Add config file and example for thread sanitizer support (#261)

* Add tsan config
* Add example for tsan to catch
* Add intel host config

configs/lc/toss_4_x86_64_ib/clang_tsan.cmake

@@ -0,0 +1,19 @@
+##############################################################################
+# Copyright (c) 2024, Lawrence Livermore National Security, LLC and CARE
+# project contributors. See the CARE LICENSE file for details.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+##############################################################################
+
+set(COMPILER_BASE "/usr/tce/packages/clang/clang-14.0.6-magic" CACHE PATH "")
+set(CMAKE_C_COMPILER "${COMPILER_BASE}/bin/clang" CACHE PATH "")
+set(CMAKE_CXX_COMPILER "${COMPILER_BASE}/bin/clang++" CACHE PATH "")
+
+set(GCC_HOME "/usr/tce/packages/gcc/gcc-10.3.1-magic" CACHE PATH "")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --gcc-toolchain=${GCC_HOME} -fsanitize=thread -g" CACHE STRING "")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --gcc-toolchain=${GCC_HOME} -fsanitize=thread -g" CACHE STRING "")
+set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=thread" CACHE STRING "")
+
+set(ENABLE_OPENMP ON CACHE BOOL "")
+set(BLT_EXPORT_THIRDPARTY OFF CACHE BOOL "")
+

configs/lc/toss_4_x86_64_ib/intel.cmake

@@ -0,0 +1,17 @@
+##############################################################################
+# Copyright (c) 2020-24, Lawrence Livermore National Security, LLC and CARE
+# project contributors. See the CARE LICENSE file for details.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+##############################################################################
+
+set(COMPILER_BASE "/usr/tce/packages/intel/intel-2022.1.0-magic" CACHE PATH "")
+set(CMAKE_C_COMPILER "${COMPILER_BASE}/bin/icx" CACHE PATH "")
+set(CMAKE_CXX_COMPILER "${COMPILER_BASE}/bin/icpx" CACHE PATH "")
+
+set(GCC_HOME "/usr/tce/packages/gcc/gcc-10.3.1-magic" CACHE PATH "")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --gcc-toolchain=${GCC_HOME}" CACHE STRING "")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --gcc-toolchain=${GCC_HOME}" CACHE STRING "")
+
+set(BLT_EXPORT_THIRDPARTY OFF CACHE BOOL "")
+

examples/CMakeLists.txt

@@ -34,3 +34,12 @@ blt_add_executable(NAME ScanLoopExample
 target_include_directories(ScanLoopExample PRIVATE ${PROJECT_SOURCE_DIR}/src)
 target_include_directories(ScanLoopExample PRIVATE ${PROJECT_BINARY_DIR}/include)
 
+blt_add_executable(NAME RaceConditionsExample
+                   SOURCES RaceConditions.cpp
+                   DEPENDS_ON ${care_depends})
+
+target_include_directories(RaceConditionsExample PRIVATE ${PROJECT_SOURCE_DIR}/src)
+target_include_directories(RaceConditionsExample PRIVATE ${PROJECT_BINARY_DIR}/include)
+
+target_compile_options(RaceConditionsExample PRIVATE -fsanitize=thread -g)
+target_link_options(RaceConditionsExample PRIVATE -fsanitize=thread)

examples/RaceConditions.cpp

@@ -0,0 +1,37 @@
+//////////////////////////////////////////////////////////////////////////////
+// Copyright (c) 2024, Lawrence Livermore National Security, LLC and CARE
+// project contributors. See the CARE LICENSE file for details.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+//////////////////////////////////////////////////////////////////////////////
+
+// CARE library header
+#include "care/care.h"
+#include "care/algorithm.h"
+
+// Std library headers
+#include <algorithm>
+#include <iostream>
+#include <limits>
+#include <vector>
+
+int main(int, char**) {
+   const int size = 10;
+   care::host_device_ptr<int> data(size);
+
+   CARE_OPENMP_LOOP(i, 0, size) {
+      data[0] += i; // clang tsan catches this
+   } CARE_OPENMP_LOOP_END
+
+   CARE_OPENMP_LOOP(i, 0, size - 1) {
+      data[i] = data[i + 1]; // clang tsan catches this
+   } CARE_OPENMP_LOOP_END
+
+   CARE_OPENMP_LOOP(i, 0, size) {
+      data[0] = 1; // clang tsan does not report
+   } CARE_OPENMP_LOOP_END
+
+   data.free();
+   return 0;
+}
+