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mpi: send asynchronous e blocking?
2019 Community Moderator ElectionAsynchronous vs Multithreading - Is there a difference?C++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ programming?What is the purpose of Looper and how to use it?MPI blocking receive semanticsMPI Send and receive questionsDisplay a MPI typemapUpdate array between MPI processesInfluence of send modes to MPI overhead in non-blocking point-to-point communicationHow does MPI blocking send and receive work?Deadlock with asynchronous non-blocking MPI
I'm studying mpi and i read that the standard mode is asynchronous and blocking. But i don't understand how does it works.
If it is asynchronous, how can it be also blocking?
If a process calls "send" and then do other stuff, why it is blocking?
multithreading mpi
asked Mar 6 at 15:22
penny89penny89
711210
add a comment |
I'm studying mpi and i read that the standard mode is asynchronous and blocking. But i don't understand how does it works.
If it is asynchronous, how can it be also blocking?
If a process calls "send" and then do other stuff, why it is blocking?
multithreading mpi
asked Mar 6 at 15:22
penny89penny89
711210
1
That's just wrong or at the very least imprecise. Where did you read that? I recommend instead reading section 3.4 of the official MPI specification.
– Zulan
Mar 6 at 15:46
MPI_SSend()is a synchronous and blocking send.MPI_Send()is a blocking send but is not a synchronous one. as @Zulan pointed, you should read (again) that chapter since in MPI non synchronous is likely not to mean what you expect.
– Gilles Gouaillardet
Mar 7 at 0:02
add a comment |
I'm studying mpi and i read that the standard mode is asynchronous and blocking. But i don't understand how does it works.
If it is asynchronous, how can it be also blocking?
If a process calls "send" and then do other stuff, why it is blocking?
multithreading mpi
asked Mar 6 at 15:22
penny89penny89
711210
I'm studying mpi and i read that the standard mode is asynchronous and blocking. But i don't understand how does it works.
If it is asynchronous, how can it be also blocking?
If a process calls "send" and then do other stuff, why it is blocking?
multithreading mpi
multithreading mpi
asked Mar 6 at 15:22
penny89penny89
711210
asked Mar 6 at 15:22
penny89penny89
711210
asked Mar 6 at 15:22
penny89penny89
711210
asked Mar 6 at 15:22
penny89penny89
711210
asked Mar 6 at 15:22
penny89penny89
711210
711210
1
That's just wrong or at the very least imprecise. Where did you read that? I recommend instead reading section 3.4 of the official MPI specification.
– Zulan
Mar 6 at 15:46
MPI_SSend()is a synchronous and blocking send.MPI_Send()is a blocking send but is not a synchronous one. as @Zulan pointed, you should read (again) that chapter since in MPI non synchronous is likely not to mean what you expect.
– Gilles Gouaillardet
Mar 7 at 0:02
add a comment |
1
That's just wrong or at the very least imprecise. Where did you read that? I recommend instead reading section 3.4 of the official MPI specification.
– Zulan
Mar 6 at 15:46
MPI_SSend()is a synchronous and blocking send.MPI_Send()is a blocking send but is not a synchronous one. as @Zulan pointed, you should read (again) that chapter since in MPI non synchronous is likely not to mean what you expect.
– Gilles Gouaillardet
Mar 7 at 0:02
1
1
That's just wrong or at the very least imprecise. Where did you read that? I recommend instead reading section 3.4 of the official MPI specification.
– Zulan
Mar 6 at 15:46
That's just wrong or at the very least imprecise. Where did you read that? I recommend instead reading section 3.4 of the official MPI specification.
– Zulan
Mar 6 at 15:46
MPI_SSend() is a synchronous and blocking send. MPI_Send() is a blocking send but is not a synchronous one. as @Zulan pointed, you should read (again) that chapter since in MPI non synchronous is likely not to mean what you expect.– Gilles Gouaillardet
Mar 7 at 0:02
MPI_SSend() is a synchronous and blocking send. MPI_Send() is a blocking send but is not a synchronous one. as @Zulan pointed, you should read (again) that chapter since in MPI non synchronous is likely not to mean what you expect.– Gilles Gouaillardet
Mar 7 at 0:02
add a comment |
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That's just wrong or at the very least imprecise. Where did you read that? I recommend instead reading section 3.4 of the official MPI specification.
– Zulan
Mar 6 at 15:46
MPI_SSend()is a synchronous and blocking send.MPI_Send()is a blocking send but is not a synchronous one. as @Zulan pointed, you should read (again) that chapter since in MPI non synchronous is likely not to mean what you expect.– Gilles Gouaillardet
Mar 7 at 0:02