Are atomic variables lock-free?

Are atomic variables lock-free?

c++ multithreading c++11 x86-64 atomic

multithreading

How fast is thread local variable access on Linux

c linux multithreading gcc x86-64

multithreading

Acquire/release semantics with non-temporal stores on x64

c++ multithreading x86-64 lock-free stdatomic

multithreading

Can x86 reorder a narrow store with a wider load that fully contains it?

multithreading assembly x86 locking x86-64

multithreading

What are the CPU-internal characteristics of CAS collision?

multithreading assembly concurrency x86-64 lock-free

multithreading

Thread local variables and fs segment

c linux multithreading gcc x86-64

multithreading

On a 64 bit machine, can I safely operate on individual bytes of a 64 bit quadword in parallel?

c++ multithreading image-processing parallel-processing x86-64

multithreading

How fast is an atomic/interlocked variable compared to a lock, with or without contention? [duplicate]

c++ multithreading performance x86-64 thread-synchronization

multithreading

False Sharing and Atomic Variables

c++ c multithreading caching x86-64

multithreading

Multiple threads and memory

c++ multithreading cpu x86-64

multithreading

What will be used for data exchange between threads are executing on one Core with HT?

multithreading concurrency x86 x86-64 hyperthreading

multithreading

How cache coherence affects the performance in this case

c multithreading multiprocessing multicore x86-64

multithreading

False sharing prevention with alignas is broken

c++ multithreading x86-64 memory-alignment false-sharing

multithreading

With Hyper Threading, threads of one physical core are exchanging via what level of cache L1/L2/L3?

multithreading x86 x86-64 smt hyperthreading

multithreading