Visible to Intel only — GUID: GUID-D105D2F0-CA0F-4CBD-B6DB-6EFF0588D431
Visible to Intel only — GUID: GUID-D105D2F0-CA0F-4CBD-B6DB-6EFF0588D431
orgqr_batch_scratchpad_size (Strided Version)
Computes size of scratchpad memory required for orgqr_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 orgqr_batch (Strided Version) function must be able to hold.
API
Syntax
namespace oneapi::mkl::lapack { std::int64_t orgqr_batch_scratchpad_size(sycl::queue &queue, std::int64_t m, std::int64_t n, std::int64_t k, std::int64_t lda, std::int64_t stride_a, std::int64_t stride_tau, std::int64_t batch_size) }
Input Parameters
- queue
-
Device queue where calculations will be performed.
- m
-
The number of rows in the matrices Ai (0 ≤ m).
- n
-
The number of columns in the matrices Ai (0 ≤ n).
- k
-
the number of elementary reflectors whose product defines the matrices Qi (0 ≤ k ≤ n) .
- lda
-
The leading dimension of Ai (lda ≥ m).
- stride_a
-
The stride between the beginnings of matrices Ai inside the batch array a.
- stride_tau
-
The stride between the beginnings of arrays taui inside the array tau.
- 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 orgqr_batch (Strided Version) function must be able to hold.