WebMay 22, 2013 · A simple example of cache-friendly versus cache-unfriendly is c++ 's std::vector versus std::list. Elements of a std::vector are stored in contiguous memory, and as such accessing them is much more cache-friendly than accessing elements in a std::list, which stores its content all over the place. This is due to spatial locality. Web由于越是上层的存储设备访问速度越快,如果该数据在上一层已经被缓存了(称作 cache hit),那么皆大欢喜,我们可以直接读出数据。如果该数据在上一层没有被缓存(称作 cache miss),那么我们只能从下一层取出 …
Types of Cache Misses - GeeksforGeeks
http://www.wowotech.net/memory_management/458.html WebJan 26, 2024 · Cache is the temporary memory officially termed “CPU cache memory.”. This chip-based feature of your computer lets you access some information more quickly than if you access it from your computer’s main hard drive. The data from programs and files you use the most is stored in this temporary memory, which is also the fastest memory in ... logan place crystal falls mi
cache是什么?_百度知道
WebOct 29, 2024 · 下图展示了Non-blocking cache处理memory access的过程, 其中 [h1]-[h3]展示了cache hit的过程,[m1]-[m`6]展示了cache miss的过程. cache hit的情况. process发送request给cache, cache hit, 然后将data返回. cache miss的情况. process发送request给cache, cache中找不到对应地址,cache miss. cache miss时 ... Web在電腦系統中,CPU快取(英語: CPU Cache ,在本文中簡稱快取)是用於減少處理器存取記憶體所需平均時間的部件。 在金字塔式記憶體階層中它位於自頂向下的第二層,僅次於CPU暫存器。 其容量遠小於記憶體,但速度卻可以接近處理器的頻率。. 當處理器發出記憶體存取請求時,會先查看快取內是否 ... Web2.2 Write Miss和Hit. CPU对外部可CACHE的内存进行写请求,这个数据地址在L1D中Miss,于是通过Write buffer送到L2,如果L2检测到这个地址是Miss,对应的L2 … logan police department iowa