[Hdf-forum] HDF5 file as a binary stream ?

[Giraudon Cyril]

Thanks you Wermer,

Must I really use a new driver ?
I thought I could use the hdf5_core driver and then manipulate a C
structure.
What should I do if I would to put a memory HDF5 file into a cache system ?

Regards,

Cyril.



Le 20/01/2010 12:26, Werner Benger a écrit :
> Hi Cyril,
>
>  this has been done as part of the German TIKSL project
> ( http://www.zib.de/visual/projects/TIKSL/ ) with the creation
> of the HDF5 Streaming VFD driver, which as of now is available
> through
>
>     http://hdf5-addons.origo.ethz.ch/
>
> It is however currently not actively worked on, so might require
> some code cleanup and revision, though it was recently working with
> HDF5 1.8 .
>
> It does not use MPI, but directly operates on TCP sockets. Thereby
> it does not conflict with an MPI application and can be used within
> some MPI-parallelized code without affecting that one.
>
> Cheers,
>     Werner
>
>
> On Wed, 20 Jan 2010 11:47:08 +0100, Giraudon Cyril
> <cyril.giraudon at free.fr> wrote:
>
>> Hello,
>>
>> I have read HDF5 files can be in-memory structure.
>>
>> That said, is it be possible to the retrieve this HDF5 file as a binary
>> array and send it by the network (as a float array with MPI for
>> instance) ?
>>
>> Thanks a lot,
>>
>> Cyril.
>>
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>>
>>
>
>