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写代码是热爱,写到世界充满爱
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MESI协议
基于失效的缓存一致性协议 (invalid-based) 状态# MESI 对应 4 种状态 已修改 Modified (M) 缓存行是脏的 ,与主存值不同。如果别的 CPU 内核要读主存这块数据,该缓存行必须回写到主存,状态变为共享 (S) 独占 Exclusive…
73
2 min
9 months ago
Golang map
map 实现原理# Go 语言采用哈希查找表,并且使用链表解决哈希冲突 内存模型: Copy type hmap struct{ count int //K,V数目. 调用len()返回此值 flags uint8 //标志位…
69
4 min
9 months ago
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