This section describes the modulation function(s) of the cuPHY application programming interface. More...

Functions
cuphyStatus_t	cuphyModulationGetDescrInfo (size_t pDescrSizeBytes, size_t pDescrAlignBytes)
	: Compute descriptor size and alignment for modulation mapper. More...

cuphyStatus_t	cuphySetupModulation (cuphyModulationLaunchConfig_t modulationLaunchConfig, PdschDmrsParams d_params, cuphyTensorDescriptor_t input_desc, const void modulation_input, int max_num_symbols, int max_bits_per_layer, int num_TBs, PdschPerTbParams workspace, cuphyTensorDescriptor_t output_desc, void modulation_output, void cpu_desc, void gpu_desc, uint8_t enable_desc_async_copy, cudaStream_t strm)
	: Setup modulation mapper component. More...

Detailed Description

Function Documentation

cuphyStatus_t cuphyModulationGetDescrInfo	(	size_t *	pDescrSizeBytes,
		size_t *	pDescrAlignBytes
	)

Parameters

[in,out]	pDescrSizeBytes	Size in bytes of descriptor
[in,out]	pDescrAlignBytes	Alignment in bytes of descriptor

cuphyStatus_t cuphySetupModulation	(	cuphyModulationLaunchConfig_t	modulationLaunchConfig,
		PdschDmrsParams *	d_params,
		cuphyTensorDescriptor_t	input_desc,
		const void *	modulation_input,
		int	max_num_symbols,
		int	max_bits_per_layer,
		int	num_TBs,
		PdschPerTbParams *	workspace,
		cuphyTensorDescriptor_t	output_desc,
		void *	modulation_output,
		void *	cpu_desc,
		void *	gpu_desc,
		uint8_t	enable_desc_async_copy,
		cudaStream_t	strm
	)

Parameters

[in]	modulationLaunchConfig	Pointer to cuphyModulationLaunchConfig.
[in]	d_params	Pointer to PdschDmrsParams on the device. If nullptr, then symbols are allocated contiguously, starting from zero in modulation_output. If not, symbols are allocated in the appropriate Rbs, start position, in the {273*12, 14, 16} modulation_output tensor.
[in]	input_desc	input tensor descriptor; dimension ceil(num_bits/32.0). Not used.
[in]	modulation_input	pointer to input tensor data Data is expected to be contiguously allocated for every layer without any gaps. Each layer should start at a uint32_t aligned boundary.
[in]	max_num_symbols	maximum number of symbols across all TBs.
[in]	max_bits_per_layer	maximum number of bits per layer across all TBs in modulation_input.
[in]	num_TBs	number of Transport Blocks contained in modulation_input
[in]	workspace	pointer to # TBs PerTBParams struct on the device. Only fields G and Qm are used.
[in]	output_desc	output tensor descriptor; dimension (num_bits / modulation_order) if d_params=nullptr or {273*12, 14, 16} otherwise. Not used.
[in,out]	modulation_output	pointer to output tensor (preallocated) Each symbol is a complex number using half-precision for the real and imaginary parts.
[in]	cpu_desc	Pointer to descriptor in CPU memory
[in]	gpu_desc	Pointer to descriptor in GPU memory
[in]	enable_desc_async_copy	async copy CPU descriptor into GPU if set.
[in]	strm	CUDA stream for async copy