RooBatchCompute::CUDA Namespace Reference

Classes
class	RooBatchComputeClass
	This class overrides some RooBatchComputeInterface functions, for the purpose of providing a cuda specific implementation of the library. More...

Functions
std::vector< void(*)(Batches &)>	getFunctions ()
__global__ void	kahanSum (const double *__restrict__ input, const double *__restrict__ carries, size_t n, double *__restrict__ result, bool nll)
__device__ void	kahanSumReduction (double *shared, size_t n, double *__restrict__ result, int carry_index)
__device__ void	kahanSumUpdate (double &sum, double &carry, double a, double otherCarry)
__global__ void	nllSumKernel (const double *__restrict__ probas, const double *__restrict__ weights, const double *__restrict__ offsetProbas, size_t n, double *__restrict__ result)

Variables
constexpr int	blockSize = 512
static RooBatchComputeClass	computeObj
	Static object to trigger the constructor which overwrites the dispatch pointer.

Function Documentation

getFunctions()

std::vector< void(*)(Batches &)> RooBatchCompute::CUDA::getFunctions

(

)

kahanSum()

__global__ void RooBatchCompute::CUDA::kahanSum	(	const double *__restrict__	input,
		const double *__restrict__	carries,
		size_t	n,
		double *__restrict__	result,
		bool	nll )

Definition at line 211 of file RooBatchCompute.cu.

kahanSumReduction()

__device__ void RooBatchCompute::CUDA::kahanSumReduction ( double * shared, size_t n, double *__restrict__ result, int carry_index )

inline

Definition at line 194 of file RooBatchCompute.cu.

kahanSumUpdate()

__device__ void RooBatchCompute::CUDA::kahanSumUpdate ( double & sum, double & carry, double a, double otherCarry )

inline

Definition at line 180 of file RooBatchCompute.cu.

nllSumKernel()

__global__ void RooBatchCompute::CUDA::nllSumKernel	(	const double *__restrict__	probas,
		const double *__restrict__	weights,
		const double *__restrict__	offsetProbas,
		size_t	n,
		double *__restrict__	result )

Definition at line 241 of file RooBatchCompute.cu.

Variable Documentation

blockSize

int RooBatchCompute::CUDA::blockSize = 512

constexpr

Definition at line 34 of file RooBatchCompute.cu.

computeObj

RooBatchComputeClass RooBatchCompute::CUDA::computeObj

static

Static object to trigger the constructor which overwrites the dispatch pointer.

Definition at line 545 of file RooBatchCompute.cu.