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markcmiller86 authored Apr 24, 2024
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Welcome to a conversation about software sustainability engineering in the zfp project as part of the Exascale Computing Project.
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Teams within the Exascale Computing Project ([ECP](https://exascaleproject.org)) worked during 2017-2023 to develop a wide range of advanced software technologies within the Extreme-scale Scientific Software Stack ([E4S](https://bssw.io/blog_posts/software-deployment-bringing-e4s-resources-into-effective-action)), which in turn support a diverse suite of scientific applications. To address the many challenges of advancing new functionality while adapting to emerging exascale architectures, the teams also advanced their software development practices.
Teams within the Exascale Computing Project ([ECP](https://exascaleproject.org)) worked during 2017-2023 to develop a wide range of advanced software technologies within the Extreme-scale Scientific Software Stack ([E4S](https://bssw.io/blog_posts/software-deployment-bringing-e4s-resources-into-effective-action)), which in turn support a diverse suite of scientific applications. To address the many challenges of advancing new functionality while adapting to emerging exascale architectures, the teams also advanced their software development practices.
In this article, the PI for [zfp](https://computing.llnl.gov/projects/zfp), Peter Lindstrom, reflects on efforts advancing those practices.

At its core, [zfp](https://computing.llnl.gov/projects/zfp) is a C library for lossy compression of multi-dimensional arrays of floating point data.
At its core, zfp is a C library for lossy compression of multi-dimensional arrays of floating point data.
Over the course of the ECP, the zfp project was pushed not only to add a number of operational features, including C/C++ language-friendly array types, C/C++/Fortran/Python language bindings, OpenMP and CUDA parallelism and HDF5 integration, but also to harden various *software sustainability engineering* (SSE) practices used in zfp's development.
BSSw.io editor Mark Miller spoke with Peter Lindstrom, who led the ECP zfp project, about his effort to harden the SSE practices of zfp.

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@bernhold
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@markcmiller86 note that the conversation is introduced at line 16 (in your version). I think we need either line 12 or line 16, but not both.

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