Visible to Intel only — GUID: GUID-614F18FA-2FA7-4BC7-9FF4-9BD796920C02
Visible to Intel only — GUID: GUID-614F18FA-2FA7-4BC7-9FF4-9BD796920C02
getrs_batch_scratchpad_size (Strided Version)
Computes size of scratchpad memory required for getrs_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 getrs_batch (Strided Version) function must be able to hold.
API
Syntax
namespace oneapi::mkl::lapack { std::int64_t getrs_batch_scratchpad_size(sycl::queue &queue, mkl::transpose trans, std::int64_t n, std::int64_t nrhs, std::int64_t lda, std::int64_t stride_a, std::int64_t stride_ipiv, 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
-
Indicates the form of the equations:
If trans = mkl::transpose::nontrans, then Ai*Xi = Bi is solved for Xi.
If trans = mkl::transpose::trans, then AiT*Xi = Bi is solved for Xi.
If trans = mkl::transpose::conjtrans, then AiH*Xi = Bi is solved for Xi.
- n
-
The order of the matrices Ai and the number of rows in matrices Bi (0 ≤ n).
- nrhs
-
The number of right hand sides (0 ≤ nrhs).
- lda
-
The leading dimension of Ai.
- stride_a
-
The stride between the beginnings of matrices Ai inside the batch array a.
- stride_ipiv
-
The stride between the beginnings of arrays ipivi inside the array ipiv.
- ldb
-
The leading dimensions of Bi.
- stride_b
-
The stride between the beginnings of matrices Bi inside the batch array b.
- batch_size
-
The number of problems in a batch.
Exceptions
Exception |
Description |
---|---|
mkl::lapack::exception |
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 getrs_batch (Strided Version) function must be able to hold.