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Build, review, debug, and tune PETSc-based solver workflows. Use when working with PETSc `Vec`, `Mat`, `KSP`, `PC`, `SNES`, `TS`, options-database tuning, MPI-distributed assembly, external package integration, or PETSc build and runtime failures.
用 Codex 或 Claude 帮你安装 复制这段 Prompt，粘贴到 Codex、Claude 或其他助手里，让它检查 Skill 页面并帮你完成安装。
基于 SOC 职业分类
| name | hpc-petsc |
| description | Build, review, debug, and tune PETSc-based solver workflows. Use when working with PETSc `Vec`, `Mat`, `KSP`, `PC`, `SNES`, `TS`, options-database tuning, MPI-distributed assembly, external package integration, or PETSc build and runtime failures. |
Treat PETSc as a layered solver toolkit. Start from the highest-level object that matches the mathematical problem and only drop lower when there is a clear reason.
references/solver-stack-and-object-model.md before creating or repairing a PETSc-based solve path.references/ksp-and-pc-matrix.md when selecting Krylov methods, direct solves, or preconditioner families.references/snes-and-ts-patterns.md when the application is nonlinear or time-dependent.references/options-and-ksp-snes-playbook.md when translating runtime options into code or debugging prefix handling.references/runtime-option-matrix.md when selecting monitors, residual diagnostics, or common options-database switches.references/dm-and-discretization-playbook.md when DM, nullspaces, multigrid layout, or field decomposition matter.references/external-backend-matrix.md when deciding whether to route through HYPRE, direct solvers, or matrix-free paths.references/build-and-integration.md when configuring PETSc, enabling external packages, or integrating PETSc into another codebase.references/parallel-and-runtime-debugging.md when a distributed run shows assembly, ownership, convergence, or monitoring problems.references/error-recovery.md when configure, setup, or solve phases fail.KSPSNESTSVec for distributed unknownsMat or matrix-free operator for the linearizationDM when mesh, hierarchy, or field layout must drive assembly and coarseningSNES or TS already manages unless the application truly needs it.Load these on demand:
references/ksp-and-pc-matrix.md for operator-class to solver-family mappingreferences/snes-and-ts-patterns.md for nonlinear and transient workflow designreferences/runtime-option-matrix.md for monitor, logging, and option-database baselinesreferences/dm-and-discretization-playbook.md for DMDA, DMPlex, field splits, and hierarchy-aware setupreferences/external-backend-matrix.md for HYPRE, direct-solver, and matrix-free integration tradeoffsreferences/build-and-integration.md for external package wiring such as HYPRE or direct-solver backendsreferences/parallel-and-runtime-debugging.md for ownership ranges, assembly ordering, monitors, and distributed diagnosticsreferences/error-pattern-dictionary.md for fast matching of common PETSc failure classesUse assets/templates/ when a concrete starting point is faster than rebuilding the solve path from scratch, especially:
ksp_poisson_minimal.cpetsc4py_ksp_minimal.pypetsc_build_example.shpetsc_ksp_slurm.shSummarize:
Create, review, debug, and recover LS-DYNA keyword decks and simulation workflows. Use when working with LS-DYNA `*.k` or `*.key` input files, include trees, explicit crash or impact models, implicit static or quasi-static solves, contact definitions, section and material selection, timestep or mass-scaling control, hourglass stabilization, thermal or coupled workflows, ALE/SPH/ICFD/EM/DEM/CESE/IGA cases, or LS-DYNA runtime instability and model-quality issues.
Build, review, debug, and automate Gmsh geometry and meshing workflows. Use when working with `.geo` scripts, the Gmsh Python API, GEO versus OpenCASCADE modeling, physical groups, mesh-size fields, transfinite or recombine options, boundary layers, structured/unstructured algorithm selection, mesh partitioning, periodic meshes, high-order elements, mesh export and solver handoff (FEniCS, OpenFOAM, Elmer, SU2, etc.), CAD/STL import, or Gmsh CLI and meshing failures.
Generate, review, debug, and recover OpenFOAM case files for CFD workflows. Use when working with OpenFOAM dictionaries, case structure, turbulence fields, boundary conditions, decomposition, numerics, or OpenFOAM runtime errors. Also covers RANS/LES turbulence setup, wall functions, y+ targeting, conjugate heat transfer, compressible flows, VOF multiphase, mesh quality, and scheme tuning.
Build, review, debug, and automate VASP first-principles workflows. Use when working with VASP input sets such as INCAR, POSCAR, KPOINTS, and POTCAR; when choosing SCF, relaxation, static, DOS, or band-structure stages; or when fixing convergence, symmetry, cutoff, and k-point issues. Also covers magnetic calculations, spin-orbit coupling, hybrid functionals, surface slabs, DFT+U, van der Waals, phonons, molecular dynamics, NEB, and defect calculations.
Navigate foundational HPC knowledge across concepts, architectures, schedulers, Linux usage, storage and RDMA, containers, cloud basics, and cluster administration patterns distilled from hpclib.com. Use when the task is about understanding or explaining HPC basics, Slurm or PBS or LSF concepts, Linux-on-cluster workflows, software environment setup, storage or network fundamentals, or when turning general HPC knowledge into future skills.
Build, review, debug, and launch CUDA- and GPU-accelerated HPC workflows. Use when working with `nvcc`, host-compiler compatibility, CUDA-aware MPI, rank-to-GPU mapping, `CUDA_VISIBLE_DEVICES`, Slurm GPU scheduling, GPU memory or stream behavior, or CUDA build and runtime failures.