Your message dated Mon, 19 Jun 2023 19:38:33 +0200
with message-id <[email protected]>
and subject line Re: Bug#1038650: libnetcdf19: build support for parallel io
has caused the Debian Bug report #1038650,
regarding libnetcdf19: build support for parallel io
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1038650: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1038650
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--- Begin Message ---
Package: libnetcdf19
Version: 1:4.9.2-1
Severity: normal
netcdf is currently built against the serial variant of hdf5
(libhdf5_serial.so.103).
But hdf5 provides a parallel build
e.g. libhdf5_openmpi.so.103.3.1
via libhdf5-mpi-dev
netcdf can be configured to support parallel io
https://salsa.debian.org/debian-gis-team/netcdf/-/blob/master/INSTALL.md#building-with-parallel-io-support-build_parallel
In principle parallel io could allow for much faster reading and
writing of large data files.
Should netcdf be configured to start enabling parallel io?
Or would it be useful to provide both serial and parallel variants
like hdf5 does?
--- End Message ---
--- Begin Message ---
tags 1038650 wontfix
thanks
On 6/19/23 19:25, Drew Parsons wrote:
Should netcdf be configured to start enabling parallel io?
Or would it be useful to provide both serial and parallel variants
like hdf5 does?
No, see prior discussion on the debian-gis list:
https://lists.debian.org/debian-gis/2018/04/msg00020.html
If you need MPI netcdf, use netcdf-parallel:
https://tracker.debian.org/pkg/netcdf-parallel
Kind Regards,
Bas
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