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Particle Container: local=False for non-MPI #224

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Merged
ax3l merged 1 commit into from
Nov 20, 2023
Merged

Particle Container: local=False for non-MPI #224

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10 changes: 9 additions & 1 deletion src/amrex/ParticleContainer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@ def pc_to_df(self, local=True, comm=None, root_rank=0):
self : amrex.ParticleContainer_*
A ParticleContainer class in pyAMReX
local : bool
MPI-local particles
MPI rank-local particles only
comm : MPI Communicator
if local is False, this defaults to mpi4py.MPI.COMM_WORLD
root_rank : MPI root rank to gather to
Expand All @@ -31,6 +31,14 @@ def pc_to_df(self, local=True, comm=None, root_rank=0):
"""
import pandas as pd

# silently ignore local=False for non-MPI runs
if local is False:
from inspect import getmodule

amr = getmodule(self)
if not amr.Config.have_mpi:
local = True

# create a DataFrame per particle box and append it to the list of
# local DataFrame(s)
dfs_local = []
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