Translation lookaside buffer management
نویسندگان
چکیده
منابع مشابه
A partitioned translation lookaside buffer approach to reducing address bandwith
This paper presents a simple modification of a computing system’s virtual memory hardware that can sharply reduce the number of pins required to transmit address information between a single chip processor and off-chip memory. By partitioning the virtual memory system’s translation lookaside buffer (TLB) so that the virtual page numbers are stored in a cache on the processor chip and correspond...
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Most current computer architectures use a high−speed cache to translate user virtual addresses into physical memory addresses. On machines that require software to implement cache fills and invalidations, the software task is fairly straightforward. In a multi−processor multi−cache configuration, however, where processes are allowed to migrate across processors, there is an inherant synchroniza...
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The steady reduction in physical memory costs, increases in memory density, CPU speed, virtual address size, application complexity and working set size are placing pressure on the overall performance of computer systems. In particular, pressures are increasing on the address translation mechanism as greater process execution time is being consumed by virtual memory management mechanisms. Many ...
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The main security mechanism for enforcing memory isolation in operating systems is provided by page tables. The hardware-implemented Translation Lookaside Buffer (TLB) caches these, and therefore the TLB and its consistency with memory are security critical for OS kernels, including formally verified kernels such as seL4. If performance is paramount, this consistency can be subtle to achieve; y...
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ژورنال
عنوان ژورنال: «System analysis and applied information science»
سال: 2019
ISSN: 2414-0481,2309-4923
DOI: 10.21122/2309-4923-2019-4-20-24