Interface CudaSupportFunctions

All Known Implementing Classes:
DoublePrecisionCudaSupportFunctions, SinglePrecisionCudaSupportFunctions

public interface CudaSupportFunctions
DESIGN DOCUMENTATION FOR SUPPORTING LOWER PRECISION: 1. SystemDS.cu has been templatized in following way to support different datatype: - Similar to CuBLAS and CuSPARSE, the global kernels have the datatype specification in their name (for example: f for float and d for datatpe). But unlike CuBLAS and CuSPARSE, these are suffixes so as to simplify the engine. - The global kernels with datatype specification invoke a corresponding templatized kernel (without suffix) which contains the core logic. - The suffixes are added in JCudaKernels's launchKernel method before invocation. For example: template < typename T > __device__ void matrix_atan(T *A, T *C, unsigned int size) { int index = blockIdx.x * blockDim.x + threadIdx.x; if (index < size){ C[index] = atan(A[index]); } } extern "C" __global__ void matrix_atand(double *A, double *C, unsigned int size) { matrix_atan(A, C, size); } extern "C" __global__ void matrix_atanf(float *A, float *C, unsigned int size) { matrix_atan(A, C, size); } 2. The CUDA library calls (such as CuBLAS, CuSPARSE, etc) go through this interface. The naming and parameters of the methods in this class are consistent with that of CUDA library to simplify development. 3. During SystemDS initialization, the appropriate class implementing CudaKernels interface is set based on the configuration property sysds.dataType.
  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final boolean
     
  • Method Summary

    Modifier and Type
    Method
    Description
    int
    cublasaxpy(jcuda.jcublas.cublasHandle handle, int n, jcuda.Pointer alpha, jcuda.Pointer x, int incx, jcuda.Pointer y, int incy)
     
    int
    cublasdot(jcuda.jcublas.cublasHandle handle, int n, jcuda.Pointer x, int incx, jcuda.Pointer y, int incy, jcuda.Pointer result)
     
    int
    cublasgeam(jcuda.jcublas.cublasHandle handle, int transa, int transb, int m, int n, jcuda.Pointer alpha, jcuda.Pointer A, int lda, jcuda.Pointer beta, jcuda.Pointer B, int ldb, jcuda.Pointer C, int ldc)
     
    int
    cublasgemm(jcuda.jcublas.cublasHandle handle, int transa, int transb, int m, int n, int k, jcuda.Pointer alpha, jcuda.Pointer A, int lda, jcuda.Pointer B, int ldb, jcuda.Pointer beta, jcuda.Pointer C, int ldc)
     
    int
    cublasgemv(jcuda.jcublas.cublasHandle handle, int trans, int m, int n, jcuda.Pointer alpha, jcuda.Pointer A, int lda, jcuda.Pointer x, int incx, jcuda.Pointer beta, jcuda.Pointer y, int incy)
     
    int
    cublassyrk(jcuda.jcublas.cublasHandle handle, int uplo, int trans, int n, int k, jcuda.Pointer alpha, jcuda.Pointer A, int lda, jcuda.Pointer beta, jcuda.Pointer C, int ldc)
     
    int
    cublastrsm(jcuda.jcublas.cublasHandle handle, int side, int uplo, int trans, int diag, int m, int n, jcuda.Pointer alpha, jcuda.Pointer A, int lda, jcuda.Pointer B, int ldb)
     
    int
    cusolverDngeqrf(jcuda.jcusolver.cusolverDnHandle handle, int m, int n, jcuda.Pointer A, int lda, jcuda.Pointer TAU, jcuda.Pointer Workspace, int Lwork, jcuda.Pointer devInfo)
     
    int
    cusolverDngeqrf_bufferSize(jcuda.jcusolver.cusolverDnHandle handle, int m, int n, jcuda.Pointer A, int lda, int[] Lwork)
     
    int
    cusolverDnormqr(jcuda.jcusolver.cusolverDnHandle handle, int side, int trans, int m, int n, int k, jcuda.Pointer A, int lda, jcuda.Pointer tau, jcuda.Pointer C, int ldc, jcuda.Pointer work, int lwork, jcuda.Pointer devInfo)
     
    int
    cusparsecsr2csc(jcuda.jcusparse.cusparseHandle handle, int m, int n, int nnz, jcuda.Pointer csrVal, jcuda.Pointer csrRowPtr, jcuda.Pointer csrColInd, jcuda.Pointer cscVal, jcuda.Pointer cscRowInd, jcuda.Pointer cscColPtr, int copyValues, int idxBase)
     
    int
    cusparsecsr2dense(jcuda.jcusparse.cusparseHandle handle, int m, int n, jcuda.jcusparse.cusparseMatDescr descrA, jcuda.Pointer csrValA, jcuda.Pointer csrRowPtrA, jcuda.Pointer csrColIndA, jcuda.Pointer A, int lda, long nnz)
     
    int
    cusparsecsrgeam(jcuda.jcusparse.cusparseHandle handle, int m, int n, jcuda.Pointer alpha, jcuda.jcusparse.cusparseMatDescr descrA, int nnzA, jcuda.Pointer csrValA, jcuda.Pointer csrRowPtrA, jcuda.Pointer csrColIndA, jcuda.Pointer beta, jcuda.jcusparse.cusparseMatDescr descrB, int nnzB, jcuda.Pointer csrValB, jcuda.Pointer csrRowPtrB, jcuda.Pointer csrColIndB, jcuda.jcusparse.cusparseMatDescr descrC, jcuda.Pointer csrValC, jcuda.Pointer csrRowPtrC, jcuda.Pointer csrColIndC)
     
    int
    cusparsecsrgemm(jcuda.jcusparse.cusparseHandle handle, int transA, int transB, int alg, jcuda.jcusparse.cusparseSpMatDescr spMatDescrA, jcuda.jcusparse.cusparseSpMatDescr spMatDescrB, jcuda.jcusparse.cusparseSpMatDescr spMatDescrC, jcuda.jcusparse.cusparseSpGEMMDescr spgemmDescr)
     
    int
    cusparsecsrmm2(jcuda.jcusparse.cusparseHandle handle, int transa, int transb, int m, int n, int k, int nnz, jcuda.Pointer alpha, jcuda.jcusparse.cusparseMatDescr descrA, jcuda.jcusparse.cusparseSpMatDescr spMatDescrA, jcuda.Pointer csrValA, jcuda.Pointer csrRowPtrA, jcuda.Pointer csrColIndA, jcuda.Pointer B, int ldb, jcuda.Pointer beta, jcuda.Pointer C, int ldc)
     
    int
    cusparsecsrmv(jcuda.jcusparse.cusparseHandle handle, int transA, int m, int n, int nnz, jcuda.Pointer alpha, jcuda.jcusparse.cusparseSpMatDescr spMatDescrA, jcuda.jcusparse.cusparseMatDescr descrA, jcuda.Pointer csrValA, jcuda.Pointer csrRowPtrA, jcuda.Pointer csrColIndA, jcuda.Pointer x, jcuda.Pointer beta, jcuda.Pointer y)
     
    int
    cusparsedense2csr(jcuda.jcusparse.cusparseHandle handle, int m, int n, jcuda.jcusparse.cusparseMatDescr descrA, jcuda.Pointer A, int lda, jcuda.Pointer nnzPerRow, jcuda.Pointer csrValA, jcuda.Pointer csrRowPtrA, jcuda.Pointer csrColIndA)
     
    int
    cusparsennz(jcuda.jcusparse.cusparseHandle handle, int dirA, int m, int n, jcuda.jcusparse.cusparseMatDescr descrA, jcuda.Pointer A, int lda, jcuda.Pointer nnzPerRowCol, jcuda.Pointer nnzTotalDevHostPtr)
     
    void
    deviceToHost(GPUContext gCtx, jcuda.Pointer src, double[] dest, String instName, boolean isEviction)
     
    void
    hostToDevice(GPUContext gCtx, double[] src, jcuda.Pointer dest, String instName)
     
  • Field Details

    • PERFORM_CONVERSION_ON_DEVICE

      static final boolean PERFORM_CONVERSION_ON_DEVICE
      See Also:
  • Method Details

    • cusparsecsrgemm

      int cusparsecsrgemm(jcuda.jcusparse.cusparseHandle handle, int transA, int transB, int alg, jcuda.jcusparse.cusparseSpMatDescr spMatDescrA, jcuda.jcusparse.cusparseSpMatDescr spMatDescrB, jcuda.jcusparse.cusparseSpMatDescr spMatDescrC, jcuda.jcusparse.cusparseSpGEMMDescr spgemmDescr)
    • cublasgeam

      int cublasgeam(jcuda.jcublas.cublasHandle handle, int transa, int transb, int m, int n, jcuda.Pointer alpha, jcuda.Pointer A, int lda, jcuda.Pointer beta, jcuda.Pointer B, int ldb, jcuda.Pointer C, int ldc)
    • cusparsecsrmv

      int cusparsecsrmv(jcuda.jcusparse.cusparseHandle handle, int transA, int m, int n, int nnz, jcuda.Pointer alpha, jcuda.jcusparse.cusparseSpMatDescr spMatDescrA, jcuda.jcusparse.cusparseMatDescr descrA, jcuda.Pointer csrValA, jcuda.Pointer csrRowPtrA, jcuda.Pointer csrColIndA, jcuda.Pointer x, jcuda.Pointer beta, jcuda.Pointer y)
    • cusparsecsrmm2

      int cusparsecsrmm2(jcuda.jcusparse.cusparseHandle handle, int transa, int transb, int m, int n, int k, int nnz, jcuda.Pointer alpha, jcuda.jcusparse.cusparseMatDescr descrA, jcuda.jcusparse.cusparseSpMatDescr spMatDescrA, jcuda.Pointer csrValA, jcuda.Pointer csrRowPtrA, jcuda.Pointer csrColIndA, jcuda.Pointer B, int ldb, jcuda.Pointer beta, jcuda.Pointer C, int ldc)
    • cublasdot

      int cublasdot(jcuda.jcublas.cublasHandle handle, int n, jcuda.Pointer x, int incx, jcuda.Pointer y, int incy, jcuda.Pointer result)
    • cublasgemv

      int cublasgemv(jcuda.jcublas.cublasHandle handle, int trans, int m, int n, jcuda.Pointer alpha, jcuda.Pointer A, int lda, jcuda.Pointer x, int incx, jcuda.Pointer beta, jcuda.Pointer y, int incy)
    • cublasgemm

      int cublasgemm(jcuda.jcublas.cublasHandle handle, int transa, int transb, int m, int n, int k, jcuda.Pointer alpha, jcuda.Pointer A, int lda, jcuda.Pointer B, int ldb, jcuda.Pointer beta, jcuda.Pointer C, int ldc)
    • cusparsecsr2csc

      int cusparsecsr2csc(jcuda.jcusparse.cusparseHandle handle, int m, int n, int nnz, jcuda.Pointer csrVal, jcuda.Pointer csrRowPtr, jcuda.Pointer csrColInd, jcuda.Pointer cscVal, jcuda.Pointer cscRowInd, jcuda.Pointer cscColPtr, int copyValues, int idxBase)
    • cublassyrk

      int cublassyrk(jcuda.jcublas.cublasHandle handle, int uplo, int trans, int n, int k, jcuda.Pointer alpha, jcuda.Pointer A, int lda, jcuda.Pointer beta, jcuda.Pointer C, int ldc)
    • cublasaxpy

      int cublasaxpy(jcuda.jcublas.cublasHandle handle, int n, jcuda.Pointer alpha, jcuda.Pointer x, int incx, jcuda.Pointer y, int incy)
    • cublastrsm

      int cublastrsm(jcuda.jcublas.cublasHandle handle, int side, int uplo, int trans, int diag, int m, int n, jcuda.Pointer alpha, jcuda.Pointer A, int lda, jcuda.Pointer B, int ldb)
    • cusolverDngeqrf_bufferSize

      int cusolverDngeqrf_bufferSize(jcuda.jcusolver.cusolverDnHandle handle, int m, int n, jcuda.Pointer A, int lda, int[] Lwork)
    • cusolverDngeqrf

      int cusolverDngeqrf(jcuda.jcusolver.cusolverDnHandle handle, int m, int n, jcuda.Pointer A, int lda, jcuda.Pointer TAU, jcuda.Pointer Workspace, int Lwork, jcuda.Pointer devInfo)
    • cusolverDnormqr

      int cusolverDnormqr(jcuda.jcusolver.cusolverDnHandle handle, int side, int trans, int m, int n, int k, jcuda.Pointer A, int lda, jcuda.Pointer tau, jcuda.Pointer C, int ldc, jcuda.Pointer work, int lwork, jcuda.Pointer devInfo)
    • cusparsecsrgeam

      int cusparsecsrgeam(jcuda.jcusparse.cusparseHandle handle, int m, int n, jcuda.Pointer alpha, jcuda.jcusparse.cusparseMatDescr descrA, int nnzA, jcuda.Pointer csrValA, jcuda.Pointer csrRowPtrA, jcuda.Pointer csrColIndA, jcuda.Pointer beta, jcuda.jcusparse.cusparseMatDescr descrB, int nnzB, jcuda.Pointer csrValB, jcuda.Pointer csrRowPtrB, jcuda.Pointer csrColIndB, jcuda.jcusparse.cusparseMatDescr descrC, jcuda.Pointer csrValC, jcuda.Pointer csrRowPtrC, jcuda.Pointer csrColIndC)
    • cusparsecsr2dense

      int cusparsecsr2dense(jcuda.jcusparse.cusparseHandle handle, int m, int n, jcuda.jcusparse.cusparseMatDescr descrA, jcuda.Pointer csrValA, jcuda.Pointer csrRowPtrA, jcuda.Pointer csrColIndA, jcuda.Pointer A, int lda, long nnz)
    • cusparsedense2csr

      int cusparsedense2csr(jcuda.jcusparse.cusparseHandle handle, int m, int n, jcuda.jcusparse.cusparseMatDescr descrA, jcuda.Pointer A, int lda, jcuda.Pointer nnzPerRow, jcuda.Pointer csrValA, jcuda.Pointer csrRowPtrA, jcuda.Pointer csrColIndA)
    • cusparsennz

      int cusparsennz(jcuda.jcusparse.cusparseHandle handle, int dirA, int m, int n, jcuda.jcusparse.cusparseMatDescr descrA, jcuda.Pointer A, int lda, jcuda.Pointer nnzPerRowCol, jcuda.Pointer nnzTotalDevHostPtr)
    • deviceToHost

      void deviceToHost(GPUContext gCtx, jcuda.Pointer src, double[] dest, String instName, boolean isEviction)
    • hostToDevice

      void hostToDevice(GPUContext gCtx, double[] src, jcuda.Pointer dest, String instName)