Add update_capture_dependencies flags

Author: nimlgen

doc/driver.rst

@@ -621,6 +621,13 @@ Constants
     .. attribute:: ACTIVE
     .. attribute:: INVALIDATED
 
+.. class:: update_capture_dependencies_flags
+
+    CUDA 11.3 and newer.
+
+    .. attribute:: ADD_CAPTURE_DEPENDENCIES
+    .. attribute:: SET_CAPTURE_DEPENDENCIES
+
 
 Graphics-related constants
 ^^^^^^^^^^^^^^^^^^^^^^^^^^

examples/demo_graph.py

@@ -34,11 +34,11 @@
 func_plus(a_gpu, numpy.int32(2), block=(4, 4, 1), stream=stream_1)
 _, _, graph, deps = stream_1.get_capture_info_v2()
 first_node = graph.add_kernel_node(b_gpu, numpy.int32(3), block=(4, 4, 1), func=func_plus, dependencies=deps)
-stream_1.update_capture_dependencies([first_node], 1)
+stream_1.update_capture_dependencies([first_node], cuda.update_capture_dependencies_flags.SET_CAPTURE_DEPENDENCIES)
 
 _, _, graph, deps = stream_1.get_capture_info_v2()
 second_node = graph.add_kernel_node(a_gpu, b_gpu, block=(4, 4, 1), func=func_times, dependencies=deps)
-stream_1.update_capture_dependencies([second_node], 1)
+stream_1.update_capture_dependencies([second_node], cuda.update_capture_dependencies_flags.SET_CAPTURE_DEPENDENCIES)
 cuda.memcpy_dtoh_async(result, a_gpu, stream_1)
 
 graph = stream_1.end_capture()

src/wrapper/wrap_cudadrv.cpp

@@ -1277,6 +1277,12 @@ BOOST_PYTHON_MODULE(_driver)
     .value("ACTIVE", CU_STREAM_CAPTURE_STATUS_ACTIVE)
     .value("INVALIDATED", CU_STREAM_CAPTURE_STATUS_INVALIDATED)
     ;
+#endif
+#if CUDAPP_CUDA_VERSION >= 11030
+  py::enum_<CUstreamUpdateCaptureDependencies_flags>("update_capture_dependencies_flags")
+    .value("ADD_CAPTURE_DEPENDENCIES", CU_STREAM_ADD_CAPTURE_DEPENDENCIES)
+    .value("SET_CAPTURE_DEPENDENCIES", CU_STREAM_SET_CAPTURE_DEPENDENCIES)
+    ;
 #endif
   {
     typedef stream cl;
@@ -1294,7 +1300,9 @@ BOOST_PYTHON_MODULE(_driver)
         py::return_value_policy<py::manage_new_object>())
       .def("get_capture_info_v2", &cl::get_capture_info_v2)
 #if CUDAPP_CUDA_VERSION >= 11030
-      .def("update_capture_dependencies", &cl::update_capture_dependencies)
+      .def("update_capture_dependencies", &cl::update_capture_dependencies,
+        (py::arg("dependencies"),
+        py::arg("flags") = CU_STREAM_ADD_CAPTURE_DEPENDENCIES))
 #endif
 #endif
       .add_property("handle", &cl::handle_int)

test/test_graph.py

@@ -61,7 +61,7 @@ def test_dynamic_params(self):
         assert stat == drv.capture_status.ACTIVE, "Capture should be active"
         assert len(deps) == 0, "Nothing on deps"
         newnode = x_graph.add_kernel_node(a_gpu, numpy.int32(3), block=(4, 4, 1), func=func_plus, dependencies=deps)
-        stream_1.update_capture_dependencies([newnode], 1)
+        stream_1.update_capture_dependencies([newnode], cuda.update_capture_dependencies_flags.SET_CAPTURE_DEPENDENCIES)
         drv.memcpy_dtoh_async(result, a_gpu, stream_1) # Capture a copy as well.
         graph = stream_1.end_capture()
         assert graph == x_graph, "Should be the same"
@@ -110,11 +110,11 @@ def test_many_dynamic_params(self):
         assert stat == drv.capture_status.ACTIVE, "Capture should be active"
         assert len(deps) == 0, "Nothing on deps"
         newnode = x_graph.add_kernel_node(a_gpu, numpy.int32(3), block=(4, 4, 1), func=func_plus, dependencies=deps)
-        stream_1.update_capture_dependencies([newnode], 1)
+        stream_1.update_capture_dependencies([newnode], cuda.update_capture_dependencies_flags.SET_CAPTURE_DEPENDENCIES)
         _, _, x_graph, deps = stream_1.get_capture_info_v2()
         assert deps == [newnode], "Call to update_capture_dependencies should set newnode as the only dep"
         newnode2 = x_graph.add_kernel_node(b_gpu, numpy.int32(3), block=(4, 4, 1), func=func_plus, dependencies=deps)
-        stream_1.update_capture_dependencies([newnode2], 1)
+        stream_1.update_capture_dependencies([newnode2], cuda.update_capture_dependencies_flags.SET_CAPTURE_DEPENDENCIES)
 
         # Static capture
         func_times(a_gpu, b_gpu, block=(4, 4, 1), stream=stream_1)