Here’s the Python code which extracts a tuple of two Julia arrays from the juliacall interface and converts them to numpy arrays. The code is an infinite loop, but crashes sporadically after a few million iterations with segfault: # juliacall_problem1.py from juliacall import Main as jl import num…

Juliacall / PythonCall array conversion crash (now with MWE)

MilesCranmer August 4, 2025, 3:40pm 5

4 Likes

Topic		Replies	Views
Juliacall / PythonCall array conversion error General Usage interoperability , array , python	0	69	August 3, 2025
PyJulia, passing numpy array from Python side New to Julia pycall , juliacall , pythoncall , pyjulia	13	4366	May 25, 2021
Converting Julia arrays, views to NumPy arrays via PyCall General Usage pycall , pythoncall	7	3018	May 19, 2021
Passing numpy arrays between python and Julia General Usage	3	7089	June 29, 2019
Convert Numpy Arrays to Julia Arrays by Default PythonCall/JuliaCall General Usage question , package , type , juliacall , pythoncall	5	3038	November 28, 2022