |
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package ru.qwwdfsad.benchmarks; | |
import org.apache.lucene.util.OpenBitSet; | |
import org.openjdk.jmh.annotations.*; | |
import java.util.BitSet; | |
import java.util.concurrent.ThreadLocalRandom; | |
import java.util.concurrent.TimeUnit; | |
@BenchmarkMode(Mode.Throughput) |
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package ru.qwwdfsad.benchmarks; | |
import org.apache.lucene.util.OpenBitSet; | |
import org.openjdk.jmh.annotations.*; | |
import java.util.BitSet; | |
import java.util.concurrent.ThreadLocalRandom; | |
import java.util.concurrent.TimeUnit; | |
@BenchmarkMode(Mode.Throughput) |
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diff --git a/src/share/vm/gc/g1/g1EvacFailure.cpp b/src/share/vm/gc/g1/g1EvacFailure.cpp | |
--- a/src/share/vm/gc/g1/g1EvacFailure.cpp | |
+++ b/src/share/vm/gc/g1/g1EvacFailure.cpp | |
@@ -216,14 +216,14 @@ | |
} | |
bool doHeapRegion(HeapRegion *hr) { | |
- bool during_initial_mark = _g1h->collector_state()->during_initial_mark_pause(); | |
- bool during_conc_mark = _g1h->collector_state()->mark_in_progress(); | |
- |
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# Run complete. Total time: 00:04:12 | |
Benchmark (power) Mode Cnt Score Error Units | |
PowBenchmark2.cross 2 avgt 5 3.318 ± 0.257 ns/op | |
PowBenchmark2.cross 3 avgt 5 3.929 ± 0.362 ns/op | |
PowBenchmark2.cross 4 avgt 5 5.105 ± 0.329 ns/op | |
PowBenchmark2.cross 5 avgt 5 6.392 ± 0.888 ns/op | |
PowBenchmark2.cross 6 avgt 5 6.109 ± 0.910 ns/op | |
PowBenchmark2.cross 7 avgt 5 6.497 ± 0.800 ns/op | |
PowBenchmark2.cross 8 avgt 5 6.791 ± 0.862 ns/op |
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package org.qwwdfsad.benchmarks | |
import org.openjdk.jmh.annotations.* | |
import java.util.concurrent.TimeUnit | |
/** | |
* @author Tolstopyatov Vsevolod | |
* @since 29/09/16 | |
*/ | |
@Fork(value = 2) //jvmArgsAppend = arrayOf("-XX:TieredStopAtLevel=1")) |
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package org.qwwdfsad.benchmarks; | |
import org.openjdk.jmh.annotations.*; | |
import java.util.concurrent.TimeUnit; | |
import java.util.stream.IntStream; | |
/** | |
* @author Tolstopyatov Vsevolod | |
* @since 01/10/16 |
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import java.util.Arrays; | |
import java.util.List; | |
import java.util.concurrent.ThreadLocalRandom; | |
import java.util.concurrent.TimeUnit; | |
import java.util.function.Supplier; | |
public class Main { | |
volatile Object consumer; |
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