151 lines
6.6 KiB
Markdown
151 lines
6.6 KiB
Markdown
# <img src="https://cdn.rawgit.com/spack/spack/develop/share/spack/logo/spack-logo.svg" width="64" valign="middle" alt="Spack"/> Spack
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[](https://github.com/spack/spack/actions)
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[](https://github.com/spack/spack/actions/workflows/bootstrap.yml)
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[](https://codecov.io/gh/spack/spack)
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[](https://github.com/spack/spack/actions/workflows/build-containers.yml)
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[](https://spack.readthedocs.io)
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[](https://github.com/psf/black)
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[](https://slack.spack.io)
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[](https://matrix.to/#/#spack-space:matrix.org)
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Spack is a multi-platform package manager that builds and installs
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multiple versions and configurations of software. It works on Linux,
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macOS, and many supercomputers. Spack is non-destructive: installing a
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new version of a package does not break existing installations, so many
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configurations of the same package can coexist.
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Spack offers a simple "spec" syntax that allows users to specify versions
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and configuration options. Package files are written in pure Python, and
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specs allow package authors to write a single script for many different
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builds of the same package. With Spack, you can build your software
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*all* the ways you want to.
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See the
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[Feature Overview](https://spack.readthedocs.io/en/latest/features.html)
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for examples and highlights.
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To install spack and your first package, make sure you have Python.
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Then:
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$ git clone -c feature.manyFiles=true https://github.com/spack/spack.git
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$ cd spack/bin
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$ ./spack install zlib
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Documentation
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----------------
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[**Full documentation**](https://spack.readthedocs.io/) is available, or
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run `spack help` or `spack help --all`.
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For a cheat sheet on Spack syntax, run `spack help --spec`.
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Tutorial
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----------------
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We maintain a
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[**hands-on tutorial**](https://spack.readthedocs.io/en/latest/tutorial.html).
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It covers basic to advanced usage, packaging, developer features, and large HPC
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deployments. You can do all of the exercises on your own laptop using a
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Docker container.
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Feel free to use these materials to teach users at your organization
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about Spack.
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Community
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------------------------
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Spack is an open source project. Questions, discussion, and
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contributions are welcome. Contributions can be anything from new
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packages to bugfixes, documentation, or even new core features.
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Resources:
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* **Slack workspace**: [spackpm.slack.com](https://spackpm.slack.com).
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To get an invitation, visit [slack.spack.io](https://slack.spack.io).
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* **Matrix space**: [#spack-space:matrix.org](https://matrix.to/#/#spack-space:matrix.org).
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* [**Github Discussions**](https://github.com/spack/spack/discussions): not just for discussions, also Q&A.
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* **Mailing list**: [groups.google.com/d/forum/spack](https://groups.google.com/d/forum/spack)
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* **Twitter**: [@spackpm](https://twitter.com/spackpm). Be sure to
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`@mention` us!
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Contributing
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------------------------
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Contributing to Spack is relatively easy. Just send us a
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[pull request](https://help.github.com/articles/using-pull-requests/).
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When you send your request, make ``develop`` the destination branch on the
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[Spack repository](https://github.com/spack/spack).
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Your PR must pass Spack's unit tests and documentation tests, and must be
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[PEP 8](https://www.python.org/dev/peps/pep-0008/) compliant. We enforce
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these guidelines with our CI process. To run these tests locally, and for
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helpful tips on git, see our
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[Contribution Guide](https://spack.readthedocs.io/en/latest/contribution_guide.html).
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Spack's `develop` branch has the latest contributions. Pull requests
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should target `develop`, and users who want the latest package versions,
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features, etc. can use `develop`.
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Releases
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--------
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For multi-user site deployments or other use cases that need very stable
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software installations, we recommend using Spack's
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[stable releases](https://github.com/spack/spack/releases).
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Each Spack release series also has a corresponding branch, e.g.
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`releases/v0.14` has `0.14.x` versions of Spack, and `releases/v0.13` has
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`0.13.x` versions. We backport important bug fixes to these branches but
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we do not advance the package versions or make other changes that would
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change the way Spack concretizes dependencies within a release branch.
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So, you can base your Spack deployment on a release branch and `git pull`
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to get fixes, without the package churn that comes with `develop`.
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The latest release is always available with the `releases/latest` tag.
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See the [docs on releases](https://spack.readthedocs.io/en/latest/developer_guide.html#releases)
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for more details.
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Code of Conduct
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------------------------
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Please note that Spack has a
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[**Code of Conduct**](.github/CODE_OF_CONDUCT.md). By participating in
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the Spack community, you agree to abide by its rules.
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Authors
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----------------
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Many thanks go to Spack's [contributors](https://github.com/spack/spack/graphs/contributors).
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Spack was created by Todd Gamblin, tgamblin@llnl.gov.
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### Citing Spack
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If you are referencing Spack in a publication, please cite the following paper:
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* Todd Gamblin, Matthew P. LeGendre, Michael R. Collette, Gregory L. Lee,
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Adam Moody, Bronis R. de Supinski, and W. Scott Futral.
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[**The Spack Package Manager: Bringing Order to HPC Software Chaos**](https://www.computer.org/csdl/proceedings/sc/2015/3723/00/2807623.pdf).
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In *Supercomputing 2015 (SC’15)*, Austin, Texas, November 15-20 2015. LLNL-CONF-669890.
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On GitHub, you can copy this citation in APA or BibTeX format via the "Cite this repository"
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button. Or, see the comments in `CITATION.cff` for the raw BibTeX.
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License
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----------------
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Spack is distributed under the terms of both the MIT license and the
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Apache License (Version 2.0). Users may choose either license, at their
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option.
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All new contributions must be made under both the MIT and Apache-2.0
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licenses.
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See [LICENSE-MIT](https://github.com/spack/spack/blob/develop/LICENSE-MIT),
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[LICENSE-APACHE](https://github.com/spack/spack/blob/develop/LICENSE-APACHE),
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[COPYRIGHT](https://github.com/spack/spack/blob/develop/COPYRIGHT), and
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[NOTICE](https://github.com/spack/spack/blob/develop/NOTICE) for details.
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SPDX-License-Identifier: (Apache-2.0 OR MIT)
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LLNL-CODE-811652
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