Optimize IP field parsing

benchmarks/src/main/java/org/elasticsearch/benchmark/common/network/IpAddressesBenchmarks.java

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+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+package org.elasticsearch.benchmark.common.network;
+
+import org.elasticsearch.common.network.InetAddresses;
+import org.elasticsearch.xcontent.Text;
+import org.elasticsearch.xcontent.XContentString;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Fork;
+import org.openjdk.jmh.annotations.Measurement;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.annotations.Param;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.Setup;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.Warmup;
+import org.openjdk.jmh.infra.Blackhole;
+
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.util.Random;
+import java.util.concurrent.TimeUnit;
+
+@Warmup(iterations = 2)
+@Measurement(iterations = 3)
+@BenchmarkMode(Mode.Throughput)
+@OutputTimeUnit(TimeUnit.SECONDS)
+@State(Scope.Benchmark)
+@Fork(1)
+public class IpAddressesBenchmarks {
+
+    @Param("1000")
+    private int size;
+    private String[] ipV6Addresses;
+    private String[] ipV4Addresses;
+    private XContentString[] ipV6AddressesBytes;
+    private XContentString[] ipV4AddressesBytes;
+
+    @Setup
+    public void setup() throws UnknownHostException {
+        Random random = new Random();
+        ipV6Addresses = new String[size];
+        ipV4Addresses = new String[size];
+        ipV6AddressesBytes = new XContentString[size];
+        ipV4AddressesBytes = new XContentString[size];
+        byte[] ipv6Bytes = new byte[16];
+        byte[] ipv4Bytes = new byte[4];
+        for (int i = 0; i < size; i++) {
+            random.nextBytes(ipv6Bytes);
+            random.nextBytes(ipv4Bytes);
+            String ipv6String = InetAddresses.toAddrString(InetAddress.getByAddress(ipv6Bytes));
+            String ipv4String = InetAddresses.toAddrString(InetAddress.getByAddress(ipv4Bytes));
+            ipV6Addresses[i] = ipv6String;
+            ipV4Addresses[i] = ipv4String;
+            ipV6AddressesBytes[i] = new Text(ipv6String);
+            ipV4AddressesBytes[i] = new Text(ipv4String);
+        }
+    }
+
+    @Benchmark
+    public boolean isInetAddressIpv6() {
+        boolean b = true;
+        for (int i = 0; i < size; i++) {
+            b ^= InetAddresses.isInetAddress(ipV6Addresses[i]);
+        }
+        return b;
+    }
+
+    @Benchmark
+    public boolean isInetAddressIpv4() {
+        boolean b = true;
+        for (int i = 0; i < size; i++) {
+            b ^= InetAddresses.isInetAddress(ipV4Addresses[i]);
+        }
+        return b;
+    }
+
+    @Benchmark
+    public void getIpOrHostIpv6(Blackhole blackhole) {
+        for (int i = 0; i < size; i++) {
+            blackhole.consume(InetAddresses.getIpOrHost(ipV6Addresses[i]));
+        }
+    }
+
+    @Benchmark
+    public void getIpOrHostIpv4(Blackhole blackhole) {
+        for (int i = 0; i < size; i++) {
+            blackhole.consume(InetAddresses.forString(ipV4Addresses[i]));
+        }
+    }
+
+    @Benchmark
+    public void forStringIpv6String(Blackhole blackhole) {
+        for (int i = 0; i < size; i++) {
+            blackhole.consume(InetAddresses.forString(ipV6Addresses[i]));
+        }
+    }
+
+    @Benchmark
+    public void forStringIpv4String(Blackhole blackhole) {
+        for (int i = 0; i < size; i++) {
+            blackhole.consume(InetAddresses.forString(ipV4Addresses[i]));
+        }
+    }
+
+    @Benchmark
+    public void forStringIpv6Bytes(Blackhole blackhole) {
+        for (int i = 0; i < size; i++) {
+            blackhole.consume(InetAddresses.forString(ipV6AddressesBytes[i].bytes()));
+        }
+    }
+
+    @Benchmark
+    public void forStringIpv4Bytes(Blackhole blackhole) {
+        for (int i = 0; i < size; i++) {
+            blackhole.consume(InetAddresses.forString(ipV4AddressesBytes[i].bytes()));
+        }
+    }
+
+    @Benchmark
+    public void encodeAsIpv6WithIpv6(Blackhole blackhole) {
+        for (int i = 0; i < size; i++) {
+            blackhole.consume(InetAddresses.encodeAsIpv6(ipV6AddressesBytes[i]));
+        }
+    }
+
+    @Benchmark
+    public void encodeAsIpv6WithIpv4(Blackhole blackhole) {
+        for (int i = 0; i < size; i++) {
+            blackhole.consume(InetAddresses.encodeAsIpv6(ipV4AddressesBytes[i]));
+        }
+    }
+}