JuliaPy / PyCall.jl

Package to call Python functions from the Julia language
MIT License
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`Segmentation fault(core dumped)` when using multiple threads #1078

Open wly2014 opened 4 months ago

wly2014 commented 4 months ago

I first make multiple copies of a PyObject, and then access them in multiple threads. Finally, I meet this error. julia -t5

using PyCall

py"""
class A():
    x = 0.0
a = A()
"""

alist = [deepcopy(py"a") for i in 1:10]
# @show alist

for j in 1:100
    Threads.@threads for i in 1:10
        alist[i].x
    end
end

Julia version

Julia Version 1.9.3
Commit bed2cd540a1 (2023-08-24 14:43 UTC)
Build Info:
  Official https://julialang.org/ release
Platform Info:
  OS: Linux (x86_64-linux-gnu)
  LIBM: libopenlibm
  LLVM: libLLVM-14.0.6 (ORCJIT, goldmont)

Thanks.