[LAPACK] Add Arm Performance Libraries backend (#633)

Signed-off-by: Augustin Degomme <[email protected]>
Co-authored-by: Nicolas Bouton <[email protected]>
Co-authored-by: Romain Dolbeau <[email protected]>

CMakeLists.txt

@@ -100,7 +100,8 @@ endif()
 if(ENABLE_MKLCPU_BACKEND
         OR ENABLE_MKLGPU_BACKEND
         OR ENABLE_CUSOLVER_BACKEND
-        OR ENABLE_ROCSOLVER_BACKEND)
+        OR ENABLE_ROCSOLVER_BACKEND
+        OR ENABLE_ARMPL_BACKEND)
   list(APPEND DOMAINS_LIST "lapack")
 endif()
 if(ENABLE_MKLCPU_BACKEND

README.md

@@ -251,12 +251,18 @@ Supported compilers include:
             <td align="center">Dynamic, Static</td>
         </tr>
         <tr>
-            <td rowspan=4 align="center">LAPACK</td>
+            <td rowspan=5 align="center">LAPACK</td>
             <td align="center">x86 CPU</td>
             <td align="center">Intel(R) oneMKL</td>
             <td align="center">Intel DPC++</td>
             <td align="center">Dynamic, Static</td>
         </tr>
+        <tr>
+            <td align="center">aarch64 CPU</td>
+            <td align="center">Arm Performance Libraries</td>
+            <td align="center">Open DPC++</br>AdaptiveCpp</td>
+            <td align="center">Dynamic, Static</td>
+        </tr>
         <tr>
             <td align="center">Intel GPU</td>
             <td align="center">Intel(R) oneMKL</td>

include/oneapi/math/detail/backends_table.hpp

@@ -151,6 +151,13 @@ static std::map<domain, std::map<device, std::vector<const char*>>> libraries =
               LIB_NAME("lapack_mklcpu")
 #endif
           } },
+        { device::aarch64cpu,
+          {
+#ifdef ONEMATH_ENABLE_ARMPL_BACKEND
+              LIB_NAME("lapack_armpl"),
+#endif
+          } },
+
         { device::intelgpu,
           {
 #ifdef ONEMATH_ENABLE_MKLGPU_BACKEND

include/oneapi/math/lapack.hpp

@@ -33,5 +33,8 @@
 #ifdef ONEMATH_ENABLE_ROCSOLVER_BACKEND
 #include "oneapi/math/lapack/detail/rocsolver/lapack_ct.hpp"
 #endif
+#ifdef ONEMATH_ENABLE_ARMPL_BACKEND
+#include "oneapi/math/lapack/detail/armpl/lapack_ct.hpp"
+#endif
 
 #include "oneapi/math/lapack/detail/lapack_rt.hpp"

include/oneapi/math/lapack/detail/armpl/lapack_ct.hpp

@@ -0,0 +1,43 @@
+/*******************************************************************************
+* Copyright 2025 SiPearl
+* Copyright 2021 Intel Corporation
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions
+* and limitations under the License.
+*
+*
+* SPDX-License-Identifier: Apache-2.0
+*******************************************************************************/
+
+#pragma once
+
+#include <complex>
+#include <cstdint>
+
+#include <sycl/sycl.hpp>
+
+#include "oneapi/math/types.hpp"
+#include "oneapi/math/lapack/types.hpp"
+#include "oneapi/math/detail/backend_selector.hpp"
+#include "oneapi/math/lapack/detail/armpl/onemath_lapack_armpl.hpp"
+
+namespace oneapi {
+namespace math {
+namespace lapack {
+
+#define LAPACK_BACKEND armpl
+#include "oneapi/math/lapack/detail/armpl/lapack_ct.hxx"
+#undef LAPACK_BACKEND
+
+} //namespace lapack
+} //namespace math
+} //namespace oneapi

include/oneapi/math/lapack/detail/armpl/onemath_lapack_armpl.hpp

@@ -0,0 +1,38 @@
+/*******************************************************************************
+* Copyright 2025 SiPearl
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions
+* and limitations under the License.
+*
+*
+* SPDX-License-Identifier: Apache-2.0
+*******************************************************************************/
+
+#pragma once
+
+#include <sycl/sycl.hpp>
+
+#include <complex>
+#include <cstdint>
+
+#include "oneapi/math/types.hpp"
+namespace oneapi {
+namespace math {
+namespace lapack {
+namespace armpl {
+
+#include "onemath_lapack_armpl.hxx"
+
+} // namespace armpl
+} // namespace lapack
+} // namespace math
+} // namespace oneapi

src/lapack/backends/CMakeLists.txt

@@ -35,3 +35,8 @@ endif()
 if(ENABLE_ROCSOLVER_BACKEND)
   add_subdirectory(rocsolver)
 endif()
+
+if(ENABLE_ARMPL_BACKEND)
+  add_subdirectory(armpl)
+endif()
+

src/lapack/backends/armpl/CMakeLists.txt

@@ -0,0 +1,66 @@
+#===============================================================================
+# Copyright 2025 SiPearl
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+#
+# SPDX-License-Identifier: Apache-2.0
+#===============================================================================
+
+set(LIB_NAME onemath_lapack_armpl)
+set(LIB_OBJ ${LIB_NAME}_obj)
+
+# Add third-party library
+find_package(ARMPL REQUIRED)
+
+add_library(${LIB_NAME})
+add_library(${LIB_OBJ} OBJECT
+  armpl_wrappers.cpp
+  armpl_batch.cpp
+  $<$<BOOL:${BUILD_SHARED_LIBS}>: armpl_wrappers_table_dyn.cpp>
+
+)
+
+target_include_directories(${LIB_OBJ}
+  PUBLIC ${ONEMATH_INCLUDE_DIRS}
+  PRIVATE ${PROJECT_SOURCE_DIR}/src/include
+          ${PROJECT_SOURCE_DIR}/src
+          ${ARMPL_INCLUDE}
+)
+
+target_link_libraries(${LIB_OBJ}
+	PUBLIC ONEMATH::SYCL::SYCL ${ARMPL_LINK}
+)
+
+target_compile_features(${LIB_OBJ} PUBLIC cxx_std_14)
+set_target_properties(${LIB_OBJ} PROPERTIES
+  POSITION_INDEPENDENT_CODE ON
+)
+target_link_libraries(${LIB_NAME} PRIVATE ${LIB_OBJ})
+target_include_directories(${LIB_NAME} PUBLIC ${ONEMATH_INCLUDE_DIRS})
+
+# Add major version to the library
+set_target_properties(${LIB_NAME} PROPERTIES
+  SOVERSION ${PROJECT_VERSION_MAJOR}
+)
+
+# Add dependencies rpath to the library
+list(APPEND CMAKE_BUILD_RPATH $<TARGET_FILE_DIR:${LIB_NAME}>)
+
+# Add the library to install package
+install(TARGETS ${LIB_OBJ} EXPORT oneMathTargets)
+install(TARGETS ${LIB_NAME} EXPORT oneMathTargets
+  RUNTIME DESTINATION bin
+  ARCHIVE DESTINATION lib
+  LIBRARY DESTINATION lib
+)