I meet performance is low when I use struct.unpack to unpack binary data. So I tried to use numpy.ndarray But meet error when I want to unpack multiple dtypes
Can anyone teach me~
Code like below:
# python3
import struct
import numpy as np
s1 = struct.Struct("@QIQ")
ss1 = s1.pack(1,11,111)
np.ndarray((3,), [('Q','I','Q')], ss1)
# ValueError: mismatch in size of old and new data-descriptor.
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