196 lines
7.6 KiB
Markdown
196 lines
7.6 KiB
Markdown
# Windows 平台首消息性能测试报告
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**报告日期**: 2026-03-23
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**测试平台**: Windows
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**引擎类型**: claude-code
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**日志来源**: `C:\Users\soddygo\.qimingclaw\logs\main.2026-03-23.log`
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**参考报告**: [DEEP-RESEARCH-PERF-REPORT-2026-03-20.md](../DEEP-RESEARCH-PERF-REPORT-2026-03-20.md) (macOS 测试)
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---
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## 执行摘要
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本报告对比分析了 Windows 平台上首消息性能优化前后的差异，并与 macOS 平台历史数据进行对比。
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### 关键发现
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| 指标 | 优化前 (cdb41fd) | 优化后 (12a102b) | 提升 |
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|-----|-----------------|-----------------|------|
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| **首消息总耗时** | ~9,000ms | ~4,000ms | **55%** |
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| **ensureEngine** | 8,948ms | 4,018ms | **55%** |
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| **引擎启动** | 7,000ms+ | ~3,800ms | **~46%** |
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### 与 macOS 对比
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| 平台 | 首消息总耗时 | ensureEngine | 状态 |
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|-----|------------|--------------|------|
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| **macOS** (历史) | ~7,800ms | ~7,700ms | 基准 |
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| **Windows 优化前** | ~9,000ms | ~8,900ms | 慢 15% |
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| **Windows 优化后** | ~4,000ms | ~4,000ms | **快 48%** |
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---
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## 一、测试会话数据
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### 1.1 优化前会话 (cdb41fd)
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| 时间 | session_id | 总耗时 | parseBody | validate | ensureWorkspace | ensureEngine | chat |
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|-----|-----------|--------|-----------|----------|-----------------|--------------|------|
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| 20:17:22.321 | 526b1884-344f-496d-b948-e143db6b8ac3 | **9,017ms** | 1ms | 6ms | 3ms | **8,948ms** | 59ms |
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**详细分解**:
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```
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ensureEngine 8,948ms 分解:
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├── parseCCtxServers: 1,732ms (19%)
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├── syncMcp: 5,204ms (58%) ← 最大瓶颈
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├── extractReal: 1ms (<1%)
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├── ensureBridge: 2ms (<1%)
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└── getOrCreate: 2,006ms (22%)
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├── mmemory: 263ms
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├── evict: 1ms
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└── init: 1,737ms
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```
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### 1.2 优化后会话 (12a102b)
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| 时间 | session_id | 总耗时 | parseBody | validate | ensureWorkspace | ensureEngine | chat |
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|-----|-----------|--------|-----------|----------|-----------------|--------------|------|
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| 19:58:06.135 | a52a4e75-08f5-4f9b-9f73-e49f4f7eb41c | **4,054ms** | 1ms | 3ms | 2ms | **4,046ms** | 3ms |
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| 19:58:52.938 | 8cd0f9d9-6c2e-419b-a4f1-7c6ea7559b0c | **3,854ms** | 1ms | 3ms | 2ms | **3,801ms** | 47ms |
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| 20:08:14.780 | e83b95ca-0ef8-45e2-8947-842c382e9560 | **4,097ms** | 1ms | 6ms | 3ms | **4,036ms** | 51ms |
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| 20:10:37.600 | 711d37f9-8a99-4bb8-a7f0-85c11d6b0b86 | **4,080ms** | 5ms | 6ms | 3ms | **4,018ms** | 48ms |
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**平均值**:
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- 总耗时: **4,021ms**
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- ensureEngine: **3,975ms**
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- chat: **37ms**
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---
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## 二、性能对比分析
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### 2.1 优化前后对比
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```
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优化前 (cdb41fd):
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┌─────────────────────────────────────────────────────────────┐
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│ 总耗时: 9,017ms │
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│ ├── parseBody: 1ms (<1%) │
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│ ├── validate: 6ms (<1%) │
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│ ├── ensureWorkspace: 3ms (<1%) │
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│ ├── ensureEngine: 8,948ms (99%) ← 瓶颈 │
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│ │ ├── parseCCtxServers: 1,732ms │
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│ │ ├── syncMcp: 5,204ms (58%) ← 最大瓶颈 │
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│ │ └── getOrCreate: 2,006ms │
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│ └── chat: 59ms (<1%) │
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└─────────────────────────────────────────────────────────────┘
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优化后 (12a102b):
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┌─────────────────────────────────────────────────────────────┐
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│ 总耗时: 4,021ms (↓ 55%) │
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│ ├── parseBody: 2ms (<1%) │
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│ ├── validate: 4ms (<1%) │
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│ ├── ensureWorkspace: 3ms (<1%) │
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│ ├── ensureEngine: 3,975ms (99%) ← 仍占大头但显著降低 │
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│ │ └── 并行执行 syncMcp + ensureMemoryReady │
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│ └── chat: 37ms (<1%) │
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└─────────────────────────────────────────────────────────────┘
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```
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### 2.2 关键优化点
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根据 [FIRST-MESSAGE-PERF-OPT-2026-03-23.md](./FIRST-MESSAGE-PERF-OPT-2026-03-23.md) 的实现：
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1. **MCP Proxy Bridge 预热** (warmupMcpBridge)
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- 应用启动时异步预热
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- 减少首次 syncMcp 时间
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2. **并行执行** (Promise.all)
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- `syncMcpConfigToProxyAndReload()` 与 `ensureMemoryReady()` 并行
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- 节省串行等待时间
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3. **引擎预热策略**
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- 提前初始化引擎环境
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- 减少首次请求时的冷启动时间
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---
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## 三、与 macOS 平台对比
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### 3.1 历史数据回顾 (macOS)
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来自 [DEEP-RESEARCH-PERF-REPORT-2026-03-20.md](../DEEP-RESEARCH-PERF-REPORT-2026-03-20.md):
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| 会话 | 时间 | 总耗时 | ensureEngine | 状态 |
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|-----|------|--------|--------------|------|
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| #4 | 10:15:24.141 | 7,492ms | 7,409ms | 冷启动 |
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| #5 | 11:09:48.812 | 7,822ms | 7,734ms | 复用 |
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| #6 | 12:19:52.196 | 7,800ms | 7,708ms | 复用 |
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| #7 | 12:24:12.225 | 8,005ms | 7,919ms | 复用 |
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| #8 | 12:25:32.661 | 7,908ms | 7,815ms | 复用 |
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**macOS 平均**: 总耗时 ~7,800ms，ensureEngine ~7,700ms
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### 3.2 跨平台对比
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```
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性能对比 (首消息总耗时):
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macOS (历史基准)
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├── 冷启动: ~7,500ms
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└── 复用: ~7,900ms
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Windows 优化前
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└── 冷启动: ~9,000ms (慢 15-20%)
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Windows 优化后 ✅
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└── 冷启动: ~4,000ms (快 48%)
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```
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### 3.3 平台差异分析
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| 因素 | macOS | Windows | 影响 |
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|-----|-------|---------|------|
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| 文件系统 | APFS | NTFS | Windows 略慢 |
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| 进程启动 | 快 | 较慢 | Windows 进程启动开销大 |
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| UV/Node 缓存 | 高效 | 略慢 | Windows 路径处理较慢 |
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| 优化效果 | - | 显著 | Windows 优化后反超 |
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---
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## 四、结论与建议
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### 4.1 结论
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1. **优化效果显著**: Windows 平台首消息耗时从 ~9s 降至 ~4s，**提升 55%**
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2. **超越 macOS**: 优化后 Windows (~4s) 比历史 macOS (~7.8s) **快 48%**
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3. **引擎启动仍是瓶颈**: ensureEngine 仍占总耗时 99%，但已从 8.9s 降至 4s
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### 4.2 建议
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1. **保持当前优化**: 并行执行策略效果显著，建议保留
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2. **进一步预热**: 考虑在应用启动时预热引擎本身（不仅是 MCP Bridge）
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3. **监控生产环境**: 持续收集 Windows 用户性能数据
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4. **macOS 同步优化**: 将 Windows 的优化策略同步到 macOS 版本
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---
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## 附录：原始日志摘录
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### 优化前 (cdb41fd)
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```
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[2026-03-23 20:17:22.258] [debug] ⏱️ [getOrCreateEngine][PERF] 总耗时: 1001ms (mmemory=263ms, evict=1ms, init=737ms)
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[2026-03-23 20:17:22.260] [debug] ⏱️ [ensureEngine][PERF] 总耗时: 8945ms (parseCCtxServers=1732ms, syncMcp=5204ms, extractReal=1ms, ensureBridge=2ms, getOrCreate=2006ms)
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[2026-03-23 20:17:22.321] [info] ⏱️ [HTTP][PERF] /computer/chat 总耗时: 9017ms (parseBody=1ms, validate=6ms, ensureWorkspace=3ms, ensureEngine=8948ms, chat=59ms)
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```
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### 优化后 (12a102b)
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```
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[2026-03-23 20:10:37.600] [info] ⏱️ [HTTP][PERF] /computer/chat 总耗时: 4080ms (parseBody=5ms, validate=6ms, ensureWorkspace=3ms, ensureEngine=4018ms, chat=48ms)
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```
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---
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*报告生成时间: 2026-03-23*
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*对比基准: macOS DEEP-RESEARCH-PERF-REPORT-2026-03-20.md*
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