On Feb 18, 2010, at 4:21 AM, Francesc Alted wrote:
> A Thursday 18 February 2010 10:01:40 Ramakrishnan Iyer escrigué:
>> The difference in file size also varies . It is around 4 KB for smaller
>> files and goes upto 50KB for files of nearly 5 MB size . I do not remove
>> objects in the first file before copying it . The filters are same during
>> the copying process .
>
> Ok. 50 KB out of 5 MB is around a 1%, and I don't think it is very relevant.
>
> I suppose that the difference may come due to the order in which the
> different
> I/O operations are done in the HDF5 file, but somebody more knowledgeable may
> want to chime in to offer a better explanation.
If you are performing the same operations on the HDF5 file, then the
size should be identical. I'm guessing that there's actually different
operations being performed on the files (even if the end result was the same
objects, etc in the file) to cause this.
Quincey
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