I have a large object that I want to save to the disk because it takes a minute to generate. The OOM reaper kills the process while pickle.dump ing the object.

It’s a tuple of dicts of tuple of array.array.

Can pickle dump in chunks? If not, is there another technique I can use?

  • alehc
    link
    fedilink
    arrow-up
    5
    ·
    2 years ago

    You mean numpy arrays? I think the most efficient way to store them is via np.save. You could try creating a new directory and store all of your arrays there with clever file naming to retrieve the dictionary structure later.

    Alternatively if you are up to trying to use pytorch you can convert the arrays to tensors and use torch.save to save the entire dictionary in one file. Installing pytorch just for this might be a bit overkill as it is a >1GB installation tho.

    • lntlOP
      link
      fedilink
      arrow-up
      2
      ·
      2 years ago

      It’s a tuple of dicts of tuples of array.array, no numpy or torch :(

      • alehc
        link
        fedilink
        arrow-up
        3
        ·
        edit-2
        2 years ago

        So python standard library lists?