
caching - read CPU cache contents - Stack Overflow
2010年7月30日 · This controller sits "between" the CPU and cache. Place a secondary module in parallel with the original cache, with read-only cache access. Using a special interrupt line (or …
caching - How do cache lines work? - Stack Overflow
Since a cache line is 64bytes and a CPU might use 64bit - 6bit = 58bit (no need to store the zero bits too right) means we can cache 64bytes or 512bits with an overhead of 58bit (11% …
CPU Cache Ratio? : r/overclocking - Reddit
2018年8月16日 · It's best to leave cache at stock. Overclocking cache doesn't really do too much for performance and it can destabilise your overclock. AFAIK, overclocking cache helps with …
Cache bandwidth per tick for modern CPUs - Stack Overflow
2014年2月4日 · Consult "Analyzing Cache Bandwidth on the Intel Core 2 Architecture" by Robert Sch¨one, Wolfgang E. Nagel, and Stefan Pfl¨uger, Center for Information Services and High …
Multiple threads and CPU cache - Stack Overflow
2011年1月28日 · This question stems from the possibility that these two threads could be running on two different cores of the CPU. So another way of putting this is: do all the cores share the …
ELI5: Why do modern CPUs have such little cache?
2021年6月24日 · The cache hit ratio measures how successful our cache is in serving data quickly. E.g., a hit ratio of 90% means the cache is able to successfully speed up data …
What is CPU Cache and why is it so important? : r/buildapc - Reddit
L1 cache is usually further split into instruction and data cache, allowing instructions and data to be accessed simultaneously. The roles of each layer of cache depend on the CPU design. For …
How can I do a CPU cache flush in x86 Windows? - Stack Overflow
2015年11月8日 · I am interested in forcing a CPU cache flush in Windows (for benchmarking reasons, I want to emulate starting with no data in CPU cache), preferably a basic C …
What does it mean for code to be "cache-friendly"?
2013年5月22日 · A cache hit/miss usually refers to a hit/miss in the highest level of cache in the CPU -- by highest level I mean the largest == slowest. The cache hit rate is crucial for …
c - How is x86 instruction cache synchronized? - Stack Overflow
The CPU handles cache invalidation automatically, you don't have to do anything manually. Software can't reasonably predict what will or will not be in CPU cache at any point in time, so …