cpu-cache

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Definition/meaning of Aliasing? (CPU cache architectures)

I\'m a little confused by the meaning of \"Aliasing\" between CPU-cache and Physical address. First I found It\'s definition on Wikipedia :[详细]

2023-03-04 15:35 分类：问答
how to read L2 cache hit/miss rate in Android (ARM)?

I found a way to read L1(data and instruction) cache using http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.faqs/ka4237.html.[详细]

2023-02-21 13:46 分类：问答
CPU affinity in virtualised environments

Is taskset for CPU affinity applicable when trying to use L2 cache efficiently 开发者_Go百科on a multi core processor in a virtualised environment like Amazon EC2?No, especially towards the smaller in[详细]

2023-02-19 20:55 分类：问答
Finding the cache block size

How do I find the cache block size in Ubuntu, programmatically (with C++) or开发者_开发知识库 otherwise?You can find it in /proc/cpuinfo; cache size for the total size, and cache_alignment for the blo[详细]

2023-02-18 22:45 分类：问答
How does lookup the L1 and L2 cache?

Recently I was reading some material on cpu cache. I am wondering how does the cpu lookup the L1 and L2 cache and in what format is the data in the cpu cache stored?[详细]

2023-02-16 13:31 分类：问答
Is it possible to read CPU cache hit/miss rate in Android?

Is it possible to read CPU开发者_开发问答 cache hit/miss rate in Android?According to the developer docs, you can use android.os.Debug.startNativeTracing() to get information about cache misses, if yo[详细]

2023-02-16 12:34 分类：问答
Machine code alignment

I am trying to understand the principles of machine code alignment. I have an assembler implementation which can generate machine code in run-time. I use 16-bytes alignment on every branch destination[详细]

2023-02-15 01:10 分类：问答
Understanding CPU cache and cache line

I am trying to understand how CPU cache is operating. Lets say we have this configuration (as an example).[详细]

2023-02-11 03:50 分类：问答
cache-related performance optimization techniques?

there\'re a lot of buzz about cache-related performance issues. I have several questions about them: Probably most popular issues are cache locality, and false cache sharing. Any others?[详细]

2023-02-10 11:57 分类：问答
Will a larger binary with parts of code that are not executed at the time, affect use of level 2 CPU memory?

It appears that CPUs run significantly faster if their L2 is not filled. Will a progr开发者_StackOverflow社区ammer be better off to code something that will eventually be smaller in binary, even if pa[详细]

2023-02-03 12:49 分类：问答