public CudaError LaunchKernelWithStreamBinding(
CudaStream stream,
CudaKernel kernel,
RuntimeKernelConfig config,
IntPtr args,
IntPtr kernelArgs)
{
var binding = stream.BindScoped();
var result = LaunchKernel(
kernel.FunctionPtr,
config.GridDim.X,
config.GridDim.Y,
config.GridDim.Z,
config.GroupDim.X,
config.GroupDim.Y,
config.GroupDim.Z,
config.SharedMemoryConfig.DynamicArraySize,
stream.StreamPtr,
args,
kernelArgs);
binding.Recover();
return(result);
}
public CudaError LaunchKernelWithStruct <T>(
CudaStream stream,
CudaKernel kernel,
RuntimeKernelConfig config,
ref T args,
int argsSizeInBytes)
where T : unmanaged
{
// Setup object size
var size = new IntPtr(argsSizeInBytes);
Debug.Assert(
argsSizeInBytes <= Interop.SizeOf <T>(),
"Invalid argument size");
// Pin object buffer in memory
fixed(T *pArgs = &args)
{
// Setup unmanaged launch configuration for the driver
var launchConfig = stackalloc void *[5];
launchConfig[0] = (void *)1; // CU_LAUNCH_PARAM_BUFFER_POINTER
launchConfig[1] = pArgs;
launchConfig[2] = (void *)2; // CU_LAUNCH_PARAM_BUFFER_SIZE
launchConfig[3] = &size;
launchConfig[4] = (void *)0; // CU_LAUNCH_PARAM_END
// Use existing launch configuration
return(LaunchKernelWithStreamBinding(
stream,
kernel,
config,
IntPtr.Zero,
new IntPtr(launchConfig)));
}
}