Module openj9.cuda

Package com.ibm.cuda

Class CudaGrid

java.lang.Object

com.ibm.cuda.CudaGrid

public final class CudaGrid
extends Object

The CudaGrid class represents a kernel launch configuration.

Field Summary

Fields

Modifier and Type	Field	Description
final int	blockDimX	The size of the thread block in the x dimension.
final int	blockDimY	The size of the thread block in the y dimension.
final int	blockDimZ	The size of the thread block in the z dimension.
final int	gridDimX	The size of the grid in the x dimension.
final int	gridDimY	The size of the grid in the y dimension.
final int	gridDimZ	The size of the grid in the z dimension.
final int	sharedMemBytes	The number of bytes of shared memory to allocate to each thread block.
final CudaStream	stream	The stream on which the kernel should be queued (or null for the default stream).

Constructor Summary

Constructors

Constructor	Description
CudaGrid(int gridDim, int blockDim)	Creates a grid with the specified x dimensions with no shared memory on the default stream.
CudaGrid(int gridDim, int blockDim, int sharedMemBytes)	Creates a grid with the specified x dimensions and shared memory size on the default stream.
CudaGrid(int gridDim, int blockDim, int sharedMemBytes, CudaStream stream)	Creates a grid with the specified x dimensions and shared memory size on the specified stream.
CudaGrid(int gridDim, int blockDim, CudaStream stream)	Creates a grid with the specified x dimensions with no shared memory on the specified stream.
CudaGrid(Dim3 gridDim, Dim3 blockDim)	Creates a grid with the specified dimensions, with no shared memory on the default stream.
CudaGrid(Dim3 gridDim, Dim3 blockDim, int sharedMemBytes)	Creates a grid with the specified dimensions and shared memory size on the default stream.
CudaGrid(Dim3 gridDim, Dim3 blockDim, int sharedMemBytes, CudaStream stream)	Creates a grid with the specified dimensions and shared memory size on the specified stream.
CudaGrid(Dim3 gridDim, Dim3 blockDim, CudaStream stream)	Creates a grid with the specified dimensions with no shared memory on the specified stream.

Method Summary

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

blockDimX

public final int blockDimX

The size of the thread block in the x dimension.

blockDimY

public final int blockDimY

The size of the thread block in the y dimension.

blockDimZ

public final int blockDimZ

The size of the thread block in the z dimension.

gridDimX

public final int gridDimX

The size of the grid in the x dimension.

gridDimY

public final int gridDimY

The size of the grid in the y dimension.

gridDimZ

public final int gridDimZ

The size of the grid in the z dimension.

sharedMemBytes

public final int sharedMemBytes

The number of bytes of shared memory to allocate to each thread block.

stream

public final CudaStream stream

The stream on which the kernel should be queued (or null for the default stream).

Constructor Details

CudaGrid

public CudaGrid(Dim3 gridDim,
 Dim3 blockDim)

Creates a grid with the specified dimensions, with no shared memory on the default stream.

Parameters:

gridDim - the dimensions of the grid

blockDim - the dimensions of the thread block

CudaGrid

public CudaGrid(Dim3 gridDim,
 Dim3 blockDim,
 CudaStream stream)

Creates a grid with the specified dimensions with no shared memory on the specified stream.

Parameters:

gridDim - the dimensions of the grid

blockDim - the dimensions of the thread block

stream - the stream on which the kernel should be queued (or null for the default stream)

CudaGrid

public CudaGrid(Dim3 gridDim,
 Dim3 blockDim,
 int sharedMemBytes)

Creates a grid with the specified dimensions and shared memory size on the default stream.

Parameters:

gridDim - the dimensions of the grid

blockDim - the dimensions of the thread block

sharedMemBytes - the number of bytes of shared memory to allocate to each thread block

CudaGrid

public CudaGrid(Dim3 gridDim,
 Dim3 blockDim,
 int sharedMemBytes,
 CudaStream stream)

Creates a grid with the specified dimensions and shared memory size on the specified stream.

Parameters:

gridDim - the dimensions of the grid

blockDim - the dimensions of the thread block

sharedMemBytes - the number of bytes of shared memory to allocate to each thread block

stream - the stream on which the kernel should be queued (or null for the default stream)

CudaGrid

public CudaGrid(int gridDim,
 int blockDim)

Creates a grid with the specified x dimensions with no shared memory on the default stream. The y and z dimensions are set to 1.

Parameters:

gridDim - the x dimension of the grid

blockDim - the x dimension of the thread block

CudaGrid

public CudaGrid(int gridDim,
 int blockDim,
 CudaStream stream)

Creates a grid with the specified x dimensions with no shared memory on the specified stream. The y and z dimensions are set to 1.

Parameters:

gridDim - the x dimension of the grid

blockDim - the x dimension of the thread block

stream - the stream on which the kernel should be queued (or null for the default stream)

CudaGrid

public CudaGrid(int gridDim,
 int blockDim,
 int sharedMemBytes)

Creates a grid with the specified x dimensions and shared memory size on the default stream. The y and z dimensions are set to 1.

Parameters:

gridDim - the x dimension of the grid

blockDim - the x dimension of the thread block

sharedMemBytes - the number of bytes of shared memory to allocate to each thread block

CudaGrid

public CudaGrid(int gridDim,
 int blockDim,
 int sharedMemBytes,
 CudaStream stream)

Creates a grid with the specified x dimensions and shared memory size on the specified stream. The y and z dimensions are set to 1.

Parameters:

gridDim - the x dimension of the grid

blockDim - the x dimension of the thread block

sharedMemBytes - the number of bytes of shared memory to allocate to each thread block

stream - the stream on which the kernel should be queued (or null for the default stream)