Top "Cpu-cache" questions

A CPU-cache is a hardware structure used by the CPU to reduce the average access memory time.

What Every Programmer Should Know About Memory?

I am wondering how much of Ulrich Drepper's What Every Programmer Should Know About Memory from 2007 is still valid. Also …

optimization memory x86 cpu-architecture cpu-cache
How are cache memories shared in multicore Intel CPUs?

I have a few questions regarding Cache memories used in Multicore CPUs or Multiprocessor systems. (Although not directly related to …

performance x86 multiprocessing intel cpu-cache
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). Cache …

c cpu-cache
What is locality of reference?

I am having problem in understanding locality of reference. Can anyone please help me out in understanding what it means …

caching memory cpu-architecture cpu-cache
Cycles/cost for L1 Cache hit vs. Register on x86?

I remember assuming that an L1 cache hit is 1 cycle (i.e. identical to register access time) in my architecture …

performance x86 cpu-architecture cpu-cache micro-optimization
Cache Addressing: Length of Index, Block offset, Byte offset & Tag?

Let's say I know the following values: W = Word length (= 32 bits) S = Cache size in words B = Block size in …

memory mips cpu-cache
C++ How to force prefetch data to cache? (array loop)

I have loop like this start = __rdtsc(); unsigned long long count = 0; for(int i = 0; i < N; i++) for(int …

c++ cpu-cache prefetch
What is the difference in cache memory and tightly coupled memory

Due to being embedded inside the CPU The TCM has a Harvard-architecture, so there is an ITCM (instruction TCM) and …

arm cpu-cache
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