Parallel-NetCDF Parallel-NetCDF is a library providing high-performance I/O while still maintaining file-format compatibility.
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parallel netCDF I/O performance file-format compatibility Unidata NetCDF Unidata

Parallel-NetCDF Description

Parallel-NetCDF is a library providing high-performance I/O while still maintaining file-format compatibility. Parallel-NetCDF is a library providing high-performance I/O while still maintaining file-format compatibility with Unidata's NetCDF.NetCDF gives scientific programmers a space-efficient and portable means for storing data. However, it does so in a serial manner, making it difficult to achieve high I/O performance. By making some small changes to the API specified by NetCDF, we can use MPI-IO and its collective operations.A note about Large File SupportAs of parallel-netcdf-0.9.2, we ship with support for "CDF-2" formated data. With this format, even 32 bit platforms can create netcdf datasets greater than 2GB in size. See the file README.large_files in the source tree for more information.The maintainers of the serial NetCDF library added support for the CDF-2 format in netcdf-3.6.0. The support was based largely on work from Greg Sjaardema.File and Variable LimitsBoth Parallel-netCDF and NetCDF share limitations on file and variable sizes. More information can be found on the FileLimits page.Required SoftwareParallel-NetCDF requires an MPI implementation with MPI-IO support. Most MPI libraries have this nowadays. A parallel file system would also go a long way towards achieving highest performance.What's New in This Release:· This is primarily a bugfix release, collecting all the fixes and improvements since 1.0.1.

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