482 lines
10 KiB
Vue
482 lines
10 KiB
Vue
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<template>
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<div class="demo-container">
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<h4>并发 (Concurrency) vs 并行 (Parallelism) 演示</h4>
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<div class="controls">
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<el-radio-group v-model="demoMode" size="small">
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<el-radio-button label="concurrent">单核并发</el-radio-button>
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<el-radio-button label="parallel">多核并行</el-radio-button>
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<el-radio-button label="hybrid">混合模式</el-radio-button>
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</el-radio-group>
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<el-button type="primary" size="small" @click="startDemo" :disabled="isRunning">
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{{ isRunning ? '运行中...' : '开始演示' }}
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</el-button>
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<el-button size="small" @click="reset">重置</el-button>
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<el-slider v-model="workerCount" :min="1" :max="8" :step="1" show-stops style="width: 150px;"
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v-if="demoMode === 'parallel' || demoMode === 'hybrid'" />
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</div>
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<div class="demo-grid">
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<!-- CPU 核心显示 -->
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<div class="section">
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<div class="section-title">
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{{ demoMode === 'concurrent' ? 'CPU 核心 (单核)' : 'CPU 核心 (' + cpuCores.length + '核)' }}
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</div>
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<div class="cpu-grid" :class="{ 'single-core': demoMode === 'concurrent' }">
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<div v-for="(core, idx) in cpuCores" :key="idx" class="cpu-core" :class="{
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'active': core.active,
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'concurrent-mode': demoMode === 'concurrent',
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'parallel-mode': demoMode === 'parallel'
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}"
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:style="{ backgroundColor: core.active ? core.color : '#f5f7fa' }">
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<div class="core-number">CPU {{ idx + 1 }}</div>
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<div class="core-task" v-if="core.task">{{ core.task }}</div>
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<div class="core-status">{{ core.active ? '运行中' : '空闲' }}</div>
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</div>
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</div>
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</div>
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<!-- 任务视图 -->
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<div class="section">
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<div class="section-title">任务执行</div>
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<div class="task-timeline">
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<div v-for="(task, idx) in demoTasks" :key="task.id" class="task-row">
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<div class="task-info">
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<div class="task-name">任务 {{ task.id }}</div>
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<div class="task-duration">{{ task.duration }}ms</div>
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</div>
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<div class="task-track">
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<div v-for="(segment, sidx) in task.segments" :key="sidx" class="task-segment"
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:class="{ 'execution': segment.type === 'execution', 'waiting': segment.type === 'waiting' }"
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:style="{ left: segment.start + '%', width: segment.width + '%' }">
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<span v-if="segment.width > 5" class="segment-text">
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{{ segment.type === 'execution' ? '执行' : '等待' }}
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</span>
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</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div class="comparison-table">
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<div class="table-header">并发 vs 并行 对比</div>
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<div class="comparison-grid">
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<div class="comparison-item">
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<div class="item-icon">🔄</div>
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<div class="item-title">并发 (Concurrency)</div>
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<div class="item-desc">多个任务交替执行，宏观上同时推进</div>
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<div class="item-examples"><strong>例子:</strong> 单核CPU多线程、协程调度、异步I/O</div>
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</div>
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<div class="comparison-item">
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<div class="item-icon">⚡</div>
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<div class="item-title">并行 (Parallelism)</div>
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<div class="item-desc">多个任务真正同时执行</div>
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<div class="item-examples"><strong>例子:</strong> 多核CPU计算、GPU并行计算、分布式处理</div>
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</div>
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</div>
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<div class="need-table">
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<div class="need-title">需要什么条件?</div>
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<div class="need-items">
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<div class="need-item">
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<span class="need-check">✓</span>
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<span class="need-text"><strong>并发:</strong> 单核 CPU 即可实现</span>
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</div>
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<div class="need-item">
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<span class="need-check need-multi">✓</span>
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<span class="need-text"><strong>并行:</strong> 需要多核 CPU 或多台机器</span>
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</div>
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</div>
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</div>
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</div>
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</div>
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</template>
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<script setup>
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import { ref, computed } from 'vue'
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const demoMode = ref('concurrent')
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const isRunning = ref(false)
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const workerCount = ref(4)
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// CPU 核心
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const cpuCores = ref([
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{ active: false, color: '#409eff', task: null },
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{ active: false, color: '#67c23a', task: null },
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{ active: false, color: '#e6a23c', task: null },
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{ active: false, color: '#f56c6c', task: null },
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])
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// 演示任务
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const demoTasks = ref([
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{ id: 1, duration: 40, segments: [] },
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{ id: 2, duration: 30, segments: [] },
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{ id: 3, duration: 50, segments: [] },
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{ id: 4, duration: 35, segments: [] },
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])
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function startDemo() {
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if (isRunning.value) return
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isRunning.value = true
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// 生成任务时间线
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generateTaskTimeline()
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// 模拟执行
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setTimeout(() => {
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isRunning.value = false
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}, 3000)
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}
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function generateTaskTimeline() {
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demoTasks.value.forEach((task, idx) => {
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const segments = []
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const mode = demoMode.value
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const colors = ['#409eff', '#67c23a', '#e6a23c', '#f56c6c']
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if (mode === 'concurrent') {
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// 单核并发：任务交替执行
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const baseStart = 5 + idx * 3
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segments.push({
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type: 'execution',
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start: baseStart,
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width: task.duration / 3,
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color: colors[idx % colors.length]
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})
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segments.push({
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type: 'waiting',
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start: baseStart + task.duration / 3,
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width: 20,
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color: '#dcdfe6'
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})
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segments.push({
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type: 'execution',
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start: baseStart + task.duration / 3 + 20,
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width: task.duration / 3,
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color: colors[idx % colors.length]
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})
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} else if (mode === 'parallel') {
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// 多核并行：任务同时执行
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segments.push({
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type: 'execution',
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start: 5,
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width: task.duration,
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color: colors[idx % colors.length]
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})
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} else {
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// 混合模式
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if (idx < workerCount.value) {
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segments.push({
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type: 'execution',
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start: 5,
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width: task.duration,
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color: colors[idx % colors.length]
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})
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} else {
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const baseStart = 5 + (idx - workerCount.value) * 5
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segments.push({
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type: 'execution',
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start: baseStart,
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width: task.duration / 2,
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color: colors[idx % colors.length]
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})
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}
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}
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task.segments = segments
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})
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}
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function reset() {
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isRunning.value = false
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demoTasks.value.forEach(task => {
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task.segments = []
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})
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}
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</script>
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<style scoped>
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.demo-container {
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padding: 20px;
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background: #f5f7fa;
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border-radius: 8px;
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}
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h4 {
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margin: 0 0 16px 0;
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color: #303133;
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}
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.controls {
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display: flex;
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gap: 8px;
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margin-bottom: 16px;
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flex-wrap: wrap;
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align-items: center;
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}
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.demo-grid {
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display: grid;
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grid-template-columns: 1fr 1fr;
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gap: 16px;
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margin-bottom: 16px;
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}
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.section {
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background: white;
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border-radius: 8px;
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padding: 16px;
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}
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.section-title {
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font-weight: bold;
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color: #303133;
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margin-bottom: 12px;
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font-size: 14px;
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}
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.cpu-grid {
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display: grid;
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grid-template-columns: repeat(2, 1fr);
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gap: 12px;
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}
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.cpu-grid.single-core {
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grid-template-columns: 1fr;
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}
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.cpu-core {
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background: #f5f7fa;
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border: 2px solid #e4e7ed;
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border-radius: 8px;
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padding: 16px;
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text-align: center;
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transition: all 0.3s;
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}
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.cpu-core.active {
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border-color: currentColor;
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box-shadow: 0 0 10px currentColor;
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}
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.cpu-core.concurrent-mode.active {
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animation: blink 0.5s infinite;
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}
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@keyframes blink {
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0%, 100% {
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opacity: 1;
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}
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50% {
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opacity: 0.6;
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}
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}
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.core-number {
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font-size: 12px;
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color: #606266;
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margin-bottom: 4px;
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}
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.core-task {
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font-size: 14px;
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font-weight: bold;
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color: #303133;
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margin-bottom: 4px;
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}
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.core-status {
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font-size: 11px;
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color: #909399;
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}
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.task-timeline {
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display: flex;
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flex-direction: column;
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gap: 8px;
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}
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.task-row {
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display: grid;
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grid-template-columns: 80px 1fr;
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gap: 8px;
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align-items: center;
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}
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.task-info {
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font-size: 11px;
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}
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.task-name {
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font-weight: bold;
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color: #303133;
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}
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.task-duration {
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color: #909399;
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}
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.task-track {
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position: relative;
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height: 20px;
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background: #f5f7fa;
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border-radius: 4px;
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overflow: hidden;
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}
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.task-segment {
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position: absolute;
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height: 100%;
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display: flex;
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align-items: center;
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justify-content: center;
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font-size: 9px;
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color: white;
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font-weight: 500;
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}
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.task-segment.waiting {
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background: #dcdfe6 !important;
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color: #606266;
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}
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.comparison-table {
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background: white;
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border-radius: 8px;
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padding: 20px;
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}
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.table-header {
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font-size: 18px;
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font-weight: bold;
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color: #303133;
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text-align: center;
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margin-bottom: 20px;
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padding-bottom: 12px;
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border-bottom: 2px solid #e4e7ed;
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}
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.comparison-grid {
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display: grid;
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grid-template-columns: 1fr 1fr;
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gap: 20px;
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margin-bottom: 20px;
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}
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.comparison-item {
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background: #f5f7fa;
|
|||
|
|
border-radius: 8px;
|
|||
|
|
padding: 16px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.item-icon {
|
|||
|
|
font-size: 32px;
|
|||
|
|
text-align: center;
|
|||
|
|
margin-bottom: 8px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.item-title {
|
|||
|
|
font-size: 16px;
|
|||
|
|
font-weight: bold;
|
|||
|
|
color: #303133;
|
|||
|
|
text-align: center;
|
|||
|
|
margin-bottom: 8px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.item-desc {
|
|||
|
|
font-size: 13px;
|
|||
|
|
color: #606266;
|
|||
|
|
text-align: center;
|
|||
|
|
margin-bottom: 12px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.item-examples {
|
|||
|
|
font-size: 12px;
|
|||
|
|
color: #909399;
|
|||
|
|
background: white;
|
|||
|
|
padding: 8px;
|
|||
|
|
border-radius: 4px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.need-table {
|
|||
|
|
background: #f5f7fa;
|
|||
|
|
border-radius: 8px;
|
|||
|
|
padding: 16px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.need-title {
|
|||
|
|
font-size: 14px;
|
|||
|
|
font-weight: bold;
|
|||
|
|
color: #303133;
|
|||
|
|
margin-bottom: 12px;
|
|||
|
|
text-align: center;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.need-items {
|
|||
|
|
display: grid;
|
|||
|
|
grid-template-columns: 1fr 1fr;
|
|||
|
|
gap: 12px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.need-item {
|
|||
|
|
display: flex;
|
|||
|
|
align-items: center;
|
|||
|
|
gap: 8px;
|
|||
|
|
background: white;
|
|||
|
|
padding: 12px;
|
|||
|
|
border-radius: 4px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.need-check {
|
|||
|
|
width: 20px;
|
|||
|
|
height: 20px;
|
|||
|
|
border-radius: 50%;
|
|||
|
|
background: #67c23a;
|
|||
|
|
color: white;
|
|||
|
|
display: flex;
|
|||
|
|
align-items: center;
|
|||
|
|
justify-content: center;
|
|||
|
|
font-size: 12px;
|
|||
|
|
font-weight: bold;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.need-check.need-multi {
|
|||
|
|
background: #409eff;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.need-text {
|
|||
|
|
font-size: 13px;
|
|||
|
|
color: #606266;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
@media (max-width: 768px) {
|
|||
|
|
.demo-grid {
|
|||
|
|
grid-template-columns: 1fr;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.comparison-grid {
|
|||
|
|
grid-template-columns: 1fr;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.need-items {
|
|||
|
|
grid-template-columns: 1fr;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.cpu-grid {
|
|||
|
|
grid-template-columns: repeat(2, 1fr);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
</style>
|