From 10d8d6b6e374996a2e92d87760680d3e7c897667 Mon Sep 17 00:00:00 2001
From: Yuang Liu <liuyuang@baidu.com>
Date: Wed, 24 Nov 2021 21:55:39 +0800
Subject: [PATCH] [fleet_executor] fix message bus bug (#37507)

---
 paddle/fluid/distributed/fleet_executor/message_bus.cc   | 3 +--
 paddle/fluid/distributed/fleet_executor/message_bus.h    | 1 +
 paddle/fluid/distributed/fleet_executor/runtime_graph.cc | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/paddle/fluid/distributed/fleet_executor/message_bus.cc b/paddle/fluid/distributed/fleet_executor/message_bus.cc
index 23e1b2a31d..4a41f69411 100644
--- a/paddle/fluid/distributed/fleet_executor/message_bus.cc
+++ b/paddle/fluid/distributed/fleet_executor/message_bus.cc
@@ -111,8 +111,7 @@ void MessageBus::ListenPort() {
 #if defined(PADDLE_WITH_DISTRIBUTE) && defined(PADDLE_WITH_PSCORE) && \
     !defined(PADDLE_WITH_ASCEND_CL)
   // function keep listen the port and handle the message
-  InterceptorMessageServiceImpl interceptor_message_service;
-  PADDLE_ENFORCE_EQ(server_.AddService(&interceptor_message_service,
+  PADDLE_ENFORCE_EQ(server_.AddService(&interceptor_message_service_,
                                        brpc::SERVER_DOESNT_OWN_SERVICE),
                     0, platform::errors::Unavailable(
                            "Message bus: init brpc service error."));
diff --git a/paddle/fluid/distributed/fleet_executor/message_bus.h b/paddle/fluid/distributed/fleet_executor/message_bus.h
index 9212a93df4..03bb7ed81a 100644
--- a/paddle/fluid/distributed/fleet_executor/message_bus.h
+++ b/paddle/fluid/distributed/fleet_executor/message_bus.h
@@ -89,6 +89,7 @@ class MessageBus final {
 
 #if defined(PADDLE_WITH_DISTRIBUTE) && defined(PADDLE_WITH_PSCORE) && \
     !defined(PADDLE_WITH_ASCEND_CL)
+  InterceptorMessageServiceImpl interceptor_message_service_;
   // brpc server
   brpc::Server server_;
 #endif
diff --git a/paddle/fluid/distributed/fleet_executor/runtime_graph.cc b/paddle/fluid/distributed/fleet_executor/runtime_graph.cc
index c9455ffef4..3a76bd43f9 100644
--- a/paddle/fluid/distributed/fleet_executor/runtime_graph.cc
+++ b/paddle/fluid/distributed/fleet_executor/runtime_graph.cc
@@ -142,7 +142,7 @@ void RuntimeGraph::SplitProgramBasedFunctionality(const ProgramDesc& program) {
   int pipeline_stage = coord.pp_idx;
   int64_t num_pipeline_stages = exe_desc_.pp_degree();
   // TODO(fleet_executor dev): start up steps should be a config `num_slots`
-  int64_t start_up_steps = num_pipeline_stages - pipeline_stage - 1;
+  int64_t start_up_steps = num_pipeline_stages - pipeline_stage;
   int64_t num_micro_batches = exe_desc_.num_micro_batches();
   int64_t task_id = cur_rank * functionality_order.size();
   for (std::size_t i = 0; i < functionality_order.size(); ++i) {
-- 
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