[Numpy-discussion] fast numpy i/o

Neal Becker ndbecker2@gmail....
Tue Jun 21 12:58:25 CDT 2011


Neal Becker wrote:

> I'm wondering what are good choices for fast numpy array serialization?
> 
> mmap: fast, but I guess not self-describing?
> hdf5: ?
> pickle: self-describing, but maybe not fast?
> others?

I think, in addition, that hdf5 is the only one that easily interoperates with 
matlab?

speaking of hdf5, I see:

pyhdf5io  0.7 - Python module containing high-level hdf5 load and save 
functions.
h5py  2.0.0 - Read and write HDF5 files from Python

Any thoughts on the relative merits of these?



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