Visible to Intel only — GUID: GUID-CBDE8DA7-2360-4295-A7BF-0CD676D7E516
Visible to Intel only — GUID: GUID-CBDE8DA7-2360-4295-A7BF-0CD676D7E516
geqrf_batch_scratchpad_size (Strided Version)
Computes size of scratchpad memory required for geqrf_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 geqrf_batch (Strided Version) function should be able to hold.
API
Syntax
namespace oneapi::mkl::lapack {
geqrf_batch_scratchpad_size(sycl::queue &queue,
std::int64_t m,
std::int64_t n,
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 (m ≥ 0).
- n
-
The number of columns in the matrices Ai (n ≥ 0).
- lda
-
The leading dimension of Ai (lda ≥ max(1, m)).
- stride_a
-
The stride between the beginnings of matrices Ai inside the batch array a (stride_a ≥ max(1, lda * n)).
- stride_tau
-
The stride between the beginnings of arrays taui inside the array tau (stride_tau ≥ max(1, min(m,n))).
- batch_size
-
The number of problems in a batch (batch_size ≥ 0).
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 geqrf_batch (Strided Version) function should be able to hold.