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GH-3404: fix CI TestByteBitPacking512VectorLE.unpackValuesUsingVector randomly oom #3954

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GH-3404: fix CI TestByteBitPacking512VectorLE.unpackValuesUsingVector randomly oom #3954

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62 changes: 32 additions & 30 deletions .../test/java/org/apache/parquet/column/values/bitpacking/TestByteBitPacking512VectorLE.java
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Original file line number Diff line number Diff line change
Expand Up @@ -22,8 +22,9 @@

import java.math.BigDecimal;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
import java.util.Arrays;
import java.util.stream.IntStream;
import java.util.stream.Stream;
import org.junit.Assume;
import org.junit.Test;
import org.slf4j.Logger;
Expand All @@ -41,30 +42,31 @@ public void unpackValuesUsingVector() {
}

private void unpackValuesUsingVectorBitWidth(int bitWidth) {
List<int[]> intInputs = getRangeData(bitWidth);

for (int[] intInput : intInputs) {
int pack8Count = intInput.length / 8;
int byteOutputSize = pack8Count * bitWidth;
byte[] byteOutput = new byte[byteOutputSize];
int[] output1 = new int[intInput.length];
int[] output2 = new int[intInput.length];
int[] output3 = new int[intInput.length];

BytePacker bytePacker = Packer.LITTLE_ENDIAN.newBytePacker(bitWidth);
for (int i = 0; i < pack8Count; i++) {
bytePacker.pack8Values(intInput, 8 * i, byteOutput, bitWidth * i);
}
try (Stream<int[]> intInputs = getRangeData(bitWidth)) {
intInputs.forEach(intInput -> {
int pack8Count = intInput.length / 8;
int byteOutputSize = pack8Count * bitWidth;
byte[] byteOutput = new byte[byteOutputSize];
int[] output = new int[intInput.length];

BytePacker bytePacker = Packer.LITTLE_ENDIAN.newBytePacker(bitWidth);
for (int i = 0; i < pack8Count; i++) {
bytePacker.pack8Values(intInput, 8 * i, byteOutput, bitWidth * i);
}

unpack8Values(bitWidth, byteOutput, output1);
unpackValuesUsingVectorArray(bitWidth, byteOutput, output2);
unpack8Values(bitWidth, byteOutput, output);
assertArrayEquals(intInput, output);
Arrays.fill(output, 0);

ByteBuffer byteBuffer = ByteBuffer.wrap(byteOutput);
unpackValuesUsingVectorByteBuffer(bitWidth, byteBuffer, output3);
unpackValuesUsingVectorArray(bitWidth, byteOutput, output);
assertArrayEquals(intInput, output);
Arrays.fill(output, 0);

assertArrayEquals(intInput, output1);
assertArrayEquals(intInput, output2);
assertArrayEquals(intInput, output3);
ByteBuffer byteBuffer = ByteBuffer.wrap(byteOutput);
unpackValuesUsingVectorByteBuffer(bitWidth, byteBuffer, output);
assertArrayEquals(intInput, output);
Arrays.fill(output, 0);
});
}
}

Expand Down Expand Up @@ -119,8 +121,7 @@ public void unpackValuesUsingVectorByteBuffer(int bitWidth, ByteBuffer input, in
}
}

private List<int[]> getRangeData(int bitWidth) {
List<int[]> result = new ArrayList<>();
private Stream<int[]> getRangeData(int bitWidth) {
int itemMax = 268435456;

long maxValue = getMaxValue(bitWidth);
Expand All @@ -131,9 +132,11 @@ private List<int[]> getRangeData(int bitWidth) {
++itemCount;
}

for (int i = 0; i < itemCount; i++) {
final int finalItemCount = itemCount;

return IntStream.range(0, finalItemCount).mapToObj(i -> {
int len;
if ((i == itemCount - 1) && mode != 0) {
if ((i == finalItemCount - 1) && mode != 0) {
len = mode;
} else {
len = itemMax;
Expand Down Expand Up @@ -162,9 +165,8 @@ private List<int[]> getRangeData(int bitWidth) {
array[j] = value;
j++;
}
result.add(array);
}
return result;
return array;
});
}

private long getMaxValue(int bitWidth) {
Expand Down
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