hipblasssyr2batched Interface Reference

hipblasssyr2batched Interface Reference#

HIPFORT API Reference: hipfort_hipblas::hipblasssyr2batched Interface Reference
Public Member Functions | List of all members
hipfort_hipblas::hipblasssyr2batched Interface Reference

BLAS Level 2 API. More...

Public Member Functions

integer(kind(hipblas_status_success)) function hipblasssyr2batched_ (handle, uplo, n, alpha, x, incx, y, incy, ap, lda, batchcount)
 

Detailed Description

BLAS Level 2 API.

The syr2Batched functions perform a batch of matrix-vector operations: 

A[i] := A[i] + alpha*x[i]*y[i]**T + alpha*y[i]*x[i]**T

where alpha is a scalar, x[i] and y[i] are vectors, and A[i] is an n by n symmetric matrix, for i = 1 , ... , batchCount.

  • Supported precisions in rocBLAS : s, d, c, and z.
  • Supported precisions in cuBLAS : No support.
Parameters
[in]handle- [hipblasHandle_t] handle to the hipBLAS library context queue.
[in]uplo- [hipblasFillMode_t] specifies either upper (HIPBLAS_FILL_MODE_UPPER) or lower (HIPBLAS_FILL_MODE_LOWER):
  • If HIPBLAS_FILL_MODE_UPPER, the lower part of A is not referenced.
  • If HIPBLAS_FILL_MODE_LOWER, the upper part of A is not referenced.
[in]n- [int] the number of rows and columns of matrix A.
[in]alphadevice pointer or host pointer to scalar alpha.
[in]x- device array of device pointers storing each vector x_i.
[in]incx- [int] specifies the increment for the elements of each x_i.
[in]y- device array of device pointers storing each vector y_i.
[in]incy- [int] specifies the increment for the elements of each y_i.
[in,out]AP- device array of device pointers storing each matrix A_i.
[in]lda- [int] specifies the leading dimension of each A_i.
[in]batchCount- [int] number of instances in the batch.

Member Function/Subroutine Documentation

◆ hipblasssyr2batched_()

integer(kind(hipblas_status_success)) function hipfort_hipblas::hipblasssyr2batched::hipblasssyr2batched_ ( type(c_ptr), value  handle,
integer(kind(hipblas_fill_mode_upper)), value  uplo,
integer(c_int), value  n,
real(c_float)  alpha,
type(c_ptr), value  x,
integer(c_int), value  incx,
type(c_ptr), value  y,
integer(c_int), value  incy,
type(c_ptr), value  ap,
integer(c_int), value  lda,
integer(c_int), value  batchcount 
)
The documentation for this interface was generated from the following file: