From 2c6f8b145a70594327abaaf08707c4822594b1fb Mon Sep 17 00:00:00 2001 From: Wouter Deconinck Date: Wed, 28 Jan 2026 20:16:00 +0000 Subject: [PATCH 1/4] feat(gsoc): spack debuggable installs --- _gsocorgs/2026/umanitoba.md | 13 ++++ _gsocprojects/2026/project_Spack.md | 9 +++ .../2026/proposal_Spack_DebuggableInstalls.md | 61 ++++++++++++++++++ images/spack-logo-220-LLNL.png | Bin 0 -> 23237 bytes 4 files changed, 83 insertions(+) create mode 100644 _gsocorgs/2026/umanitoba.md create mode 100644 _gsocprojects/2026/project_Spack.md create mode 100644 _gsocproposals/2026/proposal_Spack_DebuggableInstalls.md create mode 100644 images/spack-logo-220-LLNL.png diff --git a/_gsocorgs/2026/umanitoba.md b/_gsocorgs/2026/umanitoba.md new file mode 100644 index 000000000..240cab4c8 --- /dev/null +++ b/_gsocorgs/2026/umanitoba.md @@ -0,0 +1,13 @@ +--- +title: "University of Manitoba" +author: "Wouter Deconinck" +layout: default +organization: umanitoba +logo: UManitoba-logo.png +description: | + The University of Manitoba is a Canadian public research university in the province of Manitoba, + located on original lands of Anishinaabeg, Cree, Oji-Cree, Dakota, and Dene peoples, and on the + homeland of the Métis Nation. +--- + +{% include gsoc_proposal.ext %} diff --git a/_gsocprojects/2026/project_Spack.md b/_gsocprojects/2026/project_Spack.md new file mode 100644 index 000000000..5928932c1 --- /dev/null +++ b/_gsocprojects/2026/project_Spack.md @@ -0,0 +1,9 @@ +--- +project: Spack +layout: default +logo: spack-logo-220-LLNL.png +description: | + [Spack](https://spack.io) is a flexible package manager designed to support multiple versions, configurations, platforms, and compilers. It is widely used in high-performance computing (HPC) environments to manage complex software stacks. +--- + +{% include gsoc_project.ext %} diff --git a/_gsocproposals/2026/proposal_Spack_DebuggableInstalls.md b/_gsocproposals/2026/proposal_Spack_DebuggableInstalls.md new file mode 100644 index 000000000..d70e00620 --- /dev/null +++ b/_gsocproposals/2026/proposal_Spack_DebuggableInstalls.md @@ -0,0 +1,61 @@ +--- +title: Debuggable Installations for Spack Packages +layout: gsoc_proposal +project: Spack +year: 2026 +organization: + - UM +difficulty: medium +duration: 175 +mentor_avail: June-October +project_mentors: + - email: wouter.deconinck@umanitoba.ca + first_name: Wouter + last_name: Deconinck + organization: UM + is_preferred_contact: yes +--- + +## Description + +Spack is a flexible package manager widely used in high-performance computing (HPC) to manage complex software stacks. It is commonly used in scientific computing environments, including particle physics research. For example, the key4HEP project uses Spack to manage software dependencies for high-energy physics applications. + +Spack builds packages from scratch in a staging directory, which is then installed into a Spack-managed prefix. However, this approach can make debugging installation issues challenging, as the build artifacts are not easily accessible after installation. Symbols in the installed binaries may not correspond to the original source files, complicating debugging efforts. + +There are some workarounds to ensuring debuggable installs in Spack, such as using `spack dev-build` or `spack develop`, but these methods have limitations and do not fully address the issue in a streamlined manner. This project will focus on ensuring that the source trees used for compilation can be installed in the prefix alongside the built binaries, allowing for easier debugging and symbol resolution. This project will have to ensure that temporary build products are still cleaned up properly to avoid bloating the installation prefix. + +## Task Ideas + +- Assess the limitations of the current approaches for installing source trees alongside built binaries in Spack +- Develop a robust solution to enable debuggable installs for Spack packages with out-of-source-tree build systems +- Test the implementation with a variety of packages and build systems, with a focus on high-energy physics software + +As a stretch goal, in case of rapid progress, we may consider a next step which involves installing debug symbols in a separate location for access with `debuginfod`. This would allow installed binaries to be stripped of debug symbols, reducing their size and increasing performance, while still providing access to the symbols when needed for debugging. + +## Expected Results and Milestones + +- Familiarization with Spack's build and install processes +- Summarization of current limitations and potential solutions +- Design of a solution for debuggable installs +- Analyze design for anticipated challenges +- Implementation of the solution +- Testing and validation with various packages +- Documentation and integration into Spack + +## Requirements + +- Python programming skills +- Packaging and build system knowledge (in particular CMake) +- Interest in scientific software stacks and high-energy physics + +## AI Policy + +AI assistance is allowed for this contribution. The applicant takes full responsibility for all code and results, disclosing AI use for non-routine tasks (algorithm design, architecture, complex problem-solving). Routine tasks (grammar, formatting, style) do not require disclosure. + +## How to Apply + +Email mentors with a brief background and interest in scientific software stacks and high-energy physics. Please include "gsoc26" in the subject line. 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a/_gsocproposals/2026/proposal_Spack_DebuggableInstalls.md b/_gsocproposals/2026/proposal_Spack_DebuggableInstalls.md index d70e00620..84208cfe6 100644 --- a/_gsocproposals/2026/proposal_Spack_DebuggableInstalls.md +++ b/_gsocproposals/2026/proposal_Spack_DebuggableInstalls.md @@ -4,7 +4,7 @@ layout: gsoc_proposal project: Spack year: 2026 organization: - - UM + - umanitoba difficulty: medium duration: 175 mentor_avail: June-October @@ -12,7 +12,7 @@ project_mentors: - email: wouter.deconinck@umanitoba.ca first_name: Wouter last_name: Deconinck - organization: UM + organization: umanitoba is_preferred_contact: yes --- @@ -27,7 +27,7 @@ There are some workarounds to ensuring debuggable installs in Spack, such as usi ## Task Ideas - Assess the limitations of the current approaches for installing source trees alongside built binaries in Spack -- Develop a robust solution to enable debuggable installs for Spack packages with out-of-source-tree build systems +- Develop a robust solution to enable debuggable installs for Spack packages with out-of-tree build systems - Test the implementation with a variety of packages and build systems, with a focus on high-energy physics software As a stretch goal, in case of rapid progress, we may consider a next step which involves installing debug symbols in a separate location for access with `debuginfod`. This would allow installed binaries to be stripped of debug symbols, reducing their size and increasing performance, while still providing access to the symbols when needed for debugging. From 203121064e8115a8c90cf191f187c6d5bfd26c22 Mon Sep 17 00:00:00 2001 From: Wouter Deconinck Date: Thu, 29 Jan 2026 16:07:34 +0000 Subject: [PATCH 3/4] feat(gsoc): spack AI-assisted off-leading-edge testing --- .../2026/proposal_Spack_AIAssistedTesting.md | 63 +++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 _gsocproposals/2026/proposal_Spack_AIAssistedTesting.md diff --git a/_gsocproposals/2026/proposal_Spack_AIAssistedTesting.md b/_gsocproposals/2026/proposal_Spack_AIAssistedTesting.md new file mode 100644 index 000000000..fdda6f499 --- /dev/null +++ b/_gsocproposals/2026/proposal_Spack_AIAssistedTesting.md @@ -0,0 +1,63 @@ +--- +title: Generative-AI Assisted Testing of Complex Stacks of Spack Packages +layout: gsoc_proposal +project: Spack +year: 2026 +organization: + - umanitoba +difficulty: medium +duration: 175 +mentor_avail: June-October +project_mentors: + - email: wouter.deconinck@umanitoba.ca + first_name: Wouter + last_name: Deconinck + organization: umanitoba + is_preferred_contact: yes +--- + +## Description + +Spack is a flexible package manager widely used in high-performance computing (HPC) to manage complex software stacks. It is commonly used in scientific computing environments, including particle physics research. In high-energy physics (HEP), for example, Spack is used to manage complex software dependencies for the extensive stacks in HEP environments. + +In contrast to traditional package managers, Spack is designed to support multiple versions with multiple variants at the same time. This allows for the necessary flexibility in HEP environments where for reasons of reproducibility and stability we may want to keep some dependencies at older versions while upgrading other dependencies to newer versions. However, this flexibility comes at the cost of increased complexity in testing the Spack packages, where the focus of testing is typically on the leading-edge configurations: the newest versions with the newest dependencies. This can lead to subtle and invisible breakages in configurations where older packages are combined with newer packages in user-defined configurations. + +Based on recent advances in generative AI, it would appear to be feasible to compose specific test scenarios (away from the leading-edge of package versions already tested in CI) that are most likely to uncover breakages in Spack packages. For example, if a package has no upper limits on its dependency versions but other packages do typically have upper limits, then this may indicate that also here upper limits should be added. + +This project will explore how generative AI can be used to assist in the identification and creation of such test scenarios for complex stacks of Spack packages, while at the same time developing a methodology to validate the effectiveness of the generated tests and reduce the probability of running large numbers of ineffective tests or repeated tests. + +## Task Ideas + +- Develop a scalable method to summarize information from multiple Spack packages for input into generative AI models +- Develop a method to record and propagate past successfull test scenarios to avoid generating duplicate tests +- Develop a strategy to schedule and run generated test scenarios in an efficient manner +- Develop a methodology to validate the effectiveness of generated test scenarios in uncovering breakages +- Integrate the automatic test scenarios into Spack's existing continuous integration and testing infrastructure + +## Expected Results and Milestones + +- Familiarization with Spack's packaging practices and testing infrastructure +- Analyze classes of common off-leading-edge configurations that may lead to breakages +- Summarization of potential strategies for generative-AI assisted test generation +- Design of a solution for generative-AI assisted test generation +- Test the design in the context of Spack packages +- Documentation and integration into Spack + +## Requirements + +- Python programming skills +- Generative AI knowledge and experience +- Packaging and build system knowledge +- Interest in scientific software stacks + +## AI Policy + +AI assistance is allowed for this contribution. The applicant takes full responsibility for all code and results, disclosing AI use for non-routine tasks (algorithm design, architecture, complex problem-solving). Routine tasks (grammar, formatting, style) do not require disclosure. + +## How to Apply + +Email mentors with a brief background and interest in scientific software stacks and high-energy physics. Please include "gsoc26" in the subject line. Mentors will provide an evaluation task after submission. + +## Resources + +- [Spack](https://spack.io/) From b49b5055ca22a7ad17657e209ce6b184f2d2bcbd Mon Sep 17 00:00:00 2001 From: Wouter Deconinck Date: Thu, 29 Jan 2026 16:18:07 +0000 Subject: [PATCH 4/4] fix: typo --- _gsocproposals/2026/proposal_Spack_AIAssistedTesting.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/_gsocproposals/2026/proposal_Spack_AIAssistedTesting.md b/_gsocproposals/2026/proposal_Spack_AIAssistedTesting.md index fdda6f499..cd307e676 100644 --- a/_gsocproposals/2026/proposal_Spack_AIAssistedTesting.md +++ b/_gsocproposals/2026/proposal_Spack_AIAssistedTesting.md @@ -29,7 +29,7 @@ This project will explore how generative AI can be used to assist in the identif ## Task Ideas - Develop a scalable method to summarize information from multiple Spack packages for input into generative AI models -- Develop a method to record and propagate past successfull test scenarios to avoid generating duplicate tests +- Develop a method to record and propagate past successful test scenarios to avoid generating duplicate tests - Develop a strategy to schedule and run generated test scenarios in an efficient manner - Develop a methodology to validate the effectiveness of generated test scenarios in uncovering breakages - Integrate the automatic test scenarios into Spack's existing continuous integration and testing infrastructure