From f7de4764b068c730a8c2a3e7075fb82569244183 Mon Sep 17 00:00:00 2001
From: Critsium-xy <tsfxwbbzxy@163.com>
Date: Fri, 10 Oct 2025 14:00:25 +0800
Subject: [PATCH 1/2] Initial Commit

---
 source/source_base/module_fft/fft_dsp.cpp             | 1 +
 source/source_pw/module_pwdft/VSep_in_pw.cpp          | 4 ++--
 source/source_pw/module_pwdft/VSep_in_pw.h            | 4 ++--
 source/source_pw/module_pwdft/operator_pw/veff_pw.cpp | 2 +-
 4 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/source/source_base/module_fft/fft_dsp.cpp b/source/source_base/module_fft/fft_dsp.cpp
index 82ea934f5b..0350556be9 100644
--- a/source/source_base/module_fft/fft_dsp.cpp
+++ b/source/source_base/module_fft/fft_dsp.cpp
@@ -1,6 +1,7 @@
 #include "fft_dsp.h"
 
 #include "source_base/global_variable.h"
+#include "source_base/global_function.h"
 
 #include <iostream>
 #include <string.h>
diff --git a/source/source_pw/module_pwdft/VSep_in_pw.cpp b/source/source_pw/module_pwdft/VSep_in_pw.cpp
index 3badccbe13..ee49a839a0 100644
--- a/source/source_pw/module_pwdft/VSep_in_pw.cpp
+++ b/source/source_pw/module_pwdft/VSep_in_pw.cpp
@@ -46,9 +46,9 @@ double shell_cut(double r, double r_in, double r_out, double r_power)
 }
 } // namespace
 
-VSep::VSep() noexcept = default;
+VSep::VSep() = default;
 
-VSep::~VSep() noexcept = default;
+VSep::~VSep() = default;
 
 void VSep::init_vsep(const ModulePW::PW_Basis& rho_basis, const Sep_Cell& sep_cell)
 {
diff --git a/source/source_pw/module_pwdft/VSep_in_pw.h b/source/source_pw/module_pwdft/VSep_in_pw.h
index e2344d43af..2c05b26491 100644
--- a/source/source_pw/module_pwdft/VSep_in_pw.h
+++ b/source/source_pw/module_pwdft/VSep_in_pw.h
@@ -10,8 +10,8 @@
 class VSep
 {
   public:
-    VSep() noexcept;
-    ~VSep() noexcept;
+    VSep();
+    ~VSep();
 
     void init_vsep(const ModulePW::PW_Basis& rho_basis, const Sep_Cell& sep_cell);
     void generate_vsep_r(const ModulePW::PW_Basis& rho_basis, const ModuleBase::ComplexMatrix& sf_in, const Sep_Cell& sep_cell);
diff --git a/source/source_pw/module_pwdft/operator_pw/veff_pw.cpp b/source/source_pw/module_pwdft/operator_pw/veff_pw.cpp
index e2813b3a9a..6406b9267a 100644
--- a/source/source_pw/module_pwdft/operator_pw/veff_pw.cpp
+++ b/source/source_pw/module_pwdft/operator_pw/veff_pw.cpp
@@ -58,7 +58,7 @@ void Veff<OperatorPW<T, Device>>::act(
 #ifdef __DSP
     if (npol == 1)
     {
-        ModulePW::FFT_Guard guard(wfcpw->fft_bundle);
+        ModuleBase::FFT_Guard guard(wfcpw->fft_bundle);
         for (int ib = 0; ib < nbands; ib += npol)
         {
             wfcpw->convolution(this->ctx,

From b3f57e1b19fb4e14a33dd38a6589652947249eb8 Mon Sep 17 00:00:00 2001
From: Critsium-xy <tsfxwbbzxy@163.com>
Date: Fri, 10 Oct 2025 14:25:49 +0800
Subject: [PATCH 2/2] Optimize Compilation experience on DSP

---
 CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c0c7b83bf8..166dd12d0a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -481,8 +481,12 @@ else()
   find_package(Lapack REQUIRED)
   include_directories(${FFTW3_INCLUDE_DIRS})
   list(APPEND math_libs FFTW3::FFTW3 LAPACK::LAPACK BLAS::BLAS)
+if(USE_DSP)
+  target_link_libraries(${ABACUS_BIN_NAME} ${SCALAPACK_LIBRARY_DIR})
+else()
   find_package(ScaLAPACK REQUIRED)
   list(APPEND math_libs ScaLAPACK::ScaLAPACK)
+endif()
   if(USE_OPENMP)
     list(APPEND math_libs FFTW3::FFTW3_OMP)
   endif()