Update minimum required of kokkos-fft (#880)

Author: tpadioleau

.github/workflows/early_integration.yaml

@@ -165,7 +165,7 @@ jobs:
 
             cmake \
               -D CMAKE_CXX_STANDARD=${{matrix.cxx_version}} \
-              -D KokkosFFT_ENABLE_HOST_AND_DEVICE=ON \
+              -D KokkosFFT_ENABLE_FFTW=ON \
               -B build \
               -S /src/vendor/kokkos-fft
             cmake --build build

.github/workflows/tests-macos.yaml

@@ -158,13 +158,13 @@ jobs:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
         with:
           repository: kokkos/kokkos-fft
-          ref: v0.2.1
+          ref: v0.3.0
           path: kokkos-fft
       - name: Install Kokkos-fft
         run: |
           cmake \
             -D CMAKE_CXX_STANDARD=${{matrix.cxx_version}} \
-            -D KokkosFFT_ENABLE_HOST_AND_DEVICE=ON \
+            -D KokkosFFT_ENABLE_FFTW=ON \
             -B build \
             -S ./kokkos-fft
           cmake --build build

.github/workflows/tests-ubuntu.yaml

@@ -311,7 +311,7 @@ jobs:
 
             cmake \
               -D CMAKE_CXX_STANDARD=${{matrix.cxx_version}} \
-              -D KokkosFFT_ENABLE_HOST_AND_DEVICE=ON \
+              -D KokkosFFT_ENABLE_FFTW=ON \
               -B build \
               -S /src/vendor/kokkos-fft
             cmake --build build

CMakeLists.txt

@@ -154,15 +154,15 @@ if("${DDC_BUILD_KERNELS_FFT}")
 
     if("${DDC_KokkosFFT_DEPENDENCY_POLICY}" STREQUAL "AUTO")
         if(NOT TARGET KokkosFFT::fft)
-            find_package(KokkosFFT 0.2.1...<1 QUIET)
+            find_package(KokkosFFT 0.3.0...<1 QUIET)
             if(NOT KokkosFFT_FOUND)
                 ddc_configure_kokkos_fft()
             endif()
         endif()
     elseif("${DDC_KokkosFFT_DEPENDENCY_POLICY}" STREQUAL "EMBEDDED")
         ddc_configure_kokkos_fft()
     elseif("${DDC_KokkosFFT_DEPENDENCY_POLICY}" STREQUAL "INSTALLED")
-        find_package(KokkosFFT 0.2.1...<1 REQUIRED)
+        find_package(KokkosFFT 0.3.0...<1 REQUIRED)
     endif()
 
     add_library(ddc_fft INTERFACE)

README.md

@@ -47,7 +47,7 @@ To use DDC core, one needs the following dependencies:
 To use DDC components, one needs the following dependencies:
 
 * (optional, fft interface) DDC::fft
-  * Kokkos-fft 0.2.1...<1
+  * Kokkos-fft 0.3.0...<1
 * (optional, IO interface) DDC::pdi
   * PDI 1.6...<2
 * (optional, spline interpolation) DDC::splines

cmake/DDCConfig.cmake.in

@@ -42,7 +42,7 @@ if(NOT TARGET DDC::core)
 endif()
 
 if(@DDC_BUILD_KERNELS_FFT@ AND ("fft" IN_LIST DDC_FIND_COMPONENTS))
-   ddc_find_dependency(KokkosFFT 0.2.1...<1)
+   ddc_find_dependency(KokkosFFT 0.3.0...<1)
 
    include(${CMAKE_CURRENT_LIST_DIR}/DDCFftTargets.cmake)
    if(NOT TARGET DDC::fft)

cmake/DDCVendorConfiguration.cmake

@@ -43,7 +43,7 @@ macro(ddc_configure_kokkos)
 endmacro()
 
 macro(ddc_configure_kokkos_fft)
-    option(KokkosFFT_ENABLE_HOST_AND_DEVICE "Enable FFT on both host and device" ON)
+    option(KokkosFFT_ENABLE_FFTW "Enable fftw as a KokkosFFT backend on CPUs" ON)
     add_subdirectory(vendor/kokkos-fft)
 endmacro()