mikemccand commented on PR #15997:
URL: https://github.com/apache/lucene/pull/15997#issuecomment-4354625286
OK nevermind if I lower the stack size, the profiling looks more reasonable
-- I think it's working! -- I'm kinda happy that `Random#next` is up there
(number 2) -- go randomized testing!
```
> Task :showJfrProfileSummary
Aggregated summary of 12 jfr profiles.
PROFILE SUMMARY from 158249 events (total: 158249)
tests.profile.mode=cpu
tests.profile.count=100
tests.profile.stacksize=2
tests.profile.linenumbers=true
PERCENT CPU SAMPLES STACK
0.56% 882 java.lang.AbstractStringBuilder#append():653
[JIT compiled code]
at java.lang.StringBuilder#append():179
[Inlined code]
0.54% 855
java.util.concurrent.atomic.AtomicLong#compareAndSet():138 [Inlined code]
at java.util.Random#next():438 [JIT compiled
code]
0.51% 810
org.apache.lucene.tests.store.MockIndexOutputWrapper#writeBytes():149 [JIT
compiled code]
at
org.apache.lucene.tests.store.MockIndexOutputWrapper#writeByte():131 [JIT
compiled code]
0.49% 780
org.apache.lucene.tests.store.MockDirectoryWrapper#maybeThrowDeterministicException():1074
[JIT compiled code]
at
org.apache.lucene.tests.store.MockIndexOutputWrapper#writeBytes():149 [JIT
compiled code]
0.49% 774 org.apache.lucene.util.FixedBitSet#<init>():148
[Inlined code]
at
org.apache.lucene.codecs.lucene104.Lucene104PostingsReader$BlockPostingsEnum#<init>():306
[JIT compiled code]
0.47% 746
jdk.internal.misc.Unsafe#allocateUninitializedArray0():1403 [JIT compiled code]
at
jdk.internal.misc.Unsafe#allocateUninitializedArray():1396 [JIT compiled code]
0.47% 737
java.util.stream.MatchOps$2MatchSink#accept():119 [JIT compiled code]
at
java.util.stream.Streams$RangeIntSpliterator#tryAdvance():82 [JIT compiled code]
0.46% 723 java.util.Arrays#copyOf():3537 [Inlined code]
at
java.lang.AbstractStringBuilder#ensureCapacityNewCoder():282 [JIT compiled code]
0.42% 659
org.apache.lucene.codecs.lucene104.Lucene104PostingsReader$BlockPostingsEnum#<init>():334
[JIT compiled code]
at
org.apache.lucene.codecs.lucene104.Lucene104PostingsReader#postings():259 [JIT
compiled code]
0.41% 644
java.util.concurrent.locks.AbstractQueuedSynchronizer#setState():555 [Inlined
code]
at
java.util.concurrent.locks.ReentrantLock$Sync#tryRelease():180 [JIT compiled
code]
0.38% 602
org.apache.lucene.geo.TestTessellator#isEdgeFromPolygon():1060 [JIT compiled
code]
at
org.apache.lucene.geo.TestTessellator#checkTriangleEdgesFromPolygon():1056 [JIT
compiled code]
0.37% 583
com.carrotsearch.randomizedtesting.RandomizedContext#context():239 [JIT
compiled code]
at
com.carrotsearch.randomizedtesting.RandomizedContext#current():134 [Inlined
code]
0.36% 572
org.apache.lucene.geo.TestTessellator#isEdgeFromPolygon():1061 [JIT compiled
code]
at
org.apache.lucene.geo.TestTessellator#checkTriangleEdgesFromPolygon():1056 [JIT
compiled code]
0.35% 554 java.nio.HeapByteBuffer#get():180 [JIT compiled
code]
at
org.apache.lucene.store.ByteBuffersDataInput#readByte():97 [JIT compiled code]
0.34% 542 java.nio.ByteBuffer#limit():1575 [JIT compiled
code]
at java.nio.ByteBuffer#limit():292 [JIT
compiled code]
0.32% 509 java.util.zip.Inflater#inflateBytesBytes()
[Native code]
at java.util.zip.Inflater#inflate():354 [JIT
compiled code]
0.30% 475 java.nio.ByteBuffer#position():1561 [Inlined
code]
at java.nio.HeapByteBuffer#get():196 [JIT
compiled code]
0.29% 465
org.apache.lucene.geo.TestTessellator#isEdgeFromPolygon():1060 [JIT compiled
code]
at
org.apache.lucene.geo.TestTessellator#checkTriangleEdgesFromPolygon():1053 [JIT
compiled code]
0.29% 464
org.apache.lucene.index.IndexingChain$IntBlockAllocator#getIntBlock():1487
[Inlined code]
at
org.apache.lucene.util.IntBlockPool#nextBuffer():153 [JIT compiled code]
0.29% 463 java.lang.Thread#yield0() [Native code]
at java.lang.Thread#yield():462 [Inlined code]
0.29% 461
org.apache.lucene.geo.TestTessellator#isEdgeFromPolygon():1061 [JIT compiled
code]
at
org.apache.lucene.geo.TestTessellator#checkTriangleEdgesFromPolygon():1050 [JIT
compiled code]
0.29% 457
java.util.stream.IntPipeline#forEachWithCancel():163 [JIT compiled code]
at
java.util.stream.AbstractPipeline#copyIntoWithCancel():588 [JIT compiled code]
0.29% 455
org.apache.lucene.util.ByteBlockPool$DirectTrackingAllocator#getByteBlock():97
[JIT compiled code]
at
org.apache.lucene.util.ByteBlockPool#nextBuffer():196 [JIT compiled code]
0.28% 443
org.apache.lucene.geo.TestTessellator#isEdgeFromPolygon():1060 [JIT compiled
code]
at
org.apache.lucene.geo.TestTessellator#checkTriangleEdgesFromPolygon():1050 [JIT
compiled code]
0.28% 441
org.apache.lucene.geo.TestTessellator#isEdgeFromPolygon():1061 [JIT compiled
code]
at
org.apache.lucene.geo.TestTessellator#checkTriangleEdgesFromPolygon():1053 [JIT
compiled code]
0.27% 425
com.carrotsearch.randomizedtesting.RandomizedContext#current():134 [Inlined
code]
at
org.apache.lucene.tests.util.LuceneTestCase#lambda$static$0():736 [Inlined code]
0.27% 422 sun.nio.fs.UnixNativeDispatcher#open0() [Native
code]
at sun.nio.fs.UnixNativeDispatcher#open():69
[JIT compiled code]
```
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