393 lines
15 KiB
TypeScript
393 lines
15 KiB
TypeScript
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/**
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* 真实 Protobuf 序列化性能测试
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* 使用实际的 protobufjs 库进行性能对比
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*/
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import 'reflect-metadata';
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import { Component } from '../../../src/ECS/Component';
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import {
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ProtoSerializable,
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ProtoFloat,
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ProtoInt32,
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ProtoString,
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ProtoBool,
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ProtobufRegistry
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} from '../../../src/Utils/Serialization/ProtobufDecorators';
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// 测试组件
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@ProtoSerializable('Position')
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class PositionComponent extends Component {
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@ProtoFloat(1) public x: number = 0;
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@ProtoFloat(2) public y: number = 0;
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@ProtoFloat(3) public z: number = 0;
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constructor(x: number = 0, y: number = 0, z: number = 0) {
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super();
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this.x = x;
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this.y = y;
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this.z = z;
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}
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}
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@ProtoSerializable('Player')
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class PlayerComponent extends Component {
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@ProtoString(1) public name: string = '';
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@ProtoInt32(2) public level: number = 1;
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@ProtoInt32(3) public experience: number = 0;
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@ProtoInt32(4) public score: number = 0;
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@ProtoBool(5) public isOnline: boolean = true;
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@ProtoFloat(6) public health: number = 100.0;
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constructor(name: string = 'Player', level: number = 1) {
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super();
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this.name = name;
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this.level = level;
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this.experience = level * 1000;
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this.score = level * 500;
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this.health = 100.0;
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}
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}
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// JSON 对比组件
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class JsonPositionComponent extends Component {
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public x: number = 0;
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public y: number = 0;
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public z: number = 0;
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constructor(x: number = 0, y: number = 0, z: number = 0) {
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super();
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this.x = x;
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this.y = y;
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this.z = z;
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}
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}
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class JsonPlayerComponent extends Component {
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public name: string = '';
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public level: number = 1;
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public experience: number = 0;
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public score: number = 0;
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public isOnline: boolean = true;
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public health: number = 100.0;
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constructor(name: string = 'Player', level: number = 1) {
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super();
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this.name = name;
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this.level = level;
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this.experience = level * 1000;
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this.score = level * 500;
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this.health = 100.0;
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}
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}
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describe('真实 Protobuf 性能测试', () => {
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let protobuf: any;
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let root: any;
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let PositionType: any;
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let PlayerType: any;
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beforeAll(async () => {
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try {
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// 尝试加载真实的 protobufjs
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protobuf = require('protobufjs');
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// 生成 proto 定义
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const registry = ProtobufRegistry.getInstance();
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const protoDefinition = registry.generateProtoDefinition();
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console.log('Generated proto definition:');
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console.log(protoDefinition);
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// 解析 proto 定义
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root = protobuf.parse(protoDefinition).root;
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PositionType = root.lookupType('ecs.Position');
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PlayerType = root.lookupType('ecs.Player');
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} catch (error) {
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console.warn('Protobuf not available, skipping real performance tests:', error);
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}
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});
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const skipIfNoProtobuf = () => {
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if (!protobuf || !root) {
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console.log('Skipping test: protobufjs not available');
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return true;
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}
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return false;
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};
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describe('简单组件性能对比', () => {
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it('Position 组件序列化性能', () => {
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if (skipIfNoProtobuf()) return;
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const iterations = 1000;
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const protobufComponents: PositionComponent[] = [];
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const jsonComponents: JsonPositionComponent[] = [];
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// 准备测试数据
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for (let i = 0; i < iterations; i++) {
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const x = Math.random() * 1000;
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const y = Math.random() * 1000;
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const z = Math.random() * 100;
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protobufComponents.push(new PositionComponent(x, y, z));
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jsonComponents.push(new JsonPositionComponent(x, y, z));
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}
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// Protobuf 序列化测试
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const protobufStartTime = performance.now();
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let protobufTotalSize = 0;
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const protobufResults: Uint8Array[] = [];
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for (const component of protobufComponents) {
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const message = PositionType.create({
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x: component.x,
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y: component.y,
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z: component.z
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});
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const buffer = PositionType.encode(message).finish();
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protobufResults.push(buffer);
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protobufTotalSize += buffer.length;
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}
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const protobufEndTime = performance.now();
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const protobufTime = protobufEndTime - protobufStartTime;
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// JSON 序列化测试
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const jsonStartTime = performance.now();
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let jsonTotalSize = 0;
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const jsonResults: string[] = [];
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for (const component of jsonComponents) {
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const jsonString = JSON.stringify({
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x: component.x,
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y: component.y,
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z: component.z
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});
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jsonResults.push(jsonString);
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jsonTotalSize += new Blob([jsonString]).size;
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}
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const jsonEndTime = performance.now();
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const jsonTime = jsonEndTime - jsonStartTime;
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// 计算性能指标
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const speedImprovement = jsonTime > 0 ? ((jsonTime - protobufTime) / jsonTime * 100) : 0;
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const sizeReduction = jsonTotalSize > 0 ? ((jsonTotalSize - protobufTotalSize) / jsonTotalSize * 100) : 0;
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console.log(`\\n=== Position 组件性能对比 (${iterations} 次迭代) ===`);
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console.log(`Protobuf 时间: ${protobufTime.toFixed(2)}ms`);
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console.log(`JSON 时间: ${jsonTime.toFixed(2)}ms`);
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console.log(`速度变化: ${speedImprovement > 0 ? '+' : ''}${speedImprovement.toFixed(1)}%`);
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console.log('');
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console.log(`Protobuf 总大小: ${protobufTotalSize} bytes`);
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console.log(`JSON 总大小: ${jsonTotalSize} bytes`);
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console.log(`大小变化: ${sizeReduction > 0 ? '-' : '+'}${Math.abs(sizeReduction).toFixed(1)}%`);
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console.log(`平均 Protobuf 大小: ${(protobufTotalSize / iterations).toFixed(1)} bytes`);
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console.log(`平均 JSON 大小: ${(jsonTotalSize / iterations).toFixed(1)} bytes`);
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// 验证反序列化
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let deserializeTime = performance.now();
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for (const buffer of protobufResults.slice(0, 10)) { // 只测试前10个
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const decoded = PositionType.decode(buffer);
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expect(typeof decoded.x).toBe('number');
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expect(typeof decoded.y).toBe('number');
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expect(typeof decoded.z).toBe('number');
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}
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deserializeTime = performance.now() - deserializeTime;
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console.log(`Protobuf 反序列化 10 个: ${deserializeTime.toFixed(2)}ms`);
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// 基本验证
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expect(protobufTime).toBeGreaterThan(0);
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expect(jsonTime).toBeGreaterThan(0);
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expect(protobufTotalSize).toBeGreaterThan(0);
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expect(jsonTotalSize).toBeGreaterThan(0);
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});
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it('复杂 Player 组件序列化性能', () => {
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if (skipIfNoProtobuf()) return;
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const iterations = 500;
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const protobufPlayers: PlayerComponent[] = [];
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const jsonPlayers: JsonPlayerComponent[] = [];
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// 创建测试数据
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for (let i = 0; i < iterations; i++) {
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const name = `Player_${i}_${'x'.repeat(10 + Math.floor(Math.random() * 20))}`;
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const level = Math.floor(Math.random() * 100) + 1;
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protobufPlayers.push(new PlayerComponent(name, level));
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jsonPlayers.push(new JsonPlayerComponent(name, level));
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}
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// Protobuf 序列化测试
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const protobufStart = performance.now();
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let protobufSize = 0;
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for (const player of protobufPlayers) {
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const message = PlayerType.create({
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name: player.name,
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level: player.level,
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experience: player.experience,
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score: player.score,
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isOnline: player.isOnline,
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health: player.health
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});
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const buffer = PlayerType.encode(message).finish();
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protobufSize += buffer.length;
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}
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const protobufTime = performance.now() - protobufStart;
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// JSON 序列化测试
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const jsonStart = performance.now();
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let jsonSize = 0;
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for (const player of jsonPlayers) {
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const jsonString = JSON.stringify({
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name: player.name,
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level: player.level,
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experience: player.experience,
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score: player.score,
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isOnline: player.isOnline,
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health: player.health
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});
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jsonSize += new Blob([jsonString]).size;
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}
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const jsonTime = performance.now() - jsonStart;
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const speedChange = jsonTime > 0 ? ((jsonTime - protobufTime) / jsonTime * 100) : 0;
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const sizeReduction = jsonSize > 0 ? ((jsonSize - protobufSize) / jsonSize * 100) : 0;
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console.log(`\\n=== Player 组件性能对比 (${iterations} 次迭代) ===`);
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console.log(`Protobuf 时间: ${protobufTime.toFixed(2)}ms`);
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console.log(`JSON 时间: ${jsonTime.toFixed(2)}ms`);
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console.log(`速度变化: ${speedChange > 0 ? '+' : ''}${speedChange.toFixed(1)}%`);
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console.log('');
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console.log(`Protobuf 总大小: ${protobufSize} bytes`);
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console.log(`JSON 总大小: ${jsonSize} bytes`);
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console.log(`大小变化: ${sizeReduction > 0 ? '-' : '+'}${Math.abs(sizeReduction).toFixed(1)}%`);
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console.log(`平均 Protobuf 大小: ${(protobufSize / iterations).toFixed(1)} bytes`);
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console.log(`平均 JSON 大小: ${(jsonSize / iterations).toFixed(1)} bytes`);
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expect(protobufTime).toBeGreaterThan(0);
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expect(jsonTime).toBeGreaterThan(0);
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});
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});
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describe('批量数据性能测试', () => {
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it('大量小对象序列化', () => {
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if (skipIfNoProtobuf()) return;
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const count = 5000;
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console.log(`\\n=== 大量小对象测试 (${count} 个 Position) ===`);
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// 准备数据
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const positions = Array.from({ length: count }, (_, i) => ({
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x: i * 0.1,
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y: i * 0.2,
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z: i * 0.05
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}));
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// Protobuf 批量序列化
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const protobufStart = performance.now();
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let protobufSize = 0;
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for (const pos of positions) {
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const message = PositionType.create(pos);
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const buffer = PositionType.encode(message).finish();
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protobufSize += buffer.length;
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}
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const protobufTime = performance.now() - protobufStart;
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// JSON 批量序列化
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const jsonStart = performance.now();
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let jsonSize = 0;
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for (const pos of positions) {
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const jsonString = JSON.stringify(pos);
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jsonSize += jsonString.length;
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}
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const jsonTime = performance.now() - jsonStart;
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console.log(`Protobuf: ${protobufTime.toFixed(2)}ms, ${protobufSize} bytes`);
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console.log(`JSON: ${jsonTime.toFixed(2)}ms, ${jsonSize} bytes`);
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console.log(`速度: ${protobufTime < jsonTime ? 'Protobuf 更快' : 'JSON 更快'} (${Math.abs(protobufTime - jsonTime).toFixed(2)}ms 差异)`);
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console.log(`大小: Protobuf ${protobufSize < jsonSize ? '更小' : '更大'} (${Math.abs(protobufSize - jsonSize)} bytes 差异)`);
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console.log(`处理速度: Protobuf ${Math.floor(count / (protobufTime / 1000))} ops/s, JSON ${Math.floor(count / (jsonTime / 1000))} ops/s`);
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});
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});
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describe('真实网络场景模拟', () => {
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it('游戏状态同步场景', () => {
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if (skipIfNoProtobuf()) return;
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console.log(`\\n=== 游戏状态同步场景 ===`);
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// 模拟 100 个玩家的位置更新
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const playerCount = 100;
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const updateData = Array.from({ length: playerCount }, (_, i) => ({
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playerId: i,
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x: Math.random() * 1000,
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y: Math.random() * 1000,
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z: Math.random() * 100,
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health: Math.floor(Math.random() * 100),
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isMoving: Math.random() > 0.5
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}));
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// 创建组合消息类型（模拟）
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const GameUpdateType = root.lookupType('ecs.Position'); // 简化使用 Position
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// Protobuf 序列化所有更新
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const protobufStart = performance.now();
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let protobufTotalSize = 0;
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for (const update of updateData) {
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const message = GameUpdateType.create({
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x: update.x,
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y: update.y,
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z: update.z
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});
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const buffer = GameUpdateType.encode(message).finish();
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protobufTotalSize += buffer.length;
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}
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const protobufTime = performance.now() - protobufStart;
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// JSON 序列化所有更新
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const jsonStart = performance.now();
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let jsonTotalSize = 0;
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for (const update of updateData) {
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const jsonString = JSON.stringify({
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||
|
|
playerId: update.playerId,
|
||
|
|
x: update.x,
|
||
|
|
y: update.y,
|
||
|
|
z: update.z,
|
||
|
|
health: update.health,
|
||
|
|
isMoving: update.isMoving
|
||
|
|
});
|
||
|
|
jsonTotalSize += jsonString.length;
|
||
|
|
}
|
||
|
|
|
||
|
|
const jsonTime = performance.now() - jsonStart;
|
||
|
|
|
||
|
|
console.log(`${playerCount} 个玩家位置更新:`);
|
||
|
|
console.log(`Protobuf: ${protobufTime.toFixed(2)}ms, ${protobufTotalSize} bytes`);
|
||
|
|
console.log(`JSON: ${jsonTime.toFixed(2)}ms, ${jsonTotalSize} bytes`);
|
||
|
|
|
||
|
|
// 计算网络传输节省
|
||
|
|
const sizeSaving = jsonTotalSize - protobufTotalSize;
|
||
|
|
const percentSaving = (sizeSaving / jsonTotalSize * 100);
|
||
|
|
|
||
|
|
console.log(`数据大小节省: ${sizeSaving} bytes (${percentSaving.toFixed(1)}%)`);
|
||
|
|
console.log(`每秒 60 次更新的带宽节省: ${(sizeSaving * 60 / 1024).toFixed(2)} KB/s`);
|
||
|
|
|
||
|
|
expect(protobufTotalSize).toBeGreaterThan(0);
|
||
|
|
expect(jsonTotalSize).toBeGreaterThan(0);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
});
|