https://www.bvbej.com/tags/%E6%80%A7%E8%83%BD%E4%BC%98%E5%8C%96/Recent content in 性能优化 on BvBeJ的小站Hugozh-CNTue, 26 May 2026 00:00:00 +0000https://www.bvbej.com/posts/linux-cpu-isolation-realtime-service/Tue, 26 May 2026 00:00:00 +0000https://www.bvbej.com/posts/linux-cpu-isolation-realtime-service/把关键线程与系统噪声隔离开，才能真正收敛尾延迟。https://www.bvbej.com/posts/cpp-simd-intro-practice/Sun, 24 May 2026 00:00:00 +0000https://www.bvbej.com/posts/cpp-simd-intro-practice/向量化优化要先满足数据布局和热点可并行条件https://www.bvbej.com/posts/cpp-scheduler-tail-latency-control/Sat, 23 May 2026 00:00:00 +0000https://www.bvbej.com/posts/cpp-scheduler-tail-latency-control/平均延迟好看不代表系统健康，尾延迟治理要从调度器设计入手。https://www.bvbej.com/posts/go-http-connection-pooling/Sat, 23 May 2026 00:00:00 +0000https://www.bvbej.com/posts/go-http-connection-pooling/默认参数并不适合所有流量模型，连接复用要可观测https://www.bvbej.com/posts/rust-tokio-runtime-tuning/Fri, 22 May 2026 00:00:00 +0000https://www.bvbej.com/posts/rust-tokio-runtime-tuning/Tokio 默认配置能跑，但高负载下需要主动治理阻塞与唤醒抖动。https://www.bvbej.com/posts/vue3-ssr-hydration-pitfalls/Fri, 22 May 2026 00:00:00 +0000https://www.bvbej.com/posts/vue3-ssr-hydration-pitfalls/SSR 稳定性关键在于首屏数据和客户端渲染一致https://www.bvbej.com/posts/go-redis-pipeline-latency/Wed, 20 May 2026 00:00:00 +0000https://www.bvbej.com/posts/go-redis-pipeline-latency/批量请求能降 RTT，但要控制单批大小和超时https://www.bvbej.com/posts/postgres-vacuum-bloat-control/Sat, 16 May 2026 00:00:00 +0000https://www.bvbej.com/posts/postgres-vacuum-bloat-control/写多读多场景下，膨胀管理决定了查询稳定性与存储成本。https://www.bvbej.com/posts/cpp-lock-contention-profiling/Fri, 15 May 2026 00:00:00 +0000https://www.bvbej.com/posts/cpp-lock-contention-profiling/先定位热点锁，再决定分片、读写锁还是无锁化https://www.bvbej.com/posts/go-gc-latency-budgeting/Wed, 13 May 2026 00:00:00 +0000https://www.bvbej.com/posts/go-gc-latency-budgeting/GC 问题不是关掉 GC，而是让内存增长和延迟目标协同。https://www.bvbej.com/posts/rust-ffi-zero-copy-contract/Tue, 12 May 2026 00:00:00 +0000https://www.bvbej.com/posts/rust-ffi-zero-copy-contract/跨语言零拷贝不是“传个指针”这么简单，契约不清就会踩 UB。https://www.bvbej.com/posts/cpp-thread-pool-work-stealing/Sat, 09 May 2026 00:00:00 +0000https://www.bvbej.com/posts/cpp-thread-pool-work-stealing/任务分布不均时，偷取队列可以提升吞吐但会增加复杂度https://www.bvbej.com/posts/cpp-allocator-fragmentation-governance/Wed, 06 May 2026 00:00:00 +0000https://www.bvbej.com/posts/cpp-allocator-fragmentation-governance/RSS 高不一定是泄漏，碎片化同样会把机器吃满。https://www.bvbej.com/posts/go-grpc-stream-flow-control/Mon, 04 May 2026 00:00:00 +0000https://www.bvbej.com/posts/go-grpc-stream-flow-control/流式接口的瓶颈常在接收端消费能力，而不是网络带宽。https://www.bvbej.com/posts/rust-async-trait-performance/Mon, 04 May 2026 00:00:00 +0000https://www.bvbej.com/posts/rust-async-trait-performance/抽象层做得越漂亮，越要关注是否引入了不必要的动态开销https://www.bvbej.com/posts/vue3-route-prefetch-strategy/Sun, 03 May 2026 00:00:00 +0000https://www.bvbej.com/posts/vue3-route-prefetch-strategy/首屏优化之外，路由预取是改善页面切换体验的实用策略https://www.bvbej.com/posts/cpp-custom-allocator-benchmarking/Sat, 02 May 2026 00:00:00 +0000https://www.bvbej.com/posts/cpp-custom-allocator-benchmarking/评估 allocator 要关注 p99、碎片和线程竞争，不只是吞吐https://www.bvbej.com/posts/cpp-lto-pgo-realworld/Wed, 29 Apr 2026 00:00:00 +0000https://www.bvbej.com/posts/cpp-lto-pgo-realworld/把编译优化从开关思维升级为数据闭环，避免“测得快、线上慢”。https://www.bvbej.com/posts/cpp-pmr-memory-resource-practice/Tue, 28 Apr 2026 00:00:00 +0000https://www.bvbej.com/posts/cpp-pmr-memory-resource-practice/C++17 的 polymorphic memory resource 在高频分配场景里非常实用https://www.bvbej.com/posts/kubernetes-requests-limits-cost/Sun, 26 Apr 2026 00:00:00 +0000https://www.bvbej.com/posts/kubernetes-requests-limits-cost/requests 和 limits 配不好，不是性能差，就是成本高https://www.bvbej.com/posts/rust-zero-copy-serialization/Thu, 23 Apr 2026 00:00:00 +0000https://www.bvbej.com/posts/rust-zero-copy-serialization/零拷贝并非银弹，但在高吞吐链路里常常是关键优化点https://www.bvbej.com/posts/cpp-cache-friendly-data-layout/Mon, 20 Apr 2026 00:00:00 +0000https://www.bvbej.com/posts/cpp-cache-friendly-data-layout/比起花哨技巧，数据布局通常是 C++ 性能的第一杠杆https://www.bvbej.com/posts/cpp-memory-pool-performance/Thu, 16 Apr 2026 00:00:00 +0000https://www.bvbej.com/posts/cpp-memory-pool-performance/当 new/delete 成为热点时，内存池往往比继续抠业务逻辑更有效https://www.bvbej.com/posts/cpp-lockfree-queue-memory-order/Thu, 16 Apr 2026 00:00:00 +0000https://www.bvbej.com/posts/cpp-lockfree-queue-memory-order/无锁结构不只是把 mutex 去掉，更关键的是搞清楚原子操作和内存序到底在保证什么https://www.bvbej.com/posts/vue3-performance-patterns/Thu, 16 Apr 2026 00:00:00 +0000https://www.bvbej.com/posts/vue3-performance-patterns/聊聊 Vue3 项目里真正影响体验的几个性能点，而不是只会背概念