undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
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test/micro/org/openjdk/bench/java/nio/ByteBuffers.java
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test/micro/org/openjdk/bench/java/nio/ByteBuffers.java
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/*
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* Copyright (c) 2020, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
* version 2 for more details (a copy is included in the LICENSE file that
|
||||
* accompanied this code).
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License version
|
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* 2 along with this work; if not, write to the Free Software Foundation,
|
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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||||
*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package org.openjdk.bench.java.nio;
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import org.openjdk.jmh.annotations.Benchmark;
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import org.openjdk.jmh.annotations.BenchmarkMode;
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import org.openjdk.jmh.annotations.Fork;
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import org.openjdk.jmh.annotations.Measurement;
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import org.openjdk.jmh.annotations.Mode;
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import org.openjdk.jmh.annotations.OutputTimeUnit;
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import org.openjdk.jmh.annotations.Param;
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import org.openjdk.jmh.annotations.Scope;
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import org.openjdk.jmh.annotations.Setup;
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import org.openjdk.jmh.annotations.State;
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import org.openjdk.jmh.annotations.Warmup;
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import java.nio.*;
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import java.util.concurrent.TimeUnit;
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import static java.nio.ByteOrder.*;
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/**
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* Benchmark for memory access operations on java.nio.Buffer ( and its views )
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*
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* A large number of variants are covered. The individual benchmarks conform to
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* the following convention:
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* test(Direct|Heap)(Bulk|Loop)(Get|Put)(Byte|Char|Short|Int|Long|Float|Double)(Swap)?(RO)?
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*
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* This allows to easily run a subset of particular interest. For example:
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* Direct only :- "org.openjdk.bench.java.nio.ByteBuffers.testDirect.*"
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* Bulk only :- "org.openjdk.bench.java.nio.ByteBuffers.test.*Bulk.*"
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* Loop Put Swapped Views: -
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* test(Direct|Heap)(Loop)(Put)Byte(View)+(Swap)+"
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*/
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@BenchmarkMode(Mode.AverageTime)
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@Warmup(iterations = 5, time = 500, timeUnit = TimeUnit.MILLISECONDS)
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@Measurement(iterations = 10, time = 500, timeUnit = TimeUnit.MILLISECONDS)
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@OutputTimeUnit(TimeUnit.NANOSECONDS)
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@State(Scope.Thread)
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@Fork(3)
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public class ByteBuffers {
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static final int CARRIER_BYTE_WIDTH = 1;
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@Param({"16", "1024", "131072"})
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private int size;
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public byte byteValue;
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public char charValue;
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public short shortValue;
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public int intValue;
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public long longValue;
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public float floatValue;
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public double doubleValue;
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public byte[] byteArray;
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public ByteBuffer heapByteBuffer;
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public ByteBuffer heapByteBufferRO;
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public ByteBuffer directByteBuffer;
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public ByteBuffer directByteBufferRO;
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public ByteBuffer heapByteBufferSwap;
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public ByteBuffer heapByteBufferSwapRO;
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public ByteBuffer directByteBufferSwap;
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public ByteBuffer directByteBufferSwapRO;
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@Setup
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public void setup() {
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byteArray = new byte[size / CARRIER_BYTE_WIDTH];
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// explicitly allocated heap carrier buffer
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heapByteBuffer = ByteBuffer.allocate(size / CARRIER_BYTE_WIDTH);
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heapByteBufferRO = ByteBuffer.allocate(size / CARRIER_BYTE_WIDTH).asReadOnlyBuffer();
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heapByteBufferSwap = ByteBuffer.allocate(size / CARRIER_BYTE_WIDTH).order(LITTLE_ENDIAN);
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heapByteBufferSwapRO = ByteBuffer.allocate(size / CARRIER_BYTE_WIDTH).order(LITTLE_ENDIAN).asReadOnlyBuffer();
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directByteBuffer = ByteBuffer.allocateDirect(size / CARRIER_BYTE_WIDTH);
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directByteBufferRO = ByteBuffer.allocateDirect(size / CARRIER_BYTE_WIDTH).asReadOnlyBuffer();
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directByteBufferSwap = ByteBuffer.allocateDirect(size / CARRIER_BYTE_WIDTH).order(LITTLE_ENDIAN);
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directByteBufferSwapRO = ByteBuffer.allocateDirect(size / CARRIER_BYTE_WIDTH).order(LITTLE_ENDIAN).asReadOnlyBuffer();
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}
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// -- Heap___
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@Benchmark
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public byte[] testHeapBulkPutByte() {
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heapByteBuffer.put(0, byteArray);
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return byteArray;
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}
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@Benchmark
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public byte[] testHeapBulkGetByte() {
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heapByteBuffer.get(0, byteArray);
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return byteArray;
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}
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// -- Heap_Byte_Swap_RO
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@Benchmark
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public byte testHeapLoopGetByteSwapRO() {
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byte r = 0;
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for (int i = 0; i < heapByteBufferSwapRO.capacity(); i+=1) {
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r += heapByteBufferSwapRO.get(i);
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}
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return r;
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}
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|
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// -- Heap_Byte_Swap_
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@Benchmark
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public void testHeapLoopPutByteSwap() {
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for (int i = 0; i < heapByteBufferSwap.capacity(); i+=1) {
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heapByteBufferSwap.put(i, byteValue);
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}
|
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}
|
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|
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@Benchmark
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public byte testHeapLoopGetByteSwap() {
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byte r = 0;
|
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for (int i = 0; i < heapByteBufferSwap.capacity(); i+=1) {
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r += heapByteBufferSwap.get(i);
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}
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return r;
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}
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// -- Heap_Byte__RO
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@Benchmark
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public byte testHeapLoopGetByteRO() {
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byte r = 0;
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for (int i = 0; i < heapByteBufferRO.capacity(); i+=1) {
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r += heapByteBufferRO.get(i);
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}
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return r;
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}
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// -- Heap_Byte__
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@Benchmark
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public void testHeapLoopPutByte() {
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for (int i = 0; i < heapByteBuffer.capacity(); i+=1) {
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heapByteBuffer.put(i, byteValue);
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}
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}
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@Benchmark
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public byte testHeapLoopGetByte() {
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byte r = 0;
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for (int i = 0; i < heapByteBuffer.capacity(); i+=1) {
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r += heapByteBuffer.get(i);
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}
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return r;
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}
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// -- Direct_Byte_Swap_RO
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@Benchmark
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public byte testDirectLoopGetByteSwapRO() {
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byte r = 0;
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for (int i = 0; i < directByteBufferSwapRO.capacity(); i+=1) {
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r += directByteBufferSwapRO.get(i);
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}
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return r;
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}
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// -- Direct_Byte_Swap_
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@Benchmark
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public void testDirectLoopPutByteSwap() {
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for (int i = 0; i < directByteBufferSwap.capacity(); i+=1) {
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directByteBufferSwap.put(i, byteValue);
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}
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}
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@Benchmark
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public byte testDirectLoopGetByteSwap() {
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byte r = 0;
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for (int i = 0; i < directByteBufferSwap.capacity(); i+=1) {
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r += directByteBufferSwap.get(i);
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}
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return r;
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}
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// -- Direct_Byte__RO
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@Benchmark
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public byte testDirectLoopGetByteRO() {
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byte r = 0;
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for (int i = 0; i < directByteBufferRO.capacity(); i+=1) {
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r += directByteBufferRO.get(i);
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}
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return r;
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}
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// -- Direct_Byte__
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@Benchmark
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public void testDirectLoopPutByte() {
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for (int i = 0; i < directByteBuffer.capacity(); i+=1) {
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directByteBuffer.put(i, byteValue);
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}
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}
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@Benchmark
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public byte testDirectLoopGetByte() {
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byte r = 0;
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for (int i = 0; i < directByteBuffer.capacity(); i+=1) {
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r += directByteBuffer.get(i);
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}
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return r;
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}
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// -- Heap_Char_Swap_RO
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@Benchmark
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public char testHeapLoopGetCharSwapRO() {
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char r = 0;
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for (int i = 0; i < heapByteBufferSwapRO.capacity(); i+=2) {
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r += heapByteBufferSwapRO.getChar(i);
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}
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return r;
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}
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// -- Heap_Char_Swap_
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@Benchmark
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public void testHeapLoopPutCharSwap() {
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for (int i = 0; i < heapByteBufferSwap.capacity(); i+=2) {
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heapByteBufferSwap.putChar(i, charValue);
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}
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}
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@Benchmark
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public char testHeapLoopGetCharSwap() {
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char r = 0;
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for (int i = 0; i < heapByteBufferSwap.capacity(); i+=2) {
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r += heapByteBufferSwap.getChar(i);
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}
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return r;
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}
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// -- Heap_Char__RO
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@Benchmark
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public char testHeapLoopGetCharRO() {
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char r = 0;
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for (int i = 0; i < heapByteBufferRO.capacity(); i+=2) {
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r += heapByteBufferRO.getChar(i);
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}
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return r;
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}
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// -- Heap_Char__
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@Benchmark
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public void testHeapLoopPutChar() {
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for (int i = 0; i < heapByteBuffer.capacity(); i+=2) {
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heapByteBuffer.putChar(i, charValue);
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}
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}
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|
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@Benchmark
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public char testHeapLoopGetChar() {
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char r = 0;
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for (int i = 0; i < heapByteBuffer.capacity(); i+=2) {
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r += heapByteBuffer.getChar(i);
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}
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return r;
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}
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// -- Direct_Char_Swap_RO
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@Benchmark
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public char testDirectLoopGetCharSwapRO() {
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char r = 0;
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for (int i = 0; i < directByteBufferSwapRO.capacity(); i+=2) {
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r += directByteBufferSwapRO.getChar(i);
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}
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return r;
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}
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// -- Direct_Char_Swap_
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@Benchmark
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public void testDirectLoopPutCharSwap() {
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for (int i = 0; i < directByteBufferSwap.capacity(); i+=2) {
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directByteBufferSwap.putChar(i, charValue);
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}
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}
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@Benchmark
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public char testDirectLoopGetCharSwap() {
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char r = 0;
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for (int i = 0; i < directByteBufferSwap.capacity(); i+=2) {
|
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r += directByteBufferSwap.getChar(i);
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}
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return r;
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}
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// -- Direct_Char__RO
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@Benchmark
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public char testDirectLoopGetCharRO() {
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char r = 0;
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for (int i = 0; i < directByteBufferRO.capacity(); i+=2) {
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r += directByteBufferRO.getChar(i);
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}
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return r;
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}
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|
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// -- Direct_Char__
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|
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@Benchmark
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public void testDirectLoopPutChar() {
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for (int i = 0; i < directByteBuffer.capacity(); i+=2) {
|
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directByteBuffer.putChar(i, charValue);
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}
|
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}
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@Benchmark
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public char testDirectLoopGetChar() {
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char r = 0;
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for (int i = 0; i < directByteBuffer.capacity(); i+=2) {
|
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r += directByteBuffer.getChar(i);
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}
|
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return r;
|
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}
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|
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// -- Heap_Short_Swap_RO
|
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|
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@Benchmark
|
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public short testHeapLoopGetShortSwapRO() {
|
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short r = 0;
|
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for (int i = 0; i < heapByteBufferSwapRO.capacity(); i+=2) {
|
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r += heapByteBufferSwapRO.getShort(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Heap_Short_Swap_
|
||||
|
||||
@Benchmark
|
||||
public void testHeapLoopPutShortSwap() {
|
||||
for (int i = 0; i < heapByteBufferSwap.capacity(); i+=2) {
|
||||
heapByteBufferSwap.putShort(i, shortValue);
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public short testHeapLoopGetShortSwap() {
|
||||
short r = 0;
|
||||
for (int i = 0; i < heapByteBufferSwap.capacity(); i+=2) {
|
||||
r += heapByteBufferSwap.getShort(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Heap_Short__RO
|
||||
|
||||
@Benchmark
|
||||
public short testHeapLoopGetShortRO() {
|
||||
short r = 0;
|
||||
for (int i = 0; i < heapByteBufferRO.capacity(); i+=2) {
|
||||
r += heapByteBufferRO.getShort(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Heap_Short__
|
||||
|
||||
@Benchmark
|
||||
public void testHeapLoopPutShort() {
|
||||
for (int i = 0; i < heapByteBuffer.capacity(); i+=2) {
|
||||
heapByteBuffer.putShort(i, shortValue);
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public short testHeapLoopGetShort() {
|
||||
short r = 0;
|
||||
for (int i = 0; i < heapByteBuffer.capacity(); i+=2) {
|
||||
r += heapByteBuffer.getShort(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Direct_Short_Swap_RO
|
||||
|
||||
@Benchmark
|
||||
public short testDirectLoopGetShortSwapRO() {
|
||||
short r = 0;
|
||||
for (int i = 0; i < directByteBufferSwapRO.capacity(); i+=2) {
|
||||
r += directByteBufferSwapRO.getShort(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Direct_Short_Swap_
|
||||
|
||||
@Benchmark
|
||||
public void testDirectLoopPutShortSwap() {
|
||||
for (int i = 0; i < directByteBufferSwap.capacity(); i+=2) {
|
||||
directByteBufferSwap.putShort(i, shortValue);
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public short testDirectLoopGetShortSwap() {
|
||||
short r = 0;
|
||||
for (int i = 0; i < directByteBufferSwap.capacity(); i+=2) {
|
||||
r += directByteBufferSwap.getShort(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Direct_Short__RO
|
||||
|
||||
@Benchmark
|
||||
public short testDirectLoopGetShortRO() {
|
||||
short r = 0;
|
||||
for (int i = 0; i < directByteBufferRO.capacity(); i+=2) {
|
||||
r += directByteBufferRO.getShort(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Direct_Short__
|
||||
|
||||
@Benchmark
|
||||
public void testDirectLoopPutShort() {
|
||||
for (int i = 0; i < directByteBuffer.capacity(); i+=2) {
|
||||
directByteBuffer.putShort(i, shortValue);
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public short testDirectLoopGetShort() {
|
||||
short r = 0;
|
||||
for (int i = 0; i < directByteBuffer.capacity(); i+=2) {
|
||||
r += directByteBuffer.getShort(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Heap_Int_Swap_RO
|
||||
|
||||
@Benchmark
|
||||
public int testHeapLoopGetIntSwapRO() {
|
||||
int r = 0;
|
||||
for (int i = 0; i < heapByteBufferSwapRO.capacity(); i+=4) {
|
||||
r += heapByteBufferSwapRO.getInt(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Heap_Int_Swap_
|
||||
|
||||
@Benchmark
|
||||
public void testHeapLoopPutIntSwap() {
|
||||
for (int i = 0; i < heapByteBufferSwap.capacity(); i+=4) {
|
||||
heapByteBufferSwap.putInt(i, intValue);
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public int testHeapLoopGetIntSwap() {
|
||||
int r = 0;
|
||||
for (int i = 0; i < heapByteBufferSwap.capacity(); i+=4) {
|
||||
r += heapByteBufferSwap.getInt(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Heap_Int__RO
|
||||
|
||||
@Benchmark
|
||||
public int testHeapLoopGetIntRO() {
|
||||
int r = 0;
|
||||
for (int i = 0; i < heapByteBufferRO.capacity(); i+=4) {
|
||||
r += heapByteBufferRO.getInt(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Heap_Int__
|
||||
|
||||
@Benchmark
|
||||
public void testHeapLoopPutInt() {
|
||||
for (int i = 0; i < heapByteBuffer.capacity(); i+=4) {
|
||||
heapByteBuffer.putInt(i, intValue);
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public int testHeapLoopGetInt() {
|
||||
int r = 0;
|
||||
for (int i = 0; i < heapByteBuffer.capacity(); i+=4) {
|
||||
r += heapByteBuffer.getInt(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Direct_Int_Swap_RO
|
||||
|
||||
@Benchmark
|
||||
public int testDirectLoopGetIntSwapRO() {
|
||||
int r = 0;
|
||||
for (int i = 0; i < directByteBufferSwapRO.capacity(); i+=4) {
|
||||
r += directByteBufferSwapRO.getInt(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Direct_Int_Swap_
|
||||
|
||||
@Benchmark
|
||||
public void testDirectLoopPutIntSwap() {
|
||||
for (int i = 0; i < directByteBufferSwap.capacity(); i+=4) {
|
||||
directByteBufferSwap.putInt(i, intValue);
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public int testDirectLoopGetIntSwap() {
|
||||
int r = 0;
|
||||
for (int i = 0; i < directByteBufferSwap.capacity(); i+=4) {
|
||||
r += directByteBufferSwap.getInt(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Direct_Int__RO
|
||||
|
||||
@Benchmark
|
||||
public int testDirectLoopGetIntRO() {
|
||||
int r = 0;
|
||||
for (int i = 0; i < directByteBufferRO.capacity(); i+=4) {
|
||||
r += directByteBufferRO.getInt(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Direct_Int__
|
||||
|
||||
@Benchmark
|
||||
public void testDirectLoopPutInt() {
|
||||
for (int i = 0; i < directByteBuffer.capacity(); i+=4) {
|
||||
directByteBuffer.putInt(i, intValue);
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public int testDirectLoopGetInt() {
|
||||
int r = 0;
|
||||
for (int i = 0; i < directByteBuffer.capacity(); i+=4) {
|
||||
r += directByteBuffer.getInt(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Heap_Long_Swap_RO
|
||||
|
||||
@Benchmark
|
||||
public long testHeapLoopGetLongSwapRO() {
|
||||
long r = 0;
|
||||
for (int i = 0; i < heapByteBufferSwapRO.capacity(); i+=8) {
|
||||
r += heapByteBufferSwapRO.getLong(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Heap_Long_Swap_
|
||||
|
||||
@Benchmark
|
||||
public void testHeapLoopPutLongSwap() {
|
||||
for (int i = 0; i < heapByteBufferSwap.capacity(); i+=8) {
|
||||
heapByteBufferSwap.putLong(i, longValue);
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public long testHeapLoopGetLongSwap() {
|
||||
long r = 0;
|
||||
for (int i = 0; i < heapByteBufferSwap.capacity(); i+=8) {
|
||||
r += heapByteBufferSwap.getLong(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Heap_Long__RO
|
||||
|
||||
@Benchmark
|
||||
public long testHeapLoopGetLongRO() {
|
||||
long r = 0;
|
||||
for (int i = 0; i < heapByteBufferRO.capacity(); i+=8) {
|
||||
r += heapByteBufferRO.getLong(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Heap_Long__
|
||||
|
||||
@Benchmark
|
||||
public void testHeapLoopPutLong() {
|
||||
for (int i = 0; i < heapByteBuffer.capacity(); i+=8) {
|
||||
heapByteBuffer.putLong(i, longValue);
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public long testHeapLoopGetLong() {
|
||||
long r = 0;
|
||||
for (int i = 0; i < heapByteBuffer.capacity(); i+=8) {
|
||||
r += heapByteBuffer.getLong(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Direct_Long_Swap_RO
|
||||
|
||||
@Benchmark
|
||||
public long testDirectLoopGetLongSwapRO() {
|
||||
long r = 0;
|
||||
for (int i = 0; i < directByteBufferSwapRO.capacity(); i+=8) {
|
||||
r += directByteBufferSwapRO.getLong(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Direct_Long_Swap_
|
||||
|
||||
@Benchmark
|
||||
public void testDirectLoopPutLongSwap() {
|
||||
for (int i = 0; i < directByteBufferSwap.capacity(); i+=8) {
|
||||
directByteBufferSwap.putLong(i, longValue);
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public long testDirectLoopGetLongSwap() {
|
||||
long r = 0;
|
||||
for (int i = 0; i < directByteBufferSwap.capacity(); i+=8) {
|
||||
r += directByteBufferSwap.getLong(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Direct_Long__RO
|
||||
|
||||
@Benchmark
|
||||
public long testDirectLoopGetLongRO() {
|
||||
long r = 0;
|
||||
for (int i = 0; i < directByteBufferRO.capacity(); i+=8) {
|
||||
r += directByteBufferRO.getLong(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Direct_Long__
|
||||
|
||||
@Benchmark
|
||||
public void testDirectLoopPutLong() {
|
||||
for (int i = 0; i < directByteBuffer.capacity(); i+=8) {
|
||||
directByteBuffer.putLong(i, longValue);
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public long testDirectLoopGetLong() {
|
||||
long r = 0;
|
||||
for (int i = 0; i < directByteBuffer.capacity(); i+=8) {
|
||||
r += directByteBuffer.getLong(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Heap_Float_Swap_RO
|
||||
|
||||
@Benchmark
|
||||
public float testHeapLoopGetFloatSwapRO() {
|
||||
float r = 0;
|
||||
for (int i = 0; i < heapByteBufferSwapRO.capacity(); i+=4) {
|
||||
r += heapByteBufferSwapRO.getFloat(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Heap_Float_Swap_
|
||||
|
||||
@Benchmark
|
||||
public void testHeapLoopPutFloatSwap() {
|
||||
for (int i = 0; i < heapByteBufferSwap.capacity(); i+=4) {
|
||||
heapByteBufferSwap.putFloat(i, floatValue);
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public float testHeapLoopGetFloatSwap() {
|
||||
float r = 0;
|
||||
for (int i = 0; i < heapByteBufferSwap.capacity(); i+=4) {
|
||||
r += heapByteBufferSwap.getFloat(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Heap_Float__RO
|
||||
|
||||
@Benchmark
|
||||
public float testHeapLoopGetFloatRO() {
|
||||
float r = 0;
|
||||
for (int i = 0; i < heapByteBufferRO.capacity(); i+=4) {
|
||||
r += heapByteBufferRO.getFloat(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Heap_Float__
|
||||
|
||||
@Benchmark
|
||||
public void testHeapLoopPutFloat() {
|
||||
for (int i = 0; i < heapByteBuffer.capacity(); i+=4) {
|
||||
heapByteBuffer.putFloat(i, floatValue);
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public float testHeapLoopGetFloat() {
|
||||
float r = 0;
|
||||
for (int i = 0; i < heapByteBuffer.capacity(); i+=4) {
|
||||
r += heapByteBuffer.getFloat(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Direct_Float_Swap_RO
|
||||
|
||||
@Benchmark
|
||||
public float testDirectLoopGetFloatSwapRO() {
|
||||
float r = 0;
|
||||
for (int i = 0; i < directByteBufferSwapRO.capacity(); i+=4) {
|
||||
r += directByteBufferSwapRO.getFloat(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Direct_Float_Swap_
|
||||
|
||||
@Benchmark
|
||||
public void testDirectLoopPutFloatSwap() {
|
||||
for (int i = 0; i < directByteBufferSwap.capacity(); i+=4) {
|
||||
directByteBufferSwap.putFloat(i, floatValue);
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public float testDirectLoopGetFloatSwap() {
|
||||
float r = 0;
|
||||
for (int i = 0; i < directByteBufferSwap.capacity(); i+=4) {
|
||||
r += directByteBufferSwap.getFloat(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Direct_Float__RO
|
||||
|
||||
@Benchmark
|
||||
public float testDirectLoopGetFloatRO() {
|
||||
float r = 0;
|
||||
for (int i = 0; i < directByteBufferRO.capacity(); i+=4) {
|
||||
r += directByteBufferRO.getFloat(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Direct_Float__
|
||||
|
||||
@Benchmark
|
||||
public void testDirectLoopPutFloat() {
|
||||
for (int i = 0; i < directByteBuffer.capacity(); i+=4) {
|
||||
directByteBuffer.putFloat(i, floatValue);
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public float testDirectLoopGetFloat() {
|
||||
float r = 0;
|
||||
for (int i = 0; i < directByteBuffer.capacity(); i+=4) {
|
||||
r += directByteBuffer.getFloat(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Heap_Double_Swap_RO
|
||||
|
||||
@Benchmark
|
||||
public double testHeapLoopGetDoubleSwapRO() {
|
||||
double r = 0;
|
||||
for (int i = 0; i < heapByteBufferSwapRO.capacity(); i+=8) {
|
||||
r += heapByteBufferSwapRO.getDouble(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Heap_Double_Swap_
|
||||
|
||||
@Benchmark
|
||||
public void testHeapLoopPutDoubleSwap() {
|
||||
for (int i = 0; i < heapByteBufferSwap.capacity(); i+=8) {
|
||||
heapByteBufferSwap.putDouble(i, doubleValue);
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public double testHeapLoopGetDoubleSwap() {
|
||||
double r = 0;
|
||||
for (int i = 0; i < heapByteBufferSwap.capacity(); i+=8) {
|
||||
r += heapByteBufferSwap.getDouble(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Heap_Double__RO
|
||||
|
||||
@Benchmark
|
||||
public double testHeapLoopGetDoubleRO() {
|
||||
double r = 0;
|
||||
for (int i = 0; i < heapByteBufferRO.capacity(); i+=8) {
|
||||
r += heapByteBufferRO.getDouble(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Heap_Double__
|
||||
|
||||
@Benchmark
|
||||
public void testHeapLoopPutDouble() {
|
||||
for (int i = 0; i < heapByteBuffer.capacity(); i+=8) {
|
||||
heapByteBuffer.putDouble(i, doubleValue);
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public double testHeapLoopGetDouble() {
|
||||
double r = 0;
|
||||
for (int i = 0; i < heapByteBuffer.capacity(); i+=8) {
|
||||
r += heapByteBuffer.getDouble(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Direct_Double_Swap_RO
|
||||
|
||||
@Benchmark
|
||||
public double testDirectLoopGetDoubleSwapRO() {
|
||||
double r = 0;
|
||||
for (int i = 0; i < directByteBufferSwapRO.capacity(); i+=8) {
|
||||
r += directByteBufferSwapRO.getDouble(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Direct_Double_Swap_
|
||||
|
||||
@Benchmark
|
||||
public void testDirectLoopPutDoubleSwap() {
|
||||
for (int i = 0; i < directByteBufferSwap.capacity(); i+=8) {
|
||||
directByteBufferSwap.putDouble(i, doubleValue);
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public double testDirectLoopGetDoubleSwap() {
|
||||
double r = 0;
|
||||
for (int i = 0; i < directByteBufferSwap.capacity(); i+=8) {
|
||||
r += directByteBufferSwap.getDouble(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Direct_Double__RO
|
||||
|
||||
@Benchmark
|
||||
public double testDirectLoopGetDoubleRO() {
|
||||
double r = 0;
|
||||
for (int i = 0; i < directByteBufferRO.capacity(); i+=8) {
|
||||
r += directByteBufferRO.getDouble(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
// -- Direct_Double__
|
||||
|
||||
@Benchmark
|
||||
public void testDirectLoopPutDouble() {
|
||||
for (int i = 0; i < directByteBuffer.capacity(); i+=8) {
|
||||
directByteBuffer.putDouble(i, doubleValue);
|
||||
}
|
||||
}
|
||||
|
||||
@Benchmark
|
||||
public double testDirectLoopGetDouble() {
|
||||
double r = 0;
|
||||
for (int i = 0; i < directByteBuffer.capacity(); i+=8) {
|
||||
r += directByteBuffer.getDouble(i);
|
||||
}
|
||||
return r;
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue