Add CI: build and smoke-test on Kokkos Serial + Open MPI - #8
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August 9, 2026 17:59
Runs on every pull request and on pushes to main. Installs Open MPI, builds Kokkos 5.1.1 from source (there is no apt package), configures the CMake build added in #6, and runs a 32^3 Taylor-Green case on 2 ranks for 20 steps. The Kokkos version is pinned rather than tracking a branch, so an upstream release cannot turn an unrelated PR red. Serial rather than OpenMP: this job exists to catch code that does not compile or crashes, and dropping the thread scheduler removes one source of nondeterminism from a failure report. Scope: the smoke test proves the solver runs to completion, not that the answer is correct -- a NaN velocity field would still exit 0 and pass. Physical verification comes in a follow-up.
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Runs on every pull request and on pushes to main. Installs Open MPI, builds
Kokkos 5.1.1 from source (there is no apt package), configures the CMake build
added in #6, and runs a 32^3 Taylor-Green case on 2 ranks for 20 steps.
The Kokkos version is pinned rather than tracking a branch, so an upstream
release cannot turn an unrelated PR red. Serial rather than OpenMP: this job
exists to catch code that does not compile or crashes, and dropping the thread
scheduler removes one source of nondeterminism from a failure report.
Scope: the smoke test proves the solver runs to completion, not that the answer
is correct -- a NaN velocity field would still exit 0 and pass. Physical
verification comes in a follow-up.