49   struct PetscDeviceContext_IMPLS {  struct in Petsc::device::cupm::impl::DeviceContext
50     stream_type stream{};
51     cupmEvent_t event{};
52     cupmEvent_t begin{}; // timer-only
53     cupmEvent_t end{};   // timer-only
55     PetscBool timerInUse{};
56     PetscBool EnergyMeterInUse{};
58     cupmBlasHandle_t   blas{};
59     cupmSolverHandle_t solver{};
61     nvmlDevice_t       nvmlHandle{};
62     unsigned long long energymeterbegin{};
63     unsigned long long energymeterend{};
68 …_NODISCARD const cupmStream_t &get(stream_tag) const noexcept { return this->stream.get_stream(); }  in get()
70     PETSC_NODISCARD const cupmBlasHandle_t &get(blas_tag) const noexcept { return this->blas; }  in get()
72 …  PETSC_NODISCARD const cupmSolverHandle_t &get(solver_tag) const noexcept { return this->solver; }  in get()