Top "Smp" questions

Symmetric multiprocessing

What does multicore assembly language look like?

Once upon a time, to write x86 assembler, for example, you would have instructions stating "load the EDX register with …

assembly x86 cpu multicore smp
Is there a simple process-based parallel map for python?

I'm looking for a simple process-based parallel map for python, that is, a function parmap(function,[data]) that would run …

python parallel-processing smp
multi-CPU, multi-core and hyper-thread

Could anyone recommend some documents to me to illustrate the differences between multi-CPU, multi-core, and hyper-thread? I am always confused …

multicore smp hyperthreading
What is TLB shootdown?

What is a TLB shootdown in SMPs? I am unable to find much information regarding this concept. Any good example …

caching operating-system tlb smp
Linux find out Hyper-threaded core id

I spent this morning trying to find out how to determine which processor id is the hyper-threaded core, but without …

linux linux-kernel affinity hyperthreading smp
How can I get the CPU core number from within a user-space app (Linux, C)?

Presumably there is a library or simple asm blob that can get me the number of the current CPU that …

linux multicore smp
How is Heterogeneous Multi-Processing (HMP) scheduling implemented in Linux Kernel (Samsung Exynos5422)?

Does anybody know how Heterogeneous Multi-Processing (HMP) scheduling is implemented in the Linux kernel scheduler? This has been implemented in …

linux-kernel scheduling smp odroid hmp
How are atomic operations implemented at a hardware level?

I get that at the assembly language level instruction set architectures provide compare and swap and similar operations. However, I …

language-agnostic x86 atomicity smp
What happens if two process in different processors try to acquire the lock at EXACTLY same time

Ok, so I am reading about synchronization, and I read through various algorithms such as spinlocks, semaphores, and mutex to …

synchronization locking smp multiprocessor
Assembly: does xadd instruction need lock?

I'm reading smphello.s code by allan cruse code in the following part he's trying to setup stack segment for …

assembly x86 atomic smp