From c7cb7eecdd6bd4514901f6e92df10b6dee1db896 Mon Sep 17 00:00:00 2001
From: Yuang Liu <liuyuang@baidu.com>
Date: Tue, 7 Dec 2021 08:45:53 +0800
Subject: [PATCH] [fleet_executor] fix python gil problem (#37882)

---
 paddle/fluid/pybind/bind_fleet_executor.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/paddle/fluid/pybind/bind_fleet_executor.cc b/paddle/fluid/pybind/bind_fleet_executor.cc
index 40d325fae45..6fc9b2a494f 100644
--- a/paddle/fluid/pybind/bind_fleet_executor.cc
+++ b/paddle/fluid/pybind/bind_fleet_executor.cc
@@ -33,7 +33,8 @@ void BindFleetExecutor(py::module* m) {
   py::class_<FleetExecutor>(*m, "FleetExecutor")
       .def(py::init<const std::string&>())
       .def("init", &FleetExecutor::Init)
-      .def("run", &FleetExecutor::Run);
+      .def("run", &FleetExecutor::Run,
+           py::call_guard<py::gil_scoped_release>());
 
   py::class_<TaskNode>(*m, "TaskNode")
       .def(py::init<const framework::ProgramDesc&, int64_t, int64_t, int64_t>())
-- 
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