Developer Reference for Intel® oneAPI Math Kernel Library for Fortran

ID 766686
Date 7/13/2023
Public

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Document Table of Contents

LAPACK Functionality

NOTE:
All of the DPC++ LAPACK computational routines have a corresponding *_scratchpad_size function for calculating the required amount of scratchpad space.
LU Factorization Routines
Functionality CPU OpenMP Offload Intel GPU

getrf

Yes

Yes

getrs

Yes

Yes

getri

Yes

Yes

Cholesky Factorization Routines
Functionality CPU OpenMP Offload Intel GPU

potrf

Yes

Yes

potrs

Yes

Yes

potri

Yes

Yes

Orthogonal Factorization Routines
Functionality CPU OpenMP Offload Intel GPU

geqrf

Yes

Yes

{or,un}gqr

Yes

Yes

{or,un}mqr

Yes

Yes

gerqf

Yes

No

{or,un}mrq

Yes

No

Other Linear Equation Routines
Functionality CPU OpenMP Offload Intel GPU

trtrs

Yes

Yes

{sy,he}trf

Yes

No

Symmetric Eigenvalue Routines
Functionality CPU OpenMP Offload Intel GPU

{sy,he}ev

Yes

Yes

{sy,he}evd

Yes

Yes

{sy,he}evx

Yes

Yes

{sy,he}trd

Yes

Yes

{or,un}gtr

Yes

No

{or,un}mtr

Yes

No

steqr

Yes

Yes

Generalized Symmetric Eigenvalue Routines
Functionality

CPU

OpenMP Offload Intel GPU

{sy,he}gvd

Yes

Yes

{sy,he}gvx

Yes

Yes

Singular Value Routines
Functionality CPU OpenMP Offload Intel GPU

gesvd

Yes

Yes

gebrd

Yes

Yes

{or,un}gbr

Yes

No

Batched LAPACK Routines
Functionality CPU OpenMP Offload Intel GPU (ILP64 Interface)

getrf_batch

Strided

Strided

getrfnp_batch

Strided

Strided

getrs_batch

Strided

Strided

getrsnp_batch

Strided

Strided

getri_batch

No

No

potrf_batch

No

No

potrs_batch

No

No

geqrf_batch

No

No

{or,un}gqr_batch

No

No

Other LAPACK Routines
CPU OpenMP Offload Intel GPU

Yes

No