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Visible to Intel only — GUID: GUID-DE3BDB4D-F5EE-4A2B-AEE3-914A6C7ADF1A
Visible to Intel only — GUID: GUID-DE3BDB4D-F5EE-4A2B-AEE3-914A6C7ADF1A
gesvda_batch_scratchpad_size (Strided Version)
Computes size of scratchpad memory required for gesvda_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 gesvda_batch (Strided Version) function must be able to hold.
API
Syntax
namespace oneapi::mkl::lapack { int64_t gesvda_batch_scratchpad_size(sycl::queue &queue, int64_t m, int64_t n, int64_t lda, int64_t stride_a, int64_t ldu, int64_t stride_u, int64_t ldvt, int64_t stride_vt, int64_t batch_size) }
Input Parameters
- queue
-
Device queue where calculations will be performed.
- m
-
The number of rows in the matrices Ai.
- n
-
The number of columns in the matrices Ai.
- lda
-
The leading dimension of a. Must be at least max(1, m).
- stride_a
-
The stride between the beginnings of matrices Ai inside the batch array a. Must be at least max(1, lda * n).
- stride_s
-
The stride between the beginnings of arrays Si inside the array s. Must be at least min(m,n).
- ldu
-
The leading dimension of Ui. Must be at least max(1, m).
- stride_u
-
The stride between the beginnings of matrices Ui inside the batch array u. Must be at least max(1, ldu * m).
- ldvt
-
The leading dimension of ViT . Must be at least max(1, n).
- stride_vt
-
The stride between the beginnings of matrices ViTinside the batch array vt. Must be at least max(1, ldvt * n).
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 gesvda_batch (Strided Version) function must be able to hold.