cpu-architecture

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What's the difference between a word and byte?

I\'ve done some research. A byte is 8 bits and a word is the smallest unit that can be addressed on memory. The exact length of a word varies. What I don\'t understand is what\'s the point of having a[详细]

2023-04-12 21:32 分类：问答
How to compute the word size of your computer in C? [duplicate]

This question already has answers here: Closed 11 years ago. Possible Duplicate: Determine word size of my processor[详细]

2023-04-12 11:47 分类：问答
Negative numbers are stored as 2's complement in memory, how does the CPU know if it's negative or positive?

-1 can be represented in 4 bit binary as (2\'s complement) 1111 15 is also represented as 1111.开发者_StackOverflow社区[详细]

2023-04-11 13:22 分类：问答
AND faster than integer modulo operation?

It is possible to re-express: i % m as: i & (m-1) where, i is an unsigned integer m is a power of 2 My question is: is the AND operation any faster? Don\'t modern CPUs support integer[详细]

2023-04-11 10:46 分类：问答
Can managed code impact instruction level parallelism?

Is there any way I can impact Instruction Level Parallelism writing C# code? In other words, is there a way I can \"help\" the compiler produce code that best makes use of ILP? I ask this because I\'m[详细]

2023-04-11 02:07 分类：问答
Difference between x86, x32, and x64 architectures?

Please explain the differe开发者_运维问答nce between x86, x32 and x64? Its a bit confusing when it comes to x86 and x32 because most of the time 32-bit programs run on x86... Hans and DarkDust answer[详细]

2023-04-10 12:22 分类：问答
What is locality of reference?

I am having problem in understanding locality of reference. Can anyone please help 开发者_JAVA技巧me out in understanding what it means and what is,[详细]

2023-04-10 02:08 分类：问答
I am getting the make error for the AMR Source Code

I have downloaded the AMR source code from the 3GPP website. When i am trying to compile it with out any modifications, i am getting the error[详细]

2023-04-03 17:36 分类：问答
In order execution and multitasking

Is there any relation b/w the order of exec开发者_开发问答ution (in-order & out-of-order) and multitasking? As per my understanding, a processor executing tasks in-order can support multitasking u[详细]

2023-04-02 02:56 分类：问答
Aligning to cache line and knowing the cache line size

To prevent false sharing, I want to align each element of an array to a cache line. So first I need to know the size of a cache line, so I assign each element that amount of bytes. Secondly I want the[详细]

2023-04-01 18:57 分类：问答