buzzword
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buzzword [2015/03/02 19:16] kevincha [Lecture 19 (03/02 Mon.)] |
buzzword [2015/03/04 19:21] kevincha [Lecture 19 (03/02 Mon.)] |
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| * Memory banks | * Memory banks | ||
| * Shared caches in multi-core processors | * Shared caches in multi-core processors | ||
| + | ===== Lecture 20 (03/04 Wed.) ===== | ||
| + | * Virtual vs. physical memory | ||
| + | * System's management on memory | ||
| + | * Benefits | ||
| + | * Problem: physical memory has limited size | ||
| + | * Mechanisms: indirection, virtual addresses, and translation | ||
| + | * Demand paging | ||
| + | * Physical memory as a cache | ||
| + | * Tasks of system SW for VM | ||
| + | * Serving a page fault | ||
| + | * Address translation | ||
| + | * Page table | ||
| + | * PTE (page table entry) | ||
| + | * Page replacement algorithm | ||
| + | * CLOCK algo. | ||
| + | * Inverted page table | ||
| + | * Page size trade-offs | ||
| + | * Protection | ||
| + | * Multi-level page tables | ||
| + | * x86 implementation of page table | ||
| + | * TLB | ||
| + | * Handling misses | ||
| + | * When to do address translation? | ||
| + | * Homonym and Synonyms | ||
| + | * Homonym: Same VA but maps to different PA with multiple processes | ||
| + | * Synonyms: Multiple VAs map to the same PA | ||
| + | * Shared libraries, shared data, copy-on-write | ||
| + | * Virtually indexed vs. physically indexed | ||
| + | * Virtually tagged vs. physically tagged | ||
| + | * Virtually indexed physically tagged | ||
| + | * Can these create problems when we have the cache | ||
| + | * How to eliminate these problems? | ||
| + | * Page coloring | ||
| + | * Interaction between cache and TLB | ||
buzzword.txt · Last modified: 2015/04/27 18:20 by rachata
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