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New posts in memory-barriers
C++11 Atomic memory order with non-atomic variables
Nov 04, 2022
c++
multithreading
c++11
atomic
memory-barriers
Is atomic_thread_fence(memory_order_release) different from using memory_order_acq_rel?
Apr 26, 2022
c++
language-lawyer
atomic
memory-barriers
memory-model
Is the example in the membarrier man page pointless in x86?
Jul 29, 2022
linux
x86
memory-barriers
memory-model
How to test the behavior of std::memory_order_relaxed?
Jan 23, 2022
c++
multithreading
stl
atomic
memory-barriers
Memory barriers in Parallel.For
Aug 22, 2022
c#
multithreading
memory-barriers
parallel.for
Compare and Swap on x86 - why is it a full barrier?
Apr 24, 2022
java
multithreading
atomic
memory-barriers
compare-and-swap
Least-restrictive memory ordering for single-producer, single-consumer ringbuffer?
Aug 13, 2019
c++
multithreading
c++11
memory-barriers
Understanding memory order relaxed in C++
Jun 23, 2019
c++
concurrency
atomic
memory-barriers
What are the exact inter-thread reordering constraints on mutex.lock() and .unlock() in c++11 and up?
Sep 07, 2022
c++
c++11
language-lawyer
mutex
memory-barriers
How are memory_order_seq_cst fences useful anymore in C++20?
May 28, 2022
c++
language-lawyer
c++20
memory-barriers
memory-model
Reducing bus traffic for cache line invalidation
Dec 14, 2021
multithreading
cpu-architecture
cpu-cache
memory-barriers
memory-model
Does `xchg` encompass `mfence` assuming no non-temporal instructions?
Feb 05, 2022
multithreading
assembly
x86
intel
memory-barriers
Why does using MFENCE with store instruction block prefetching in L1 cache?
Sep 12, 2022
performance
x86
intel
memory-barriers
prefetch
Memory order in shared pointer destructor
Nov 26, 2020
c++
c++11
shared-ptr
atomic
memory-barriers
std::memory_order_relaxed atomicity with respect to the same atomic variable
Jun 07, 2021
c++
multithreading
atomic
memory-barriers
stdatomic
Dependent loads reordering in CPU
May 22, 2019
synchronization
locking
cpu-architecture
lock-free
memory-barriers
volatile variables and memory barrier in java
Nov 09, 2022
java
multithreading
concurrency
volatile
memory-barriers
how is a memory barrier in linux kernel is used
Apr 28, 2022
linux
memory
linux-kernel
memory-barriers
smp
Least restrictive memory ordering for spin-lock with two atomics
Aug 18, 2022
c++
multithreading
c++11
atomic
memory-barriers
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