cp2k/cmake/modules/FindCuSolverMP.cmake
Taillefumier Mathieu f50e850e17
[cmake] Cleanup accross the entire build system (#5527)
Co-authored-by: Mathieu Taillefumier <mathieu.taillefumier@free.fr>
2026-07-04 20:36:14 +02:00

81 lines
3 KiB
CMake

#!-------------------------------------------------------------------------------------------------!
#! CP2K: A general program to perform molecular dynamics simulations !
#! Copyright 2000-2026 CP2K developers group <https://cp2k.org> !
#! !
#! SPDX-License-Identifier: GPL-2.0-or-later !
#!-------------------------------------------------------------------------------------------------!
# Copyright (c) 2022- ETH Zurich
#
# authors : Mathieu Taillefumier
include(FindPackageHandleStandardArgs)
include(cp2k_utils)
find_package(ucc REQUIRED)
# First, find CuSolverMP library and headers
cp2k_set_default_paths(CUSOLVER_MP "CUSOLVER_MP")
cp2k_find_libraries(CUSOLVER_MP "cusolverMp")
cp2k_include_dirs(CUSOLVER_MP "cusolverMp.h")
# CuSolverMP 0.7+ uses NCCL for communication, older versions use Cal. We need
# to detect the version to require the correct communication library.
if(CP2K_CUSOLVER_MP_INCLUDE_DIRS)
file(STRINGS "${CP2K_CUSOLVER_MP_INCLUDE_DIRS}/cusolverMp.h" _ver_major_line
REGEX "^#define CUSOLVERMP_VER_MAJOR")
file(STRINGS "${CP2K_CUSOLVER_MP_INCLUDE_DIRS}/cusolverMp.h" _ver_minor_line
REGEX "^#define CUSOLVERMP_VER_MINOR")
string(REGEX MATCH "[0-9]+" _ver_major "${_ver_major_line}")
string(REGEX MATCH "[0-9]+" _ver_minor "${_ver_minor_line}")
if(_ver_major STREQUAL "" OR _ver_minor STREQUAL "")
message(FATAL_ERROR "Could not determine CuSolverMP version from header")
endif()
message(STATUS "Found CuSolverMP version: ${_ver_major}.${_ver_minor}")
# CuSolverMP 0.7+ uses NCCL, older versions use Cal
if(_ver_major GREATER 0 OR _ver_minor GREATER_EQUAL 7)
find_package(Nccl REQUIRED)
set(CP2K_CUSOLVERMP_USE_NCCL
ON
CACHE BOOL "CuSolverMP uses NCCL for communication")
else()
find_package(Cal REQUIRED)
set(CP2K_CUSOLVERMP_USE_NCCL
OFF
CACHE BOOL "CuSolverMP uses Cal for communication")
endif()
endif()
find_package_handle_standard_args(
CuSolverMP DEFAULT_MSG CP2K_CUSOLVER_MP_LINK_LIBRARIES
CP2K_CUSOLVER_MP_INCLUDE_DIRS)
if(NOT CP2K_CUSOLVER_MP_FOUND)
message(FATAL_ERROR "CuSolverMP requested, but not found")
endif()
if(NOT TARGET cp2k::CUSOLVER_MP::cusolver_mp)
add_library(cp2k::CUSOLVER_MP::cusolver_mp INTERFACE IMPORTED)
if(CP2K_CUSOLVERMP_USE_NCCL)
set(_comm_lib "cp2k::NCCL::nccl")
else()
set(_comm_lib "cp2k::CAL::cal")
endif()
set_target_properties(
cp2k::CUSOLVER_MP::cusolver_mp
PROPERTIES INTERFACE_LINK_LIBRARIES
"${CP2K_CUSOLVER_MP_LINK_LIBRARIES};${_comm_lib};cp2k::UCC::ucc")
set_target_properties(
cp2k::CUSOLVER_MP::cusolver_mp
PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${CP2K_CUSOLVER_MP_INCLUDE_DIRS}")
endif()
mark_as_advanced(CP2K_CUSOLVER_MP_LINK_LIBRARIES)
mark_as_advanced(CP2K_CUSOLVER_MP_INCLUDE_DIRS)
mark_as_advanced(CP2K_CUSOLVER_MP_FOUND)