lock-free

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Is multiple-producer, single-consumer possible in a lockfree setting?

I have a bunch of threads that are doing lots of communication with each other. I would prefer this be lock free.[详细]

2022-12-18 12:08 分类：问答
Lock Free Deque that supports removing an arbitrary node

This needs to be lock free as it has to run in the interrupt handler of an SMP system. I cannot take locks.[详细]

2022-12-13 05:46 分类：问答
Interlocked and Memory Barriers

I have a question about the following code sample (m_value isn\'t volatile, and every thread runs on a separate processor)[详细]

2022-12-12 00:52 分类：问答
Using memory barriers

In the following code sample, does the memory barrier in FuncA is required to ensure that the most up-to-date value is read?[详细]

2022-12-11 14:49 分类：问答
Lockfree standard collections and tutorial or articles

Does someone know of a good resource for the implementation (meaning source code) of lock-free usual data types. I\'m thinking of Lists, Queues and so on?[详细]

2022-12-11 12:31 分类：问答
Thread-safe, lock-free increment function?

UPDATED: Is there a thread-safe, lock-free and available on all Linux distros increment function availab开发者_如何学Cle in C or C++ ?2021 answer[详细]

2022-12-11 00:16 分类：问答
When are lock free data structures less performant than mutual exclusion (mutexes)?

I read somewhere (can\'t find the page anymore) that lock free data structures are more efficient \"for certain workloads\" which seems to imply that sometimes they\'re actually slower or the gain fro[详细]

2022-12-09 07:32 分类：问答
Do atomic operations become slower as more CPUs are added?

x86 and other architectures provide special atomic instructions (lock, cmpxchg, etc.) that allow you to write \'lock free\' data structures. But as more and more cores are added, it seems as though th[详细]

2022-12-09 07:32 分类：问答
Do atomic operations work the same across processes as they do across threads?

Obviously, atomic operations make sure that different threads don\'t clobber a value. But is this still true across processes, when using shared memory? Even if the processes happen to be scheduled by[详细]

2022-12-09 00:21 分类：问答