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Haskell IORef usage in concurrent setting
I am having hard time to understand Haskell's memory model. I got stuck implementing a simple lock-free hash map and while trying to reproduce the error on a smaller example I realized I have no idea ...
ekim boran
Votes: 0
Answers: 1
Truly Lock-free MPMC Ring Buffer? Threads able to assist each other to avoid blocking?
This question is inspired by Lock-free Progress Guarantees. The code shown is not strictly lock-free. Whenever a writer thread is suspended when the queue is not empty or not full, the reader threads...
Nimrod
Votes: 0
Answers: 1
Is a memory barrier required to read a value that is atomically modified?
Given the following:
class Foo
{
public:
void Increment()
{
_InterlockedIncrement(&m_value); // OSIncrementAtomic
}
long GetValue()
{
return m_value;
}
pr...
Mark Ingram
Votes: 0
Answers: 3
Synchronization with "versioning" in c++
Please consider the following synchronization problem:
initially:
version = 0 // atomic variable
data = 0 // normal variable (there could be many)
Thread A:
version...
Kiuhnm
Votes: 0
Answers: 1