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Gilles Gouaillardet

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1490.17 (4,413,325th) 		Reputation
4,609 (36,109th)
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What is Segmented Ring Allreduce in OpenMPI (V2.0.2)? How is it pip... 0.00
Which allreduce algorithm is used for large vectors (200MB+) in Ope... 0.00
Neighborhood collectives-reduce operation 0.00
Hybrid Parallelism: MPI and TBB -3.97
Collect global top-k from each node's list in MPI +2.04
mpi4py Send() complaining about wrong number of arguments 0.00
What does "Top level reordering" mean? 0.00
MPI_Ibcast + MPI_Test couldn't receive data -2.07
How do I compile a C++ file that uses both MPI and HDF5? 0.00
MPI Cartesian Topology: MPI_Neighbor_alltoall wrong data received 0.00
MPI Cartesian Topology: MPI_Neighbor_alltoall sends wrong data 0.00
Error in sending/receiving by multi-threads in hybrid openMP/MPI code 0.00
Using MPI on Slurm, is there a way to send messages between separat... -2.21
MPI handling of two programs exchanging data 0.00
MPI create MPI_Datatype from struct containing structs with structs... +4.99
MPI hang on persistance calling +3.94
How to I determine the local node placement of tasks in MPI +0.00
Is it dangerous to return MPI_Request and MPI_Status objects by val... -3.81
How to safely switch to another communicator in MPI 0.00
Sending a column of a dynamically allocated 2d array in MPI 0.00
Is it okay to pass MPI_Request by value? 0.00
MPI Binary File I/O Basic Function and Performance Questions 0.00
Why does mpi message passing seem to speed up? 0.00
How to use intel parallel studio and openmpi at the same time? 0.00
Is it possible and how to get a list of cores on which my mpi job i... 0.00
mpirun doesnt work and ask to change TMPDIR variable to /tmp 0.00
Curious about how to specify the number of core for MPI in order to... +3.98
Determine number of processes in a MPMD for each program 0.00
Best case for sending and receiving messages in MPI in a ring form 0.00
MPI:point-to-point blocking (MPI_Send & MPI_Recv) 0.00
Read input integer from external file for MPI 0.00
What is the MPI run-time doing for calls not sending data (MPI_Comm... 0.00
MPI. Maximum number of communicators and processes 0.00
Using Gatherv for 2d Arrays in Fortran 0.00
segmentation fault with fortran MPI_Barrier 0.00
MPI_Waitany() or MPI_Recv() with MPI_ANY_SOURCE? -4.00