Compute APIs Table

Term	CUDA	HIP	OpenCL
Device	int deviceId	int deviceId	cl_device
Queue	cudaStream_t	hipStream_t	cl_command_queue
Event	cudaEvent_t	hipEvent_t	cl_event
Memory	void *	void *	cl_mem
	grid	grid	NDRange
	block	block	work-group
	thread	thread	work-item
	warp	warp	sub-group

Grid dim	gridDim.x	hipGridDim_x	get_global_size(0)
Block dim	blockDim.x	hipBlockDim_x	get_local_size(0)
Block index	blockIdx.x	hipBlockIdx_x	get_group_id(0)
Thread index	threadIdx.x	hipThreadIdx_x	get_local_id(0)

Device Function	__device__	__device__	In device Compilation
Host Function	__host__	__host__	In host Compilation
Host + Device Function	__device__ __host__	__device__ __host__	No
Kernel Launch	<<< >>>	hipLaunchKernel	clEnqueueNDRangeKernel

Global Memory	__global__	__global__	__global
Group Memory	__shared__	__shared__	__local
Constant	__constant__	__constant__	__constant