gels_batch_scratchpad_size (Strided Version)¶
Computes size of scratchpad memory required for gels_batch
(Strided
Version) function. This routine belongs to the
oneapi::mkl::lapack
namespace.
Description¶
Computes the number of elements of type T
the scratchpad memory to be passed to the gels_batch
(Strided Version) function must be able to hold.
API¶
Syntax¶
namespace oneapi::mkl::lapack {
std::int64_t gels_batch_scratchpad_size(sycl::queue &queue,
mkl::transpose trans,
std::int64_t m,
std::int64_t n,
std::int64_t nrhs,
std::int64_t lda,
std::int64_t stride_a,
std::int64_t ldb,
std::int64_t stride_b,
std::int64_t batch_size)
}
Input Parameters¶
- queue
Device queue where calculations will be performed.
- trans
Operation assumed to be done on input matrices
A
i. Onlytrans = mkl::transpose::nontrans
case is currently supported.- m
The number of rows of the matrices
A
i andB
i- n
The number of columns of the matrices
A
i- nrhs
The number of right-hand sides: the number of columns in
B
i- lda
The leading dimension of
A
i- stride_a
The stride between the beginnings of matrices
A
i inside the batch arraya
- ldb
The leading dimensions of
B
i- stride_b
The stride between the beginnings of matrices
B
i inside the batch arrayb
.- batch_size
The number of problems in a batch.
Exceptions¶
Exception |
Description |
---|---|
|
This exception is thrown when an incorrect argument value is supplied. You can determine the position of the incorrect argument by the info() method of the exception object. |
Return Values¶
The number of elements of type T
the scratchpad memory to be passed to the gels_batch
(Strided Version) function must be able to hold.