Hi Deepak,
Can you try using the “latest” version of the format
(https://support.hdfgroup.org/HDF5/doc/RM/RM_H5P.html#Property-SetLibverBounds
<https://support.hdfgroup.org/HDF5/doc/RM/RM_H5P.html#Property-SetLibverBounds>
) and see if that helps?
Quincey
> On Jul 13, 2017, at 11:14 AM, Deepak 8 Kumar <[email protected]> wrote:
>
> Hello!
>
> I have a HDF5 based application to read the hdf5 file which has almost 3200
> groups and 56000 attributes. The application is using the standard hdf5 api
> and it took almost 11 minutes to read only the groups and attributes. I used
> StopWatch and observed that H5Aopen_name() is taking almost 97 percent of the
> total time. I am using HDF 1.10.1 Windows10 x64.
>
> My question is that is this the expected behavior here with H5Aopen_name()
> or I am not reading it properly?
> What approach we should take in this kind of file with large number of
> attributes?
> Any insight is greatly appreciated.
>
> Thanks,
> Deepak Kumar_______________________________________________
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