Python native extension to use CXX/CUDA standard of NVBench library

oleksandr-pavlyk · oleksandr-pavlyk · commit 4fc628c4d7b6 · 2025-08-01T15:33:39.000-05:00
This fixes cryptic build failure with GNU compiler 14
diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
@@ -32,7 +32,6 @@ target_link_libraries(_nvbench PRIVATE CUDA::cudart_static)
 set_target_properties(_nvbench PROPERTIES INSTALL_RPATH "$ORIGIN")
 set_target_properties(_nvbench PROPERTIES INTERPROCEDURAL_OPTIMIZATION ON)
 set_target_properties(_nvbench PROPERTIES POSITION_INDEPENDENT_CODE ON)
-set_target_properties(_nvbench PROPERTIES CXX_STANDARD 20)
 
 install(TARGETS _nvbench DESTINATION cuda/nvbench)
 
diff --git a/python/src/py_nvbench.cpp b/python/src/py_nvbench.cpp
@@ -102,7 +102,7 @@ struct benchmark_wrapper_t
 
 class nvbench_run_error : std::runtime_error
 {};
-constinit py::handle benchmark_exc{};
+py::handle benchmark_exc{};
 
 class GlobalBenchmarkRegistry
 {
@@ -215,7 +215,7 @@ py::dict py_get_axis_values(const nvbench::state &state)
 }
 
 // essentially a global variable, but allocated on the heap during module initialization
-constinit std::unique_ptr<GlobalBenchmarkRegistry, py::nodelete> global_registry{};
+std::unique_ptr<GlobalBenchmarkRegistry, py::nodelete> global_registry{};
 
 } // end of anonymous namespace
 

Original file line number	Diff line number	Diff line change
`@@ -102,7 +102,7 @@ struct benchmark_wrapper_t`
`102`	`102`
`103`	`103`	`class nvbench_run_error : std::runtime_error`
`104`	`104`	`{};`
`105`		`-constinit py::handle benchmark_exc{};`
	`105`	`+py::handle benchmark_exc{};`
`106`	`106`
`107`	`107`	`class GlobalBenchmarkRegistry`
`108`	`108`	`{`
`@@ -215,7 +215,7 @@ py::dict py_get_axis_values(const nvbench::state &state)`
`215`	`215`	`}`
`216`	`216`
`217`	`217`	`// essentially a global variable, but allocated on the heap during module initialization`
`218`		`-constinit std::unique_ptr<GlobalBenchmarkRegistry, py::nodelete> global_registry{};`
	`218`	`+std::unique_ptr<GlobalBenchmarkRegistry, py::nodelete> global_registry{};`
`219`	`219`
`220`	`220`	`} // end of anonymous namespace`
`221`	`221`