https://answer.freetools.me/tags/%E5%86%85%E5%AD%98%E5%88%86%E9%85%8D%E5%99%A8/ Recent content in 内存分配器 on Answer Hugo -- 0.152.2 zh-cn Sat, 07 Mar 2026 07:47:31 +0800 https://answer.freetools.me/%E5%86%85%E5%AD%98%E5%88%86%E9%85%8D%E5%99%A8%E4%B8%BA%E4%BD%95%E6%88%90%E4%B8%BA%E9%AB%98%E5%B9%B6%E5%8F%91%E6%9C%8D%E5%8A%A1%E5%99%A8%E7%9A%84%E9%9A%90%E5%BD%A2%E7%93%B6%E9%A2%88%E4%BB%8Eptmalloc%E5%88%B0mimalloc%E7%9A%84%E5%9B%9B%E5%8D%81%E5%B9%B4%E6%8A%80%E6%9C%AF%E5%8D%9A%E5%BC%88/ Sat, 07 Mar 2026 07:47:31 +0800 https://answer.freetools.me/%E5%86%85%E5%AD%98%E5%88%86%E9%85%8D%E5%99%A8%E4%B8%BA%E4%BD%95%E6%88%90%E4%B8%BA%E9%AB%98%E5%B9%B6%E5%8F%91%E6%9C%8D%E5%8A%A1%E5%99%A8%E7%9A%84%E9%9A%90%E5%BD%A2%E7%93%B6%E9%A2%88%E4%BB%8Eptmalloc%E5%88%B0mimalloc%E7%9A%84%E5%9B%9B%E5%8D%81%E5%B9%B4%E6%8A%80%E6%9C%AF%E5%8D%9A%E5%BC%88/ 深入解析内存分配器的演进历程，从dlmalloc的设计原理到ptmalloc的多线程扩展，从jemalloc的arena架构到tcmalloc的per-CPU缓存，再到mimalloc的free list sharding创新。揭示高并发环境下内存分配的性能瓶颈、内存碎片的本质原因，以及如何根据工作负载选择合适的内存分配器。