dtfft_config_t Interface

public interface dtfft_config_t

Interface to create a new configuration

Calls

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Module Procedures

private pure function config_constructor(enable_log, enable_z_slab, n_measure_warmup_iters, n_measure_iters, platform, stream, backend, enable_mpi_backends, enable_pipelined_backends, enable_nccl_backends, enable_nvshmem_backends, enable_kernel_optimization, n_configs_to_test, force_kernel_optimization) result(config)

Creates a new configuration

Arguments

Type	Intent	Optional	Attributes		Name
logical,	intent(in),	optional		::	enable_log	Should dtFFT use Z-slab optimization or not.
logical,	intent(in),	optional		::	enable_z_slab	Should dtFFT use Z-slab optimization or not.
integer(kind=int32),	intent(in),	optional		::	n_measure_warmup_iters	Number of warmup iterations for measurements
integer(kind=int32),	intent(in),	optional		::	n_measure_iters	Number of measurement iterations
type(dtfft_platform_t),	intent(in),	optional		::	platform	Selects platform to execute plan.
type(dtfft_stream_t),	intent(in),	optional		::	stream	Main CUDA stream that will be used in dtFFT.
type(dtfft_backend_t),	intent(in),	optional		::	backend	Backend that will be used by dtFFT when `effort` is `DTFFT_ESTIMATE` or `DTFFT_MEASURE`.
logical,	intent(in),	optional		::	enable_mpi_backends	Should MPI GPU Backends be enabled when `effort` is `DTFFT_PATIENT` or not.
logical,	intent(in),	optional		::	enable_pipelined_backends	Should pipelined GPU backends be enabled when `effort` is `DTFFT_PATIENT` or not.
logical,	intent(in),	optional		::	enable_nccl_backends	Should NCCL Backends be enabled when `effort` is `DTFFT_PATIENT` or not.
logical,	intent(in),	optional		::	enable_nvshmem_backends	Should NVSHMEM Backends be enabled when `effort` is `DTFFT_PATIENT` or not.
logical,	intent(in),	optional		::	enable_kernel_optimization	Should dtFFT try to optimize NVRTC kernel block size during autotune or not.
integer(kind=int32),	intent(in),	optional		::	n_configs_to_test	Number of top theoretical best performing blocks of threads to test for transposition kernels when `effort` is `DTFFT_PATIENT`.
logical,	intent(in),	optional		::	force_kernel_optimization	Whether to force kernel optimization when `effort` is not `DTFFT_PATIENT`.

Return Value type(dtfft_config_t)

Constructed dtFFT config ready to be set by call to dtfft_set_config