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caching - What is TLB shootdown? - Stack Overflow A TLB (Translation Lookaside Buffer) is a cache of the translations from virtual memory addresses to physical memory addresses When a processor changes the virtual-to-physical mapping of an address, it needs to tell the other processors to invalidate that mapping in their caches
memory - TLB vs Page Table - Stack Overflow The page table associate each virtual page with its associated physical frame The TLB does the same except it only contains a subset of the page table What is the purpose of the TLB if page tabl
performance - TLB misses vs cache misses? - Stack Overflow Could someone please explain the difference between a TLB (Translation lookaside buffer) miss and a cache miss? I believe I found out TLB refers to some sort of virtual memory address but I wasn't
How does the TLB identify a particular process? The TLB is a cache of mappings found in the page table It gets filled in as you go When you change which process is running, you change the page table (since now you need a different set of mappings), and you clear the TLB (so you don't have any old mappings that are only relevant to the previous process)