python - Pylzma decompression slow down -


I am using py7zlib.py to disassociate a large file with a very high compression rate.

For example, there are 450K small files in a 7z file

First of all, it is well understood.

And then it starts slowing the speed of the decompression to zero ...

500 449981 0% | | ETA: 0:13:09 56 9.14b / s 12500 449981 2% | | ETA: 9:54:04 12.27 b / s

Is there any optimization or parameter to speed up?

Based on this, nothing seems to be appropriate. There is only one: multithreading is turned on by default.

Besides it, it seems strange that there will be a parameter accelerate the stuff


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