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Current implementaton of EXX PW introduces an error in proportion to $\frac{1}{nqs}$, q-e deals with this using an extrapolation technique.
This method is discribed in https://doi.org/10.1103/PhysRevB.79.205114 .

zhangzh-pku and others added 30 commits May 1, 2023 01:27
* run INPUT.Default() in every process in InputParaTest (deepmodeling#3490)

Co-authored-by: kirk0830 <[email protected]>

* add blas support for FindLAPACK.cmake (deepmodeling#3497)

* more unittest of QO: towards orbital selection (deepmodeling#3499)

* Fix: fix bug in mulliken charge calculation (deepmodeling#3503)

* fix phase

* fix case test

* Refactor: namespace Conv_Coulomb_Pot_K (deepmodeling#3446)

* Refactor: namespace Conv_Coulomb_Pot_K

* Refactor: namespace Conv_Coulomb_Pot_K

---------

Co-authored-by: wqzhou <[email protected]>

* enable the computation of all zeros in one function call (deepmodeling#3449)

Co-authored-by: wqzhou <[email protected]>

* replace ios.eof() by ios.good() to avoid meeting badbit and failbit in reading STRU (deepmodeling#3506)

* Build: add ccache to accelerate the testing process (deepmodeling#3509)

* Build: add ccache to accelerate the testing process

* Update test.yml

* Update test.yml

* Update test.yml

* Docs: to avoid the misunderstanding in docs (deepmodeling#3518)

* to avoid the misunderstanding in docs

* Update docs/quick_start/hands_on.md

Co-authored-by: Chun Cai <[email protected]>

---------

Co-authored-by: Chun Cai <[email protected]>

* Docs: fix a missing depencency in conda build env (deepmodeling#3508)

* Feature: Add ENABLE_RAPIDJSON option to control the output of abacus.json (deepmodeling#3519)

Add ENABLE_RAPIDJSON option to control the output of abacus.json

* Feature: add python wrapper for math sphbes (deepmodeling#3475)

* recommit for review

* add python wrapper

* remove timer since performace tests add

* Feature: support segment split in kline mode in KPT file and `out_band` band output precision control, `8` as default (deepmodeling#3493)

* add precision control

* correct serial version of nscf_band function

* fix issue 3482

* update unit and integrated test

* update document

* correct unittest and make compatible with false and true

* fix: bug in Autotest.sh when result.ref has no totaltimeref (deepmodeling#3523)

* Fix : unit test of module_xc (deepmodeling#3524)

* Fix: omit small magnetic moments to avoid numerical instability (deepmodeling#3530)

* update deltalambda

* avoid numerical error in orbMulP

* add constrain on Mi

* change case reference value

* Fix: fix multiple compiler warnings (deepmodeling#3515)

* Fix: add noreturn attribute to warning_quit

* Add type conversion

* fix string literal

* fix small number trunctuation

* Fix system call returned value not checked

* fix missing braket

* Refactor parameter_pool.cpp and parameter_pool.h

* remove duplicated return statements

* Change WARNING_QUIT occurances in tests

* Add warning message to help debug UT

* output the default precision flag (deepmodeling#3496)

Co-authored-by: kirk0830 <[email protected]>

* Build: Improving CMake performance for finding LibXC and ELPA (deepmodeling#3478)

* Fix for finding LibXC and ELPA

* For compatibility to previous routines

* syntax fix for FindELPA.cmake

* Update cmake/FindELPA.cmake

Co-authored-by: Chun Cai <[email protected]>

* Using CMake interface as default for finding LibXC

* update docs

* fix for FindLibxc: changing imcompatible if statement

* fix for FindLibxc: changing imcompatible if statement

* fix for FindLibxc: changing imcompatible if statement

* update docs for installing pkg-config

* Update FindLibxc.cmake

* Update FindLibxc.cmake

* remove previous LibXC routine in CMakeLists.txt

Co-authored-by: Chun Cai <[email protected]>

* Update easy_install.md with Makefile-built LibXC supported

* Update easy_install.md to include different behavior in different version on finding ELPA

---------

Co-authored-by: Chun Cai <[email protected]>

* Docs: correct some docs about mp2 smearing method (deepmodeling#3533)

* correct some docs about mp2 smearing method

* add docs about mv method

* Feature : printing band density (deepmodeling#3501)

Co-authored-by: wenfei-li <[email protected]>
Co-authored-by: wqzhou <[email protected]>

* add some docs for PR#3501 (deepmodeling#3537)

* Feature: enable restart charge density mixing during SCF (deepmodeling#3542)

* add a new parameter mixing_restart

* do not update rho if iter==mixing_restart

* do not update rho if iter==mixing_restart-1

* reset mix and rho_mdata if iter==mixing_restart

* fix SCF exit directly since drho=0 if iter=GlobalV::MIXING_RESTART

* re-set_mixing in eachiterinit for PW and LCAO

* enable SCF restarts in esolver_ks::RUN

* add some UnitTests

* add some Docs

* new inputs added

* Update input-main.md (deepmodeling#3551)

Solve the format problem mentioned in issue 3543

* Build: fix compatibility issue against toolchain install (deepmodeling#3540)

* Fix for finding LibXC and ELPA

* For compatibility to previous routines

* syntax fix for FindELPA.cmake

* Update cmake/FindELPA.cmake

Co-authored-by: Chun Cai <[email protected]>

* Using CMake interface as default for finding LibXC

* update docs

* fix for FindLibxc: changing imcompatible if statement

* fix for FindLibxc: changing imcompatible if statement

* fix for FindLibxc: changing imcompatible if statement

* update docs for installing pkg-config

* Update FindLibxc.cmake

* Update FindLibxc.cmake

* remove previous LibXC routine in CMakeLists.txt

Co-authored-by: Chun Cai <[email protected]>

* Update easy_install.md with Makefile-built LibXC supported

* Update easy_install.md to include different behavior in different version on finding ELPA

* fix compatibility issue against toolchain

* Change default ELPA install routine to old one

---------

Co-authored-by: Chun Cai <[email protected]>

* Test: Configure performance tests for math libraries (deepmodeling#3511)

* add performace test of sphbes functions.

* fix benchmark cmake errors

* add dependencies for docker

* update docs

* add performance tests for sphbes

* add google benchmark

* rewrite benchmark tests in fixtures

* disable internal testing in benchmark

* merge benchmark into integration test

---------

Co-authored-by: StarGrys <[email protected]>

* Configure Makefile Compiling, fix typos

* Fix Makefile Intel toolchains compile errors

* Fix even more PEXSI related Makefile compiling issues

* Update hsolver_pw.cpp (deepmodeling#3556)

when use_uspp==false, overlap matrix should be E.

* Fix: cuda build target (deepmodeling#3276)

* Fix: cuda buid target

* Update CMakeLists.txt

---------

Co-authored-by: Denghui Lu <[email protected]>

---------

Co-authored-by: wqzhou <[email protected]>
Co-authored-by: kirk0830 <[email protected]>
Co-authored-by: Haozhi Han <[email protected]>
Co-authored-by: Zhao Tianqi <[email protected]>
Co-authored-by: PeizeLin <[email protected]>
Co-authored-by: jinzx10 <[email protected]>
Co-authored-by: Chun Cai <[email protected]>
Co-authored-by: Peng Xingliang <[email protected]>
Co-authored-by: Jie Li <[email protected]>
Co-authored-by: Wenfei Li <[email protected]>
Co-authored-by: Denghui Lu <[email protected]>
Co-authored-by: YI Zeping <[email protected]>
Co-authored-by: wenfei-li <[email protected]>
Co-authored-by: jingan-181 <[email protected]>
Co-authored-by: StarGrys <[email protected]>
Co-authored-by: Haozhi Han <[email protected]>
Revert "Modify inputs and update to latest version"
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Copilot reviewed 7 out of 7 changed files in this pull request and generated 1 comment.

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source/module_hamilt_pw/hamilt_pwdft/stress_func_exx.cpp:221

  • The indexing order for the 'pot' array has been modified compared to the original (which used nqs). Ensure that the new indexing is correct and consistent with the intentions of gamma extrapolation, especially if 'nqs' and 'nks' are not equivalent.
pot[ik * nks * rhopw->npw + iq * rhopw->npw + ig] = exx_div;

@Flying-dragon-boxing Flying-dragon-boxing marked this pull request as ready for review April 7, 2025 07:03
@mohanchen mohanchen added Bugs Bugs that only solvable with sufficient knowledge of DFT EXX and lr-TDDFT Related to EXX or lr-TDDFT Features Needed The features are indeed needed, and developers should have sophisticated knowledge Refactor Refactor ABACUS codes labels Apr 8, 2025
@mohanchen mohanchen merged commit 28d8902 into deepmodeling:develop Apr 8, 2025
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Bugs Bugs that only solvable with sufficient knowledge of DFT EXX and lr-TDDFT Related to EXX or lr-TDDFT Features Needed The features are indeed needed, and developers should have sophisticated knowledge Refactor Refactor ABACUS codes

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4 participants