Update base kokkos version to 4.4.01 (#175)

* update submodules

* update dminimum kokkos version in docs and CMake

* Make kokkos version to 4.4.01

---------

Co-authored-by: Yuuichi Asahi <[email protected]>

CMakeLists.txt

@@ -32,7 +32,7 @@ set(KOKKOSFFT_VERSION_MAJOR ${PROJECT_VERSION_MAJOR})
 set(KOKKOSFFT_VERSION_MINOR ${PROJECT_VERSION_MINOR})
 set(KOKKOSFFT_VERSION_PATCH ${PROJECT_VERSION_PATCH})
 
-set(KOKKOS_REQUIRED_VERSION 4.2.0)
+set(KOKKOS_REQUIRED_VERSION 4.4.0)
 
 if (NOT KokkosFFT_ENABLE_INTERNAL_KOKKOS)
     # First check, Kokkos is added as subdirectory or not

README.md

@@ -88,7 +88,7 @@ git clone --recursive https://github.com/kokkos/kokkos-fft.git
 ### Prerequisites
 To use Kokkos-fft, we need the followings:
 * `CMake 3.22+`
-* `Kokkos 4.2+`
+* `Kokkos 4.4+`
 * `gcc 8.3.0+` (CPUs)
 * `IntelLLVM 2023.0.0+` (CPUs, Intel GPUs)
 * `nvcc 11.0.0+` (NVIDIA GPUs)

docs/intro/quick_start.rst

@@ -20,7 +20,7 @@ If CMake fails to find a backend FFT library, see :doc:`How to find fft librarie
 Requirements
 ------------
 
-Kokkos-fft requires ``Kokkos 4.2+`` and dedicated compilers for CPUs or GPUs.
+Kokkos-fft requires ``Kokkos 4.4+`` and dedicated compilers for CPUs or GPUs.
 It employs ``CMake 3.22+`` for building.
 
 Here are list of compilers we frequently use for testing.