Visible to Intel only — GUID: GUID-8BBEAFEE-ED67-4209-9E7B-F5CF3010DE7A
Visible to Intel only — GUID: GUID-8BBEAFEE-ED67-4209-9E7B-F5CF3010DE7A
geqrf_scratchpad_size
Computes size of scratchpad memory required for geqrf (USM 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 (buffer or USM version) function should be able to hold.
API
Syntax
namespace oneapi::mkl::lapack {
template<typename T>
std::int64_t geqrf_scratchpad_size(sycl::queue &queue,
std::int64_t m,
std::int64_t n,
std::int64_t lda)
}
Input Parameters
- queue
-
Device queue where calculations by the geqrf (buffer or USM version) function will be performed.
- m
-
The number of rows in the matrix A (0 ≤ m).
- n
-
The number of columns in the matrix A (0 ≤ n).
- lda
-
The leading dimension of a.
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 (buffer or USM version) function should be able to hold.