Skip to content
Closed
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,7 @@ public void sortInPlace(V vec, VectorValueComparator<V> comparator) {
this.comparator = comparator;
this.pivotBuffer = (V) vec.getField().createVector(vec.getAllocator());
this.pivotBuffer.allocateNew(1);
this.pivotBuffer.setValueCount(1);

comparator.attachVectors(vec, pivotBuffer);
quickSort();
Expand Down
Original file line number Diff line number Diff line change
@@ -0,0 +1,123 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

package org.apache.arrow.vector.util;

import java.nio.charset.StandardCharsets;
import java.util.concurrent.TimeUnit;

import org.apache.arrow.memory.BufferAllocator;
import org.apache.arrow.memory.RootAllocator;
import org.apache.arrow.vector.IntVector;
import org.apache.arrow.vector.VarCharVector;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.TearDown;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.RunnerException;
import org.openjdk.jmh.runner.options.Options;
import org.openjdk.jmh.runner.options.OptionsBuilder;

/**
* Benchmarks for {@link TransferPair}.
*/
@State(Scope.Benchmark)
public class TransferPairBenchmarks {

private static final int VECTOR_LENGTH = 1024;

private static final int ALLOCATOR_CAPACITY = 1024 * 1024;

private BufferAllocator allocator;

private IntVector intVector;

private VarCharVector varCharVector;

/**
* Setup benchmarks.
*/
@Setup
public void prepare() {
allocator = new RootAllocator(ALLOCATOR_CAPACITY);
intVector = new IntVector("intVector", allocator);
varCharVector = new VarCharVector("varcharVector", allocator);

intVector.allocateNew(VECTOR_LENGTH);
varCharVector.allocateNew(VECTOR_LENGTH);

for (int i = 0; i < VECTOR_LENGTH; i++) {
if (i % 3 == 0) {
intVector.setNull(i);
varCharVector.setNull(i);
} else {
intVector.setSafe(i, i * i);
varCharVector.setSafe(i, ("teststring" + i).getBytes(StandardCharsets.UTF_8));
}
}
intVector.setValueCount(VECTOR_LENGTH);
varCharVector.setValueCount(VECTOR_LENGTH);
}

/**
* Tear down benchmarks.
*/
@TearDown
public void tearDown() {
intVector.close();
varCharVector.close();;
allocator.close();
}

@Benchmark
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.MICROSECONDS)
public int splitAndTransferIntVector() {
IntVector toVector = new IntVector("intVector", allocator);
toVector.setValueCount(VECTOR_LENGTH);
TransferPair transferPair = intVector.makeTransferPair(toVector);
transferPair.splitAndTransfer(0, VECTOR_LENGTH);
toVector.close();
return 0;
}

@Benchmark
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.MICROSECONDS)
public int splitAndTransferVarcharVector() {
VarCharVector toVector = new VarCharVector("varcharVector", allocator);
toVector.setValueCount(VECTOR_LENGTH);
TransferPair transferPair = varCharVector.makeTransferPair(toVector);
transferPair.splitAndTransfer(0, VECTOR_LENGTH);
toVector.close();
return 0;
}

public static void main(String [] args) throws RunnerException {
Options opt = new OptionsBuilder()
.include(TransferPairBenchmarks.class.getSimpleName())
.forks(1)
.build();

new Runner(opt).run();
}
}
5 changes: 4 additions & 1 deletion java/vector/src/main/codegen/templates/UnionVector.java
Original file line number Diff line number Diff line change
Expand Up @@ -469,7 +469,10 @@ public void transfer() {

@Override
public void splitAndTransfer(int startIndex, int length) {
Preconditions.checkArgument(startIndex + length <= valueCount);
Preconditions.checkArgument(startIndex >= 0 && startIndex < valueCount,
"Invalid startIndex: %s", startIndex);
Preconditions.checkArgument(startIndex + length <= valueCount,
"Invalid length: %s", length);
to.clear();
internalStructVectorTransferPair.splitAndTransfer(startIndex, length);
final int startPoint = startIndex * TYPE_WIDTH;
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -584,7 +584,10 @@ public void transferTo(BaseFixedWidthVector target) {
*/
public void splitAndTransferTo(int startIndex, int length,
BaseFixedWidthVector target) {
Preconditions.checkArgument(startIndex + length <= valueCount);
Preconditions.checkArgument(startIndex >= 0 && startIndex < valueCount,
"Invalid startIndex: %s", startIndex);
Preconditions.checkArgument(startIndex + length <= valueCount,
"Invalid length: %s", length);
compareTypes(target, "splitAndTransferTo");
target.clear();
splitAndTransferValidityBuffer(startIndex, length, target);
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -714,6 +714,10 @@ public void transferTo(BaseVariableWidthVector target) {
*/
public void splitAndTransferTo(int startIndex, int length,
BaseVariableWidthVector target) {
Preconditions.checkArgument(startIndex >= 0 && startIndex < valueCount,
"Invalid startIndex: %s", startIndex);
Preconditions.checkArgument(startIndex + length <= valueCount,
"Invalid length: %s", length);
compareTypes(target, "splitAndTransferTo");
target.clear();
splitAndTransferValidityBuffer(startIndex, length, target);
Expand Down Expand Up @@ -750,7 +754,6 @@ private void splitAndTransferOffsetBuffer(int startIndex, int length, BaseVariab
*/
private void splitAndTransferValidityBuffer(int startIndex, int length,
BaseVariableWidthVector target) {
Preconditions.checkArgument(startIndex + length <= valueCount);
int firstByteSource = BitVectorHelper.byteIndex(startIndex);
int lastByteSource = BitVectorHelper.byteIndex(valueCount - 1);
int byteSizeTarget = getValidityBufferSizeFromCount(length);
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -158,6 +158,10 @@ public int getBufferSize() {
* @param target destination vector
*/
public void splitAndTransferTo(int startIndex, int length, BaseFixedWidthVector target) {
Preconditions.checkArgument(startIndex >= 0 && startIndex < valueCount,
"Invalid startIndex: %s", startIndex);
Preconditions.checkArgument(startIndex + length <= valueCount,
"Invalid length: %s", length);
compareTypes(target, "splitAndTransferTo");
target.clear();
target.validityBuffer = splitAndTransferBuffer(startIndex, length, target,
Expand All @@ -174,7 +178,6 @@ private ArrowBuf splitAndTransferBuffer(
BaseFixedWidthVector target,
ArrowBuf sourceBuffer,
ArrowBuf destBuffer) {
assert startIndex + length <= valueCount;
int firstByteSource = BitVectorHelper.byteIndex(startIndex);
int lastByteSource = BitVectorHelper.byteIndex(valueCount - 1);
int byteSizeTarget = getValidityBufferSizeFromCount(length);
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -590,7 +590,10 @@ public void transfer() {

@Override
public void splitAndTransfer(int startIndex, int length) {
Preconditions.checkArgument(startIndex + length <= valueCount);
Preconditions.checkArgument(startIndex >= 0 && startIndex < valueCount,
"Invalid startIndex: %s", startIndex);
Preconditions.checkArgument(startIndex + length <= valueCount,
"Invalid length: %s", length);
final int startPoint = listSize * startIndex;
final int sliceLength = listSize * length;
to.clear();
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -493,7 +493,10 @@ public void transfer() {
*/
@Override
public void splitAndTransfer(int startIndex, int length) {
Preconditions.checkArgument(startIndex + length <= valueCount);
Preconditions.checkArgument(startIndex >= 0 && startIndex < valueCount,
"Invalid startIndex: %s", startIndex);
Preconditions.checkArgument(startIndex + length <= valueCount,
"Invalid length: %s", length);
final int startPoint = offsetBuffer.getInt(startIndex * OFFSET_WIDTH);
final int sliceLength = offsetBuffer.getInt((startIndex + length) * OFFSET_WIDTH) - startPoint;
to.clear();
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -195,7 +195,10 @@ public void copyValueSafe(int fromIndex, int toIndex) {

@Override
public void splitAndTransfer(int startIndex, int length) {
Preconditions.checkArgument(startIndex + length <= valueCount);
Preconditions.checkArgument(startIndex >= 0 && startIndex < valueCount,
"Invalid startIndex: %s", startIndex);
Preconditions.checkArgument(startIndex + length <= valueCount,
"Invalid length: %s", length);
target.clear();
splitAndTransferValidityBuffer(startIndex, length, target);
super.splitAndTransfer(startIndex, length);
Expand Down
Loading