Hi Folks,

Python seems unstable, when allocating big memory. For example, the following C++ code creates a tuple of tuples:

 PyObject* arCoord = PyTuple_New(n);
 double d = 1.5;
 for(int i=0; i<n; i++)
   {
     PyObject* coord = PyTuple_New(2);
     PyTuple_SetItem(coord,0, PyFloat_FromDouble(d));//x
     PyTuple_SetItem(coord,1, PyFloat_FromDouble(d));//y
     PyTuple_SetItem(arCoord,i, coord);
   }

When the n is small, say 100, the code works fine. when n is big, say 10,000, Python has trouble allocating memory, saying:

"Exception exceptions.IndexError: 'tuple index out of range' in 'garbage collection' ignored
Fatal Python error: unexpected exception during garbage collection
Aborted"


Could anyone please give me some insight or a fix for this?

Thanks in advance for your answer.

Jinming Xu

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