openmpi doesn't have support for cross-memory attach #118
Description
Solution to issue cannot be found in the documentation.
- I checked the documentation.
Issue
I installed openmpi from conda-forge and it doesn't have support for cross-memory attach.
conda create -n test-openmpi python=3.8
conda activate test-openmpi
conda install -c conda-forge mpi4py openmpi
ompi_info --param btl vader -l 3
MCA btl: vader (MCA v2.1.0, API v3.1.0, Component v4.0.4)
MCA btl vader: ---------------------------------------------------
MCA btl vader: parameter "btl_vader_single_copy_mechanism"
(current value: "emulated", data source: default,
level: 3 user/all, type: int)
Single copy mechanism to use (defaults to best
available)
Valid values: 4:"emulated", 3:"none"
MCA btl vader: parameter "btl_vader_backing_directory" (current
value: "/dev/shm", data source: default, level: 3
user/all, type: string)
Directory to place backing files for shared memory
communication. This directory should be on a local
filesystem such as /tmp or /dev/shm (default:
(linux) /dev/shm, (others) session directory)Installed packages
_libgcc_mutex 0.1 main
_openmp_mutex 5.1 1_gnu
ca-certificates 2022.12.7 ha878542_0 conda-forge
certifi 2022.12.7 pyhd8ed1ab_0 conda-forge
ld_impl_linux-64 2.38 h1181459_1
libffi 3.4.2 h6a678d5_6
libgcc-ng 11.2.0 h1234567_1
libgfortran-ng 7.5.0 h14aa051_20 conda-forge
libgfortran4 7.5.0 h14aa051_20 conda-forge
libgomp 11.2.0 h1234567_1
libstdcxx-ng 11.2.0 h1234567_1
mpi 1.0 openmpi conda-forge
mpi4py 3.1.4 py38h3e5f7c9_0
ncurses 6.4 h6a678d5_0
openmpi 4.0.4 hdf1f1ad_0 conda-forge
openssl 1.1.1t h7f8727e_0
pip 23.0.1 py38h06a4308_0
python 3.8.16 h7a1cb2a_3
readline 8.2 h5eee18b_0
setuptools 65.6.3 py38h06a4308_0
sqlite 3.41.1 h5eee18b_0
tk 8.6.12 h1ccaba5_0
wheel 0.38.4 py38h06a4308_0
xz 5.2.10 h5eee18b_1
zlib 1.2.13 h5eee18b_0Environment info
active environment : test-openmpi
active env location : $CONDA_PATH/miniconda3/envs/test-openmpi
shell level : 1
user config file : $HOME_PATH/.condarc
populated config files :
conda version : 4.12.0
conda-build version : not installed
python version : 3.8.13.final.0
virtual packages : __cuda=12.0=0
__linux=5.4.0=0
__glibc=2.31=0
__unix=0=0
__archspec=1=x86_64
base environment : $CONDA_PATH/miniconda3 (writable)
conda av data dir : $CONDA_PATH/miniconda3/etc/conda
conda av metadata url : None
channel URLs : https://repo.anaconda.com/pkgs/main/linux-64
https://repo.anaconda.com/pkgs/main/noarch
https://repo.anaconda.com/pkgs/r/linux-64
https://repo.anaconda.com/pkgs/r/noarch
package cache : $CONDA_PATH/miniconda3/pkgs
$HOME_PATH/.conda/pkgs
envs directories : $CONDA_PATH/miniconda3/envs
$HOME_PATH/.conda/envs
platform : linux-64
user-agent : conda/4.12.0 requests/2.27.1 CPython/3.8.13 Linux/5.4.0-136-generic ubuntu/20.04.4 glibc/2.31
UID:GID : 11815093:22002
netrc file : None
offline mode : False