Top "Cpu-architecture" questions

The hardware microarchitecture (x86, x86_64, ARM, ...) of a CPU or microcontroller.

What is the definition of JAL in RISC-V and how does one use it?

I don't get how JAL works in RISC-V as I've been seeing multiple conflicting definitions. For example, if I refer …

architecture hardware cpu-architecture riscv
Why is division more expensive than multiplication?

I am not really trying to optimize anything, but I remember hearing this from programmers all the time, that I …

performance division cpu-architecture multiplication
Why are CPU registers fast to access?

Register variables are a well-known way to get fast access (register int i). But why are registers on the top …

cpu-architecture cpu-registers
Installing amd_64 or i386 packages on raspbian (arm hf)

I am trying to install a driver for an RFID reader on my Raspberry Pi, so that my PC/SC …

linux raspberry-pi cpu-architecture raspbian
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 …

caching architecture cpu-architecture cpu-cache
How to check CPU name, model, speed on Windows/Linux C?

I would like to get some infos with C about hardware: how many CPU's I have how many cores have …

c linux cpu cpu-architecture cpu-speed
What is the advantage of having instructions in a uniform format?

Many processors have instructions which are of uniform format and width such as the ARM where all instructions are 32-bit …

encoding cpu-architecture instructions fixed-width variable-length
Can a TLB hit lead to page fault in memory?

In UC Berkley Video lectures on OS by John Kubiatowicz (Prof. Kuby) available on web, he mentioned that TLB hit …

memory-management operating-system kernel cpu-architecture tlb
How to calculate effective CPI for a 3 level cache

I am hopelessly stuck on a homework problem, and I would love some help understanding it better. Here is what …

caching architecture cpu-architecture cpu-cache hit
Relation between CPU's clock speed and clock period

In this slide, things looks a little off to me. Clock cycle time or clock period, is already time required …

cpu cpu-architecture cpu-speed