jcuda.jcusolver

Class JCusolverMg

java.lang.Object

jcuda.jcusolver.JCusolverMg

public class JCusolverMg
extends Object

Java bindings for CUSOLVER, the NVIDIA CUDA solver library.

The documentation is taken from the CUSOLVER header files.

Method Summary

Modifier and Type	Method and Description
static int	cusolverMgCreate(cusolverMgHandle handle)
static int	cusolverMgCreateDeviceGrid(cudaLibMgGrid grid, int numRowDevices, int numColDevices, int[] deviceId, int mapping) Allocates resources related to the shared memory device grid..
static int	cusolverMgCreateMatrixDesc(cudaLibMgMatrixDesc desc, long numRows, long numCols, long rowBlockSize, long colBlockSize, int dataType, cudaLibMgGrid grid) Allocates resources related to the distributed matrix descriptor..
static int	cusolverMgDestroy(cusolverMgHandle handle)
static int	cusolverMgDestroyGrid(cudaLibMgGrid grid) Releases the allocated resources related to the distributed grid..
static int	cusolverMgDestroyMatrixDesc(cudaLibMgMatrixDesc desc) Releases the allocated resources related to the distributed matrix descriptor..
static int	cusolverMgDeviceSelect(cusolverMgHandle handle, int nbDevices, int[] deviceId)
static int	cusolverMgGetrf_bufferSize(cusolverMgHandle handle, int M, int N, Pointer[] array_d_A, int IA, int JA, cudaLibMgMatrixDesc descrA, int[][] array_d_IPIV, int computeType, int[] lwork)
static int	cusolverMgGetrf(cusolverMgHandle handle, int M, int N, Pointer[] array_d_A, int IA, int JA, cudaLibMgMatrixDesc descrA, int[][] array_d_IPIV, int computeType, Pointer[] array_d_work, long lwork, Pointer info)
static int	cusolverMgGetrs_bufferSize(cusolverMgHandle handle, int TRANS, int N, int NRHS, Pointer[] array_d_A, int IA, int JA, cudaLibMgMatrixDesc descrA, int[][] array_d_IPIV, Pointer[] array_d_B, int IB, int JB, cudaLibMgMatrixDesc descrB, int computeType, int[] lwork)
static int	cusolverMgGetrs(cusolverMgHandle handle, int TRANS, int N, int NRHS, Pointer[] array_d_A, int IA, int JA, cudaLibMgMatrixDesc descrA, int[][] array_d_IPIV, Pointer[] array_d_B, int IB, int JB, cudaLibMgMatrixDesc descrB, int computeType, Pointer[] array_d_work, long lwork, Pointer info)
static int	cusolverMgPotrf_bufferSize(cusolverMgHandle handle, int uplo, int N, Pointer[] array_d_A, int IA, int JA, cudaLibMgMatrixDesc descrA, int computeType, int[] lwork)
static int	cusolverMgPotrf(cusolverMgHandle handle, int uplo, int N, Pointer[] array_d_A, int IA, int JA, cudaLibMgMatrixDesc descrA, int computeType, Pointer[] array_d_work, long lwork, Pointer h_info)
static int	cusolverMgPotri_bufferSize(cusolverMgHandle handle, int uplo, int N, Pointer[] array_d_A, int IA, int JA, cudaLibMgMatrixDesc descrA, int computeType, int[] lwork)
static int	cusolverMgPotri(cusolverMgHandle handle, int uplo, int N, Pointer[] array_d_A, int IA, int JA, cudaLibMgMatrixDesc descrA, int computeType, Pointer[] array_d_work, long lwork, Pointer h_info)
static int	cusolverMgPotrs_bufferSize(cusolverMgHandle handle, int uplo, int n, int nrhs, Pointer[] array_d_A, int IA, int JA, cudaLibMgMatrixDesc descrA, Pointer[] array_d_B, int IB, int JB, cudaLibMgMatrixDesc descrB, int computeType, int[] lwork)
static int	cusolverMgPotrs(cusolverMgHandle handle, int uplo, int n, int nrhs, Pointer[] array_d_A, int IA, int JA, cudaLibMgMatrixDesc descrA, Pointer[] array_d_B, int IB, int JB, cudaLibMgMatrixDesc descrB, int computeType, Pointer[] array_d_work, long lwork, Pointer h_info)
static int	cusolverMgSyevd_bufferSize(cusolverMgHandle handle, int jobz, int uplo, int N, Pointer[] array_d_A, int IA, int JA, cudaLibMgMatrixDesc descrA, Pointer W, int dataTypeW, int computeType, int[] lwork)
static int	cusolverMgSyevd(cusolverMgHandle handle, int jobz, int uplo, int N, Pointer[] array_d_A, int IA, int JA, cudaLibMgMatrixDesc descrA, Pointer W, int dataTypeW, int computeType, Pointer[] array_d_work, long lwork, Pointer info)

Methods inherited from class java.lang.Object

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

Method Detail

cusolverMgCreate

public static int cusolverMgCreate(cusolverMgHandle handle)

cusolverMgDestroy

public static int cusolverMgDestroy(cusolverMgHandle handle)

cusolverMgDeviceSelect

public static int cusolverMgDeviceSelect(cusolverMgHandle handle,
                                         int nbDevices,
                                         int[] deviceId)

cusolverMgCreateDeviceGrid

public static int cusolverMgCreateDeviceGrid(cudaLibMgGrid grid,
                                             int numRowDevices,
                                             int numColDevices,
                                             int[] deviceId,
                                             int mapping)

 Allocates resources related to the shared memory device grid..

Parameters:

grid - (out) the opaque data strcuture that holds the grid

numRowDevices - (in) number of devices in the row

numColDevices - (in) number of devices in the column

deviceId - (in) This array of size height * width stores the device-ids of the 2D grid; each entry must correspond to a valid gpu or to -1 (denoting CPU).

mapping - (in) whether the 2D grid is in row/column major

Returns:

the status code

cusolverMgDestroyGrid

public static int cusolverMgDestroyGrid(cudaLibMgGrid grid)

 Releases the allocated resources related to the distributed grid..

Parameters:

grid - (in) the opaque data strcuture that holds the distributed grid

Returns:

the status code

cusolverMgCreateMatrixDesc

public static int cusolverMgCreateMatrixDesc(cudaLibMgMatrixDesc desc,
                                             long numRows,
                                             long numCols,
                                             long rowBlockSize,
                                             long colBlockSize,
                                             int dataType,
                                             cudaLibMgGrid grid)

 Allocates resources related to the distributed matrix descriptor..

Parameters:

desc - (out) the opaque data strcuture that holds the descriptor

numRows - (in) number of total rows

numCols - (in) number of total columns

rowBlockSize - (in) row block size

colBlockSize - (in) column block size

dataType - (in) the data type of each element in cudaDataType

grid - (in) the opaque data structure of the distributed grid

Returns:

the status code

cusolverMgDestroyMatrixDesc

public static int cusolverMgDestroyMatrixDesc(cudaLibMgMatrixDesc desc)

 Releases the allocated resources related to the distributed matrix descriptor..

Parameters:

desc - (in) the opaque data strcuture that holds the descriptor

Returns:

the status code

cusolverMgSyevd_bufferSize

public static int cusolverMgSyevd_bufferSize(cusolverMgHandle handle,
                                             int jobz,
                                             int uplo,
                                             int N,
                                             Pointer[] array_d_A,
                                             int IA,
                                             int JA,
                                             cudaLibMgMatrixDesc descrA,
                                             Pointer W,
                                             int dataTypeW,
                                             int computeType,
                                             int[] lwork)

cusolverMgSyevd

public static int cusolverMgSyevd(cusolverMgHandle handle,
                                  int jobz,
                                  int uplo,
                                  int N,
                                  Pointer[] array_d_A,
                                  int IA,
                                  int JA,
                                  cudaLibMgMatrixDesc descrA,
                                  Pointer W,
                                  int dataTypeW,
                                  int computeType,
                                  Pointer[] array_d_work,
                                  long lwork,
                                  Pointer info)

cusolverMgGetrf_bufferSize

public static int cusolverMgGetrf_bufferSize(cusolverMgHandle handle,
                                             int M,
                                             int N,
                                             Pointer[] array_d_A,
                                             int IA,
                                             int JA,
                                             cudaLibMgMatrixDesc descrA,
                                             int[][] array_d_IPIV,
                                             int computeType,
                                             int[] lwork)

cusolverMgGetrf

public static int cusolverMgGetrf(cusolverMgHandle handle,
                                  int M,
                                  int N,
                                  Pointer[] array_d_A,
                                  int IA,
                                  int JA,
                                  cudaLibMgMatrixDesc descrA,
                                  int[][] array_d_IPIV,
                                  int computeType,
                                  Pointer[] array_d_work,
                                  long lwork,
                                  Pointer info)

cusolverMgGetrs_bufferSize

public static int cusolverMgGetrs_bufferSize(cusolverMgHandle handle,
                                             int TRANS,
                                             int N,
                                             int NRHS,
                                             Pointer[] array_d_A,
                                             int IA,
                                             int JA,
                                             cudaLibMgMatrixDesc descrA,
                                             int[][] array_d_IPIV,
                                             Pointer[] array_d_B,
                                             int IB,
                                             int JB,
                                             cudaLibMgMatrixDesc descrB,
                                             int computeType,
                                             int[] lwork)

cusolverMgGetrs

public static int cusolverMgGetrs(cusolverMgHandle handle,
                                  int TRANS,
                                  int N,
                                  int NRHS,
                                  Pointer[] array_d_A,
                                  int IA,
                                  int JA,
                                  cudaLibMgMatrixDesc descrA,
                                  int[][] array_d_IPIV,
                                  Pointer[] array_d_B,
                                  int IB,
                                  int JB,
                                  cudaLibMgMatrixDesc descrB,
                                  int computeType,
                                  Pointer[] array_d_work,
                                  long lwork,
                                  Pointer info)

cusolverMgPotrf_bufferSize

public static int cusolverMgPotrf_bufferSize(cusolverMgHandle handle,
                                             int uplo,
                                             int N,
                                             Pointer[] array_d_A,
                                             int IA,
                                             int JA,
                                             cudaLibMgMatrixDesc descrA,
                                             int computeType,
                                             int[] lwork)

cusolverMgPotrf

public static int cusolverMgPotrf(cusolverMgHandle handle,
                                  int uplo,
                                  int N,
                                  Pointer[] array_d_A,
                                  int IA,
                                  int JA,
                                  cudaLibMgMatrixDesc descrA,
                                  int computeType,
                                  Pointer[] array_d_work,
                                  long lwork,
                                  Pointer h_info)

cusolverMgPotrs_bufferSize

public static int cusolverMgPotrs_bufferSize(cusolverMgHandle handle,
                                             int uplo,
                                             int n,
                                             int nrhs,
                                             Pointer[] array_d_A,
                                             int IA,
                                             int JA,
                                             cudaLibMgMatrixDesc descrA,
                                             Pointer[] array_d_B,
                                             int IB,
                                             int JB,
                                             cudaLibMgMatrixDesc descrB,
                                             int computeType,
                                             int[] lwork)

cusolverMgPotrs

public static int cusolverMgPotrs(cusolverMgHandle handle,
                                  int uplo,
                                  int n,
                                  int nrhs,
                                  Pointer[] array_d_A,
                                  int IA,
                                  int JA,
                                  cudaLibMgMatrixDesc descrA,
                                  Pointer[] array_d_B,
                                  int IB,
                                  int JB,
                                  cudaLibMgMatrixDesc descrB,
                                  int computeType,
                                  Pointer[] array_d_work,
                                  long lwork,
                                  Pointer h_info)

cusolverMgPotri_bufferSize

public static int cusolverMgPotri_bufferSize(cusolverMgHandle handle,
                                             int uplo,
                                             int N,
                                             Pointer[] array_d_A,
                                             int IA,
                                             int JA,
                                             cudaLibMgMatrixDesc descrA,
                                             int computeType,
                                             int[] lwork)

cusolverMgPotri

public static int cusolverMgPotri(cusolverMgHandle handle,
                                  int uplo,
                                  int N,
                                  Pointer[] array_d_A,
                                  int IA,
                                  int JA,
                                  cudaLibMgMatrixDesc descrA,
                                  int computeType,
                                  Pointer[] array_d_work,
                                  long lwork,
                                  Pointer h_info)