mpi4py

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Feb 1

ERROR: Could not build wheels for mpi4py, which is required to install pyproject.toml-based projects

Hello there, I am Pamely. I am trying to install the requirements.txt for the microsoft FLUTE

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ERROR: Could not build wheels for mpi4py, which is required to install pyproject.toml-based projects

Hello there, I am Pamely. I am trying to install the requirements.txt for the microsoft FLUTE

Feb 1

Iaroslav Igoshev, Marcin Rogowski4

Jan 30

mpi4py.futures: MPI-Based Asynchronous Task Execution for Python

Hi Marcin Rogowski, Thank you very much for the responses. That makes sense to me. Kind regards,

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mpi4py.futures: MPI-Based Asynchronous Task Execution for Python

Hi Marcin Rogowski, Thank you very much for the responses. That makes sense to me. Kind regards,

Jan 30

Iaroslav Igoshev

Jan 30

Performance of Ray plasma vs MPI communication

Hi mpi4py team, Me and my team have been measuring the performance of Ray plasma (shared object

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Performance of Ray plasma vs MPI communication

Hi mpi4py team, Me and my team have been measuring the performance of Ray plasma (shared object

Jan 30

Pavankumar Koratikere, Lisandro Dalcin3

Jan 28

Redirect stdout from MPI_Comm_spawn to a file in mpi4py

I found a way to do this by changing the file descriptor from python using os.dup(). On Wednesday,

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Redirect stdout from MPI_Comm_spawn to a file in mpi4py

I found a way to do this by changing the file descriptor from python using os.dup(). On Wednesday,

Jan 28

Andrei Kulikovsky, Lisandro Dalcin2

Jan 25

undefined symbol: MPI_Aint_add

What's the output of the following command? ldd /home/andrei/miniconda3/envs/Dbc_Nx_Lcab/lib/

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undefined symbol: MPI_Aint_add

What's the output of the following command? ldd /home/andrei/miniconda3/envs/Dbc_Nx_Lcab/lib/

Jan 25

zahra saebi monfared, Lisandro Dalcin2

Jan 25

encoding dataset for Aprori algorithm

I believe you posted your question to the wrong group. On Thursday, 19 January 2023 at 22:11:23 UTC+3

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encoding dataset for Aprori algorithm

I believe you posted your question to the wrong group. On Thursday, 19 January 2023 at 22:11:23 UTC+3

Jan 25

adoudou djibrine

Jan 10

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Jan 10

Pavankumar Koratikere, Lisandro Dalcin4

12/31/22

mpi4py enters deadlock after using spawn

I got a solution for this problem. I have posted it on stack overflow: https://stackoverflow.com/

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mpi4py enters deadlock after using spawn

I got a solution for this problem. I have posted it on stack overflow: https://stackoverflow.com/

12/31/22

Sung H Jung, Lisandro Dalcin2

12/29/22

Changing mpicc in mpi.cfg manually. Is this ok?

The mpi.cfg file within the mpi4py installation is only for informative purposes and is not intended

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Changing mpicc in mpi.cfg manually. Is this ok?

The mpi.cfg file within the mpi4py installation is only for informative purposes and is not intended

12/29/22

Bernstein, Noam CIV USN NRL (6393) Washington DC (USA), Lisandro Dalcin8

12/8/22

bcast returning different objects in different ranks

On Thu, 8 Dec 2022 at 10:47, 'Bernstein, Noam CIV USN NRL (6393) Washington DC (USA)' via

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bcast returning different objects in different ranks

On Thu, 8 Dec 2022 at 10:47, 'Bernstein, Noam CIV USN NRL (6393) Washington DC (USA)' via

12/8/22

11/23/22

MPI Parallel code to find prime numbers between 10000 to 100000

this is my code, it cause segmentation fault when I run this.. no compilation errors. can anyone

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MPI Parallel code to find prime numbers between 10000 to 100000

this is my code, it cause segmentation fault when I run this.. no compilation errors. can anyone

11/23/22

mani raman, Lisandro Dalcin2

11/22/22

Issue with compiling mpi4py and python 3.9 on centOS

You are trying to install mpi4py within a conda environment. conda-forge uses to install compiler

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Issue with compiling mpi4py and python 3.9 on centOS

You are trying to install mpi4py within a conda environment. conda-forge uses to install compiler

11/22/22

Jacob Wren, Lisandro Dalcin7

11/21/22

Gathering dictionaries

On Mon, 21 Nov 2022 at 18:34 Jacob Wren <jacob...@gmail.com> wrote: Hi Lisandro, >

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Gathering dictionaries

On Mon, 21 Nov 2022 at 18:34 Jacob Wren <jacob...@gmail.com> wrote: Hi Lisandro, >

11/21/22

John Liefeld, Lisandro Dalcin3

9/15/22

Building mpi4py against cuda

Lisandro, Thanks. Your suggestions are in line with what I thought. I did contact our admins this

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Building mpi4py against cuda

Lisandro, Thanks. Your suggestions are in line with what I thought. I did contact our admins this

9/15/22

Zhihao Cui, … Lisandro Dalcin3

9/15/22

displacement overflow during the Scatterv

Dear Ahmed, What kind of data are you trying to communicate? Just NumPy arrays? Or Python classes

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displacement overflow during the Scatterv

Dear Ahmed, What kind of data are you trying to communicate? Just NumPy arrays? Or Python classes

9/15/22

Βούλα Θυμιοπούλου, Lisandro Dalcin2

7/25/22

On Wed, 20 Jul 2022 at 10:56, 'Βούλα Θυμιοπούλου' via mpi4py <mpi...@googlegroups.com>

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On Wed, 20 Jul 2022 at 10:56, 'Βούλα Θυμιοπούλου' via mpi4py <mpi...@googlegroups.com>

7/25/22

2/23/22

MPI point to point communication code error

Hello Everyone, I am new to this group. I got error when I try to write down a mpi point to point

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MPI point to point communication code error

Hello Everyone, I am new to this group. I got error when I try to write down a mpi point to point

2/23/22

Lisandro Dalcin

1/18/22

Anyone still using Windows 32bit?

Dear all, I'm considering the removal of Windows 32bit (aka x86) from mpi4py's CI

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Anyone still using Windows 32bit?

Dear all, I'm considering the removal of Windows 32bit (aka x86) from mpi4py's CI

1/18/22

1/15/22

logging and MPIPoolExecutor

I hope this is the right place to ask this question. I am trying to set up logging while using an

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logging and MPIPoolExecutor

I hope this is the right place to ask this question. I am trying to set up logging while using an

1/15/22

11/24/21

How to scatter/send all possible column pairs to the child processes and find coherence between the columns using python mpi4py? Parallel computation

I've a big matrix/2D array for which every possible column-pair I need to find the coherence by

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How to scatter/send all possible column pairs to the child processes and find coherence between the columns using python mpi4py? Parallel computation

I've a big matrix/2D array for which every possible column-pair I need to find the coherence by

11/24/21

11/16/21

How can i integrate my own Allreduce (C implemented) on mpi4py ?

▲ I have a problem. I wrote an Allreduce in C language myself. But I'm not familiar with python.

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How can i integrate my own Allreduce (C implemented) on mpi4py ?

▲ I have a problem. I wrote an Allreduce in C language myself. But I'm not familiar with python.

11/16/21

Lisandro Dalcin

11/4/21

[ANN] mpi4py release 3.1.2

**WARNING**: This is the last release supporting Python 2. * `mpi4py.futures`: Add `_max_workers`

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[ANN] mpi4py release 3.1.2

**WARNING**: This is the last release supporting Python 2. * `mpi4py.futures`: Add `_max_workers`

11/4/21

Pavel Ponomarev, … Lisandro Dalcin12

10/31/21

mpi4py and subprocess.Popen

On Fri, 29 Oct 2021 at 13:40, Iustin Ouatu <iusti...@gmail.com> wrote: Dear All, I might

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mpi4py and subprocess.Popen

On Fri, 29 Oct 2021 at 13:40, Iustin Ouatu <iusti...@gmail.com> wrote: Dear All, I might

10/31/21

Michael Thomadakis, Lisandro Dalcin3

10/12/21

Issues with compiling mpi4py and Python 3.10 for IntelMPI

Actually downgrading python to 3.8 allows us to build mpi2py. Michael On Mon, Oct 11, 2021 at 11:53

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Issues with compiling mpi4py and Python 3.10 for IntelMPI

Actually downgrading python to 3.8 allows us to build mpi2py. Michael On Mon, Oct 11, 2021 at 11:53

10/12/21

Lisandro Dalcin

8/12/21

[ANN] mpi4py release 3.1.0

Many thanks to Leo Fang (@leofang) for helping with this release and his GPU-related contributions. *

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[ANN] mpi4py release 3.1.0

Many thanks to Leo Fang (@leofang) for helping with this release and his GPU-related contributions. *

8/12/21

Partha Sarathi Pal

5/29/21

Problem in mpi4py point to point communication

Hi, I am trying to write a parallel python script with mpi4py. I am facing one problem while

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Problem in mpi4py point to point communication

Hi, I am trying to write a parallel python script with mpi4py. I am facing one problem while

5/29/21

chri...@grothesque.org, … Lisandro Dalcin6

5/15/21

Segmentation fault caused by "import numpy as np; from mpi4py import MPI"

Lisandro Dalcin wrote: > On Tue, 11 May 2021 at 18:19, chri...@grothesque.org wrote: > >

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Segmentation fault caused by "import numpy as np; from mpi4py import MPI"

Lisandro Dalcin wrote: > On Tue, 11 May 2021 at 18:19, chri...@grothesque.org wrote: > >

5/15/21

afylot, Lisandro Dalcin2

5/4/21

combining mpi4py and multiprocessing

On Mon, 3 May 2021 at 17:11, afylot <afy...@gmail.com> wrote: I was wondering if this strategy

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combining mpi4py and multiprocessing

On Mon, 3 May 2021 at 17:11, afylot <afy...@gmail.com> wrote: I was wondering if this strategy

5/4/21

Luigi Marongiu, Lisandro Dalcin2

4/14/21

error with mpi4py even if installed

My best guess is that your environment is broken. Looks like the python interpreter you are executing

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error with mpi4py even if installed

My best guess is that your environment is broken. Looks like the python interpreter you are executing

4/14/21

brunetto, … Hannad Hussein7

3/18/21

scatter numpy/scipy objects

Hi all, I am not sure if I am lucky enough to get a response since this thread has been offline for

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scatter numpy/scipy objects

Hi all, I am not sure if I am lucky enough to get a response since this thread has been offline for

3/18/21

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