Effective Numerical Calculus in Python

Introduction

Demonstrates how to call a C++ class from Python using pybind11 together with MPI. The task is to solve differential equations using Shooting and Seidel methods.

📘Introduction | 🛠️Installation | 👀Project Structure

Installation

Requirements

apt install openmpi
apt install cmake

Project Installation

git clone --recursive https://github.com/Ilyabasharov/cpp-pybind-mpi4py.git
pip install -r requirements.txt
cd cpp-pybind-mpi4py
mkdir -p build && cd build
export CC=gcc
export CXX=g++
cmake ..
make

Basic run

mpirun -n 8 python3 helloWorld.py

Contents

Main files:

• mpi_lib.cpp: C++/MPI library code
• pybind_calc.py: python code that call the C++/MPI library (using pybind11 and mpi4py)