| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #include "core/util/include/util.hpp" | ||
| 2 | |||
| 3 | #include <algorithm> | ||
| 4 | #include <array> | ||
| 5 | #include <filesystem> | ||
| 6 | #include <libenvpp/detail/get.hpp> | ||
| 7 | #include <string> | ||
| 8 | |||
| 9 | namespace { | ||
| 10 | |||
| 11 | 336 | std::string GetAbsolutePath(const std::string& relative_path) { | |
| 12 |
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336 | std::filesystem::path path = std::filesystem::path(PPC_PATH_TO_PROJECT) / "tasks" / relative_path; |
| 13 | 336 | return path.string(); | |
| 14 | 336 | } | |
| 15 | |||
| 16 | } // namespace | ||
| 17 | |||
| 18 | 336 | std::string ppc::util::GetAbsoluteTaskPath(const std::string& id_path, const std::string& relative_path) { | |
| 19 |
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336 | std::filesystem::path task_relative = std::filesystem::path(id_path) / "data" / relative_path; |
| 20 |
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672 | return GetAbsolutePath(task_relative.string()); |
| 21 | 336 | } | |
| 22 | |||
| 23 | 561 | int ppc::util::GetNumThreads() { | |
| 24 |
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561 | const auto num_threads = env::get<int>("PPC_NUM_THREADS"); |
| 25 |
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561 | if (num_threads.has_value()) { |
| 26 | 561 | return num_threads.value(); | |
| 27 | } | ||
| 28 | return 1; | ||
| 29 | } | ||
| 30 | |||
| 31 | // List of environment variables that signal the application is running under | ||
| 32 | // an MPI launcher. The array size must match the number of entries to avoid | ||
| 33 | // looking up empty environment variable names. | ||
| 34 | constexpr std::array<std::string_view, 10> kMpiEnvVars = { | ||
| 35 | "OMPI_COMM_WORLD_SIZE", "OMPI_UNIVERSE_SIZE", "PMI_SIZE", "PMI_RANK", "PMI_FD", | ||
| 36 | "HYDRA_CONTROL_FD", "PMIX_RANK", "SLURM_PROCID", "MSMPI_RANK", "MSMPI_LOCALRANK"}; | ||
| 37 | |||
| 38 | 364 | bool ppc::util::IsUnderMpirun() { | |
| 39 | 2772 | return std::ranges::any_of(kMpiEnvVars, [&](const auto& env_var) { | |
| 40 | 2772 | const auto mpi_env = env::get<int>(env_var); | |
| 41 | 2772 | return static_cast<bool>(mpi_env.has_value()); | |
| 42 | 364 | }); | |
| 43 | } | ||
| 44 |