https://jasper-aa64.github.io/zh/tags/pointer-chasing/Recent content in Pointer-Chasing on JasperHugozh-CNMon, 12 Oct 2026 00:00:00 +0000https://jasper-aa64.github.io/zh/posts/pointer-memory-access/Mon, 12 Oct 2026 00:00:00 +0000https://jasper-aa64.github.io/zh/posts/pointer-memory-access/a[i] = *b 这种循环，编译器每轮都要重读 *b，因为写 a[i] 可能改掉它。指针优化做的事，就是让编译器敢少读，让链表装进更近的缓存。