Spack is a flexible, configurable, Python-based, and open-source HPC package manager. Spack automates the installation and fine-tuning of simulations and libraries, operating on a wide variety of HPC platforms and enabling users to build many code configurations. Version 0.13.2 contains major performance improvements for Spack environments, such as:
- allow missing modules if they are blacklisted
- speed up environment activation
- not modifying run-env if a spec is not installed
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