gpu - add debug message when falling back

gpu - fallback from gen to shared for non-tensor

Merge pull request #1315 from CEED/jeremy/queep

Backend Consistency Fixes

style - fixes for HIP backends

Merge pull request #1299 from CEED/sjg/cuda-hip-backends-consistency

Style fixes for `cuda` and `hip` backend consistency

Whitespace, style, and formatting updates for consistency between CUDA and HIP backends

Adds include guards in JiT header files, even if not strictly necessary, to match the precedent set in cuda-sh

Whitespace, style, and formatting updates for consistency between CUDA and HIP backends

Adds include guards in JiT header files, even if not strictly necessary, to match the precedent set in cuda-shared and hip-shared as well as sycl.

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Merge pull request #1231 from CEED/jeremy/consistency

Consistency fixes

gpu - naming consistency fixes

Merge pull request #1197 from sebastiangrimberg/sjg/style-whitespace-fix

Minor style consistency updates

Fix file endings inconsistency

Pedantic make option (#1193)

* make - add PEDANTIC option

* ci - use PEDANTIC make option

* cuda - fix pedantic error

* pedantic - drop nonstandard ternary for CeedError

IWYU fixes (#1182)

* iwyu - include fixes

* iwyu - silence some iwyu output

* minor - clearer macro names

* iwyu - fix suggestion of "ceed/ceed.h" externally

* iwyu - lighter petsc heade

IWYU fixes (#1182)

* iwyu - include fixes

* iwyu - silence some iwyu output

* minor - clearer macro names

* iwyu - fix suggestion of "ceed/ceed.h" externally

* iwyu - lighter petsc headers

* iwyu - ceed/ceed.h -> ceed.h

* iwyu - cuda/hip include fixes

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Switch to clang-format (#1051)

* style - switch to clang-format

* ci - use newer libxsmm

* action - update format action

* format - consistent use of {} for multi-line if/for

* make - re

Switch to clang-format (#1051)

* style - switch to clang-format

* ci - use newer libxsmm

* action - update format action

* format - consistent use of {} for multi-line if/for

* make - remove stray newline

* make - simpler 'make format' target

* ci - use newer libxsmm

* doc - minor release note claification

* minor - minor fix

* minor - minor fix

* minor - minor fix

* minor - minor fix

* make format

* format - less aggressive alignment rules

* tidy - check for argument name mismatches

* fix newline

* format - mirror Ratel update to .clang-format

* fix merge error

* fix merge conflict

* fix merge error

* drop style in .phony list

* Update .clang-format

Co-authored-by: Jed Brown <jed@jedbrown.org>

* apply updated format

Co-authored-by: Jed Brown <jed@jedbrown.org>

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Refactor `cuda-gen` and `hip-gen` backends. (#1050)

* Add TODO items.

* rough, but something like this?

* wip - cleaning up some warnings, but more remain

* wip - reorganize

* wip - miss

Refactor `cuda-gen` and `hip-gen` backends. (#1050)

* Add TODO items.

* rough, but something like this?

* wip - cleaning up some warnings, but more remain

* wip - reorganize

* wip - missing kernels

* wip - replace t1d

* fix some kernels

* another typo

* more

* another one

* closer

* define T_1D

* typosgit add .!

* WIP: changes to cuda-shared framework for new kernels

* fix output writing

* buffer fix

* buffer sizes

* WIP: fixes for 2 and 3D basis kernels

* minor

* fix weight kernel for 3d

* remove debugging output

* minor reorg

* fix includes

* enable collo grad for cuda-shared

* move quoted kernels

* renaming

* missed a rename

* small fix

* more naming consistency

* faster 'useCollograd=false' path in *-gen

* more style

* one last style fix

* clearer collograd condition

* Add gen basis kernels to hip-shared

* Try some changes to hip-shared basis block sizes for new kernels

* cuda - drop extra kernel arg

* cuda - fix collograd check logic

* update gen comment about parallelization

* tidy up fields struct definition

* tidy up structs even more

* Update hip-gen basis templates use and move other hip-gen device functions to jit-source

* Finish hip-gen basis template update; small style updates to match CUDA

* missing isStrided

* Update block size used in 3D weight for new shared kernels

* update release notes

Co-authored-by: Jeremy L Thompson <jeremy@jeremylt.org>
Co-authored-by: nbeams <246972+nbeams@users.noreply.github.com>

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Merge pull request #858 from CEED/jeremy/dump-copy-stuff

Strip redundant/outdated license info duplication

minor - update copyright headers

Merge pull request #893 from CEED/natalie/more-hip-launch-bounds

HIP: add atomics flag and more kernel launch bounds for performance improvements

Change to more specific name for hip-gen block size function

Merge pull request #898 from CEED/jeremy/qf-ctx-read

Read-only access for QFContext

qf - extend ctx read/write feature to qf

Add launch bounds to hip-gen operator kernel

Merge pull request #806 from CEED/jeremy/get-fields

Promote Field Getters to Public API

interface - refactor *GetFields to include number of fields

Refactor Preconditioning Ingredients (#795)

* op - split preconditioning into separate file

* pc - move FDM to interface level

* pc - initial move of diagonal assembly to interface

* interf

Refactor Preconditioning Ingredients (#795)

* op - split preconditioning into separate file

* pc - move FDM to interface level

* pc - initial move of diagonal assembly to interface

* interface - only return error code or error

* doc - improve preconditioning helper function documentation

* pc - use qdata layout for interface diagonal assembly

* pc - update for consistency in naming, use of CeedChk, and static

* doc - spelling

* style - minor

* doc - add doc for CeedBuildMassLaplace

* doc - update release notes

Co-authored-by: Jed Brown <jed@jedbrown.org>

Co-authored-by: Jed Brown <jed@jedbrown.org>

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Merge pull request #716 from CEED/jed/install-backend.h

Jed/install backend.h