Developer Reference

Contents

gerqf_scratchpad_size

Computes size of scratchpad memory required for
gerqf
(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
gerqf
(buffer or USM version) function should be able to hold.

API

Syntax
namespace oneapi::mkl::lapack { template <typename T> std::int64_t gerqf_scratchpad_size(cl::sycl::queue &queue, std::int64_t m, std::int64_t n, std::int64_t lda) }
Input Parameters
queue
Device queue where calculations by the gerqf (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
; at least
max(1,m)
.
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 get_info() method of the exception object.
Return Values
The number of elements of type T the scratchpad memory to be passed to the
gerqf
(buffer or USM version) function should be able to hold.

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.