diff --git a/oneflow/core/job_completer/all_reduce_add_pass.cpp b/oneflow/core/job_completer/add_all_reduce_group_pass.cpp
similarity index 95%
rename from oneflow/core/job_completer/all_reduce_add_pass.cpp
rename to oneflow/core/job_completer/add_all_reduce_group_pass.cpp
index 2cf8012a3848567aba0b3315d1891353fcc475b7..77ab6bbedfc2f498b22df3ae3589042d5f233957 100644
--- a/oneflow/core/job_completer/all_reduce_add_pass.cpp
+++ b/oneflow/core/job_completer/add_all_reduce_group_pass.cpp
@@ -1,4 +1,4 @@
-#include "oneflow/core/job_completer/all_reduce_add_pass.h"
+#include "oneflow/core/job_completer/op_graph_pass.h"
 #include "oneflow/core/register/runtime_blob_desc.h"
 
 namespace oneflow {
@@ -240,9 +240,18 @@ void BuildAllReduceStruct(
                        all_reduced_lbi, GetLastTouchedOpName);
 }
 
-}  // namespace
+class AddAllReduceGroupPass final : public OpGraphPass {
+ public:
+  AddAllReduceGroupPass() = default;
+  ~AddAllReduceGroupPass() = default;
+  bool IsEnabled() const override {
+    return GlobalJobDesc().IsTrain() && !GlobalJobDesc().enable_non_distributed_optimizer()
+           && GlobalJobDesc().enable_all_reduce_group();
+  }
+  void Apply(const OpGraph& op_graph, JobBuilder* job_builder) const override;
+};
 
-void AllReduceAddPass::Apply(const OpGraph& op_graph, JobBuilder* job_builder) const {
+void AddAllReduceGroupPass::Apply(const OpGraph& op_graph, JobBuilder* job_builder) const {
   auto ProducerOpNode4Lbi = MakeGetterProducerOpNode4Lbi(op_graph);
   std::vector<LogicalBlobId> lbis;
   FindAllReducedLbis(job_builder->job(), op_graph, ProducerOpNode4Lbi, &lbis);
@@ -286,4 +295,8 @@ void AllReduceAddPass::Apply(const OpGraph& op_graph, JobBuilder* job_builder) c
       });
 }
 
+}  // namespace
+
+REGISTER_FUNCTION_PASS("AddAllReduceGroupPass", AddAllReduceGroupPass);
+
 }  // namespace oneflow
diff --git a/oneflow/core/job_completer/add_lbi_diff_watcher.cpp b/oneflow/core/job_completer/add_lbi_diff_watcher.cpp
index 62d8a3afebad0fe86328920401d248e0d23baeff..71a8bd9e925ef920ac5e1efa8e1e7351918bc6fc 100644
--- a/oneflow/core/job_completer/add_lbi_diff_watcher.cpp
+++ b/oneflow/core/job_completer/add_lbi_diff_watcher.cpp
@@ -1,10 +1,18 @@
-#include "oneflow/core/job_completer/add_lbi_diff_watcher.h"
+#include "oneflow/core/job_completer/op_graph_pass.h"
 #include "oneflow/core/job/lbi_diff_watcher_info.pb.h"
 #include "oneflow/core/operator/operator.h"
 
 namespace oneflow {
 
-void AddLbiDiffWatcherOpConfs(Job* job) {
+namespace {
+
+class AddLbiDiffWatcherOpConfs final : public OpGraphPass {
+ public:
+  bool IsEnabled() const override { return GlobalJobDesc().IsTrain(); }
+  void Apply(Job* job) const override;
+};
+
+void AddLbiDiffWatcherOpConfs::Apply(Job* job) const {
   JobBuilder job_builder(job);
   const auto& map = Global<LbiDiffWatcherInfo>::Get()->job_name2lbi_and_watcher_uuids();
   if (map.find(GlobalJobDesc().job_name()) == map.end()) { return; }
@@ -27,4 +35,8 @@ void AddLbiDiffWatcherOpConfs(Job* job) {
   }
 }
 
+REGISTER_FUNCTION_PASS("AddLbiDiffWatcherOpConfs", AddLbiDiffWatcherOpConfs);
+
+}  // namespace
+
 }  // namespace oneflow
diff --git a/oneflow/core/job_completer/add_lbi_diff_watcher.h b/oneflow/core/job_completer/add_lbi_diff_watcher.h
deleted file mode 100644
index 8c58191596a1107c85d431d6af9081f320cdc936..0000000000000000000000000000000000000000
--- a/oneflow/core/job_completer/add_lbi_diff_watcher.h
+++ /dev/null
@@ -1,11 +0,0 @@
-#ifndef ONEFLOW_CORE_JOB_COMPLETER_ADD_LBI_DIFF_WATCHER_H_
-#define ONEFLOW_CORE_JOB_COMPLETER_ADD_LBI_DIFF_WATCHER_H_
-
-#include "oneflow/core/job/job_builder.h"
-
-namespace oneflow {
-
-void AddLbiDiffWatcherOpConfs(Job* job);
-}
-
-#endif  // ONEFLOW_CORE_JOB_COMPLETER_ADD_LBI_DIFF_WATCHER_H_
diff --git a/oneflow/core/job_completer/all_reduce_add_pass.h b/oneflow/core/job_completer/all_reduce_add_pass.h
deleted file mode 100644
index f908813298286fa8ccf133972431c86f6deb3ba8..0000000000000000000000000000000000000000
--- a/oneflow/core/job_completer/all_reduce_add_pass.h
+++ /dev/null
@@ -1,23 +0,0 @@
-#ifndef ONEFLOW_CORE_JOB_COMPLETER_ALL_REDUCE_ADD_PASS_H_
-#define ONEFLOW_CORE_JOB_COMPLETER_ALL_REDUCE_ADD_PASS_H_
-
-#include "oneflow/core/job_completer/op_graph_pass.h"
-
-namespace oneflow {
-
-class OpGraph;
-
-class AllReduceAddPass final : public OpGraphPass {
- public:
-  AllReduceAddPass() = default;
-  ~AllReduceAddPass() = default;
-  bool IsEnabled() const override {
-    return !GlobalJobDesc().enable_non_distributed_optimizer()
-           && GlobalJobDesc().enable_all_reduce_group();
-  }
-  void Apply(const OpGraph& op_graph, JobBuilder* job_builder) const override;
-};
-
-}  // namespace oneflow
-
-#endif  // ONEFLOW_CORE_JOB_COMPLETER_ALL_REDUCE_ADD_PASS_H_
diff --git a/oneflow/core/job_completer/all_reduce_sequence_pass.h b/oneflow/core/job_completer/all_reduce_sequence_pass.h
deleted file mode 100644
index 3e81fe75cf00a3c0258be1153850ca38fcb9c9cf..0000000000000000000000000000000000000000
--- a/oneflow/core/job_completer/all_reduce_sequence_pass.h
+++ /dev/null
@@ -1,21 +0,0 @@
-#ifndef ONEFLOW_CORE_JOB_COMPLETER_ALL_REDUCE_SEQUENCE_PASS_H_
-#define ONEFLOW_CORE_JOB_COMPLETER_ALL_REDUCE_SEQUENCE_PASS_H_
-
-#include "oneflow/core/job/job.pb.h"
-#include "oneflow/core/job_completer/op_graph_pass.h"
-
-namespace oneflow {
-
-class OpGraph;
-
-class AllReduceSequencePass final : public OpGraphPass {
- public:
-  AllReduceSequencePass() = default;
-  ~AllReduceSequencePass() = default;
-  bool IsEnabled() const override { return !GlobalJobDesc().disable_all_reduce_sequence(); }
-  void Apply(const OpGraph& op_graph, JobBuilder* job_builder) const override;
-};
-
-}  // namespace oneflow
-
-#endif  // ONEFLOW_CORE_JOB_COMPLETER_ALL_REDUCE_SEQUENCE_PASS_H_
diff --git a/oneflow/core/job_completer/auto_learning_rate.cpp b/oneflow/core/job_completer/auto_learning_rate.cpp
index df6b824d17c89badb769e237e8942e9ed3e3705f..6ec6694b19e29d93356b289911f0427c5310aaac 100644
--- a/oneflow/core/job_completer/auto_learning_rate.cpp
+++ b/oneflow/core/job_completer/auto_learning_rate.cpp
@@ -1,9 +1,23 @@
-#include "oneflow/core/graph/op_graph.h"
+#include "oneflow/core/common/util.h"
+#include "oneflow/core/job_completer/op_graph_pass.h"
 #include "oneflow/core/job/job.pb.h"
 
 namespace oneflow {
 
-void AutoLearningRate(const OpGraph& op_graph, Job* job) {
+namespace {
+
+class AutoLearningRate final : public OpGraphPass {
+ public:
+  OF_DISALLOW_COPY_AND_MOVE(AutoLearningRate);
+  AutoLearningRate() = default;
+  ~AutoLearningRate() override = default;
+
+  bool IsEnabled() const override { return GlobalJobDesc().IsTrain(); }
+
+  void Apply(const OpGraph& op_graph, Job* job) const override;
+};
+
+void AutoLearningRate::Apply(const OpGraph& op_graph, Job* job) const {
   JobBuilder job_builder(job);
   const TrainConf& train_conf = job->job_conf().train_conf();
   auto AddScheduleOp = [&](const std::string& op_name, const float learning_rate) -> std::string {
@@ -58,4 +72,8 @@ void AutoLearningRate(const OpGraph& op_graph, Job* job) {
   }
 }
 
+REGISTER_FUNCTION_PASS("AutoLearningRate", AutoLearningRate);
+
+}  // namespace
+
 }  // namespace oneflow
diff --git a/oneflow/core/job_completer/auto_learning_rate.h b/oneflow/core/job_completer/auto_learning_rate.h
deleted file mode 100644
index 5ffdc5f7296beaf1229f8223477d8bae60fa6479..0000000000000000000000000000000000000000
--- a/oneflow/core/job_completer/auto_learning_rate.h
+++ /dev/null
@@ -1,13 +0,0 @@
-#ifndef ONEFLOW_CORE_JOB_COMPLETER_AUTO_LEARNING_RATE_H_
-#define ONEFLOW_CORE_JOB_COMPLETER_AUTO_LEARNING_RATE_H_
-
-namespace oneflow {
-
-class OpGraph;
-class Job;
-
-void AutoLearningRate(const OpGraph& op_graph, Job* job);
-
-}  // namespace oneflow
-
-#endif  // ONEFLOW_CORE_JOB_COMPLETER_AUTO_LEARNING_RATE_H_
diff --git a/oneflow/core/job_completer/auto_train_step.cpp b/oneflow/core/job_completer/auto_train_step.cpp
index a3c01850eef40e0441d55914aea72364d79c2857..5af8d589f698e34ccba65aed8ceb38ccdcc98df3 100644
--- a/oneflow/core/job_completer/auto_train_step.cpp
+++ b/oneflow/core/job_completer/auto_train_step.cpp
@@ -1,9 +1,22 @@
-#include "oneflow/core/graph/op_graph.h"
+#include "oneflow/core/job_completer/op_graph_pass.h"
 #include "oneflow/core/job/job.pb.h"
 
 namespace oneflow {
 
-void AutoTrainStep(const OpGraph& op_graph, Job* job) {
+namespace {
+
+class AutoTrainStep final : public OpGraphPass {
+ public:
+  OF_DISALLOW_COPY_AND_MOVE(AutoTrainStep);
+  AutoTrainStep() = default;
+  ~AutoTrainStep() override = default;
+
+  bool IsEnabled() const override { return GlobalJobDesc().IsTrain(); }
+
+  void Apply(const OpGraph& op_graph, Job* job) const override;
+};
+
+void AutoTrainStep::Apply(const OpGraph& op_graph, Job* job) const {
   if (job->job_conf().train_conf().has_train_step_lbn()) { return; }
   OperatorConf variable_op_conf{};
   const std::string train_step_name = "System-Train-TrainStep-" + job->job_conf().job_name();
@@ -42,4 +55,8 @@ void AutoTrainStep(const OpGraph& op_graph, Job* job) {
   job->mutable_job_conf()->mutable_train_conf()->set_train_step_lbn(train_step_lbn);
 }
 
+REGISTER_FUNCTION_PASS("AutoTrainStep", AutoTrainStep);
+
+}  // namespace
+
 }  // namespace oneflow
diff --git a/oneflow/core/job_completer/auto_train_step.h b/oneflow/core/job_completer/auto_train_step.h
deleted file mode 100644
index 7d16dc0d8c901e3fa5b2b350060c15f58aecc64e..0000000000000000000000000000000000000000
--- a/oneflow/core/job_completer/auto_train_step.h
+++ /dev/null
@@ -1,13 +0,0 @@
-#ifndef ONEFLOW_CORE_JOB_COMPLETER_AUTO_TRAIN_STEP_H_
-#define ONEFLOW_CORE_JOB_COMPLETER_AUTO_TRAIN_STEP_H_
-
-namespace oneflow {
-
-class OpGraph;
-class Job;
-
-void AutoTrainStep(const OpGraph& op_graph, Job* job);
-
-}  // namespace oneflow
-
-#endif  // ONEFLOW_CORE_JOB_COMPLETER_AUTO_TRAIN_STEP_H_
diff --git a/oneflow/core/job_completer/generate_backward_and_optimizer_op_confs.cpp b/oneflow/core/job_completer/generate_backward_and_optimizer_op_confs.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..fafc479d4531fa6a6e10659d89e65d9a1b8ebaf6
--- /dev/null
+++ b/oneflow/core/job_completer/generate_backward_and_optimizer_op_confs.cpp
@@ -0,0 +1,98 @@
+#include "oneflow/core/job_completer/op_graph_pass.h"
+#include "oneflow/core/job_completer/autograd.h"
+#include "oneflow/core/job_completer/optimizer.h"
+
+namespace oneflow {
+
+namespace {
+
+void UpdateJobHelperConfProducedLbi2ConsumedDiffLbi(
+    const HashMap<LogicalBlobId, LogicalBlobId>& lbi2diff_lbi, JobBuilder* job_builder) {
+  auto& mut_pairs =
+      (*job_builder->mutable_helper()->mutable_tag2lbi_relations())[kProducedLbi2ConsumedDiffLbi];
+  for (const auto& pair : lbi2diff_lbi) {
+    auto* mut_pair = mut_pairs.add_pair();
+    *mut_pair->mutable_first() = pair.first;
+    *mut_pair->mutable_second() = pair.second;
+  }
+}
+
+void BindIdenticalSbpObaPairsBetweenIbns(const OpNode& op_node, JobBuilder* job_builder) {
+  HashMap<LogicalBlobId, std::vector<OpBlobArg>> in_lbi2obas;
+  for (const std::string& ibn : op_node.op().input_bns()) {
+    in_lbi2obas[op_node.op().BnInOp2Lbi(ibn)].push_back(GenOpBlobArg(op_node.op().op_name(), ibn));
+  }
+  for (const auto& pair : in_lbi2obas) {
+    if (pair.second.size() > 1) {
+      FOR_RANGE(int32_t, i, 1, pair.second.size()) {
+        job_builder->BindIdenticalSbpOpBlobArgPair(pair.second.at(0), pair.second.at(i));
+      }
+    }
+  }
+}
+
+void SetSbpSignatureHintByIdenticalSbpObaPairs(const OpGraph& op_graph, JobBuilder* job_builder) {
+  HashMap<OpBlobArg, const SbpParallel*> oba2sbp_parallel;
+  op_graph.ForEachNode([&](OpNode* op_node) {
+    auto ForEachBn = [&](const std::function<void(const std::string&)>& Handler) {
+      for (const auto& ibn : op_node->op().input_bns()) { Handler(ibn); }
+      for (const auto& obn : op_node->op().output_bns()) { Handler(obn); }
+    };
+    ForEachBn([&](const std::string& bn_in_op) {
+      const auto& oba = GenOpBlobArg(op_node->op().op_name(), bn_in_op);
+      oba2sbp_parallel[oba] = &op_node->SbpParallel4Lbi(op_node->op().BnInOp2Lbi(bn_in_op));
+    });
+  });
+  auto HasSbpParallel = [&](const OpBlobArg& oba) {
+    return oba2sbp_parallel.find(oba) != oba2sbp_parallel.end();
+  };
+  for (const auto& pair : job_builder->job().helper().identical_sbp_oba_pairs().pair()) {
+    const SbpParallel* sbp_parallel = nullptr;
+    if (HasSbpParallel(pair.first()) && HasSbpParallel(pair.second())) {
+      CHECK(oba2sbp_parallel.at(pair.first()) == oba2sbp_parallel.at(pair.second()));
+      sbp_parallel = oba2sbp_parallel.at(pair.first());
+    } else if (HasSbpParallel(pair.first())) {
+      sbp_parallel = oba2sbp_parallel.at(pair.first());
+    } else if (HasSbpParallel(pair.second())) {
+      sbp_parallel = oba2sbp_parallel.at(pair.second());
+    } else {
+      UNIMPLEMENTED();
+    }
+    *job_builder->MutSbpParallel4Oba(pair.first()) = *sbp_parallel;
+    *job_builder->MutSbpParallel4Oba(pair.second()) = *sbp_parallel;
+  }
+}
+
+void UpdateOpSbpSignatureHint(const OpGraph& op_graph, JobBuilder* job_builder) {
+  op_graph.ForEachNode(
+      [&](OpNode* op_node) { BindIdenticalSbpObaPairsBetweenIbns(*op_node, job_builder); });
+  SetSbpSignatureHintByIdenticalSbpObaPairs(op_graph, job_builder);
+}
+
+class GenerateBackwardAndOptimizerOpConfs final : public OpGraphPass {
+ public:
+  bool IsEnabled() const override { return GlobalJobDesc().IsTrain(); }
+  OF_DISALLOW_COPY_AND_MOVE(GenerateBackwardAndOptimizerOpConfs);
+  GenerateBackwardAndOptimizerOpConfs() = default;
+  ~GenerateBackwardAndOptimizerOpConfs() override = default;
+
+  void Apply(const OpGraph& op_graph, JobBuilder* job_builder) const override;
+};
+
+void GenerateBackwardAndOptimizerOpConfs::Apply(const OpGraph& op_graph,
+                                                JobBuilder* job_builder) const {
+  LogicalBlobId total_loss_instance_num;
+  HashMap<LogicalBlobId, LogicalBlobId> lbi2diff_lbi;
+  AutoGrad(op_graph, job_builder, &lbi2diff_lbi);
+  std::function<const LogicalBlobId&(const ParallelDesc&)> LossInstanceNum4ParallelDesc;
+  AddTotalLossInstanceNumOpConf(op_graph, job_builder, lbi2diff_lbi, &LossInstanceNum4ParallelDesc);
+  AddOptimizerOpConf(op_graph, job_builder, lbi2diff_lbi, LossInstanceNum4ParallelDesc);
+  UpdateJobHelperConfProducedLbi2ConsumedDiffLbi(lbi2diff_lbi, job_builder);
+  UpdateOpSbpSignatureHint(op_graph, job_builder);
+}
+
+REGISTER_FUNCTION_PASS("GenerateBackwardAndOptimizerOpConfs", GenerateBackwardAndOptimizerOpConfs);
+
+}  // namespace
+
+}  // namespace oneflow
diff --git a/oneflow/core/job_completer/job_completer.cpp b/oneflow/core/job_completer/job_completer.cpp
index d70c4f749571e062cd1d221fd9246a82d12614fd..b469295b89a31053b9c9f49841f3c7ca125a3439 100644
--- a/oneflow/core/job_completer/job_completer.cpp
+++ b/oneflow/core/job_completer/job_completer.cpp
@@ -1,18 +1,11 @@
 #include "oneflow/core/job_completer/job_completer.h"
+#include "oneflow/core/job_completer/op_graph_pass.h"
 #include "oneflow/core/job_completer/autograd.h"
 #include "oneflow/core/job_completer/autotick.h"
 #include "oneflow/core/job_completer/add_keep_header_only_op_conf.h"
-#include "oneflow/core/job_completer/optimizer.h"
 #include "oneflow/core/job/job_desc.h"
-#include "oneflow/core/job_completer/all_reduce_add_pass.h"
-#include "oneflow/core/job_completer/all_reduce_sequence_pass.h"
 #include "oneflow/core/job_completer/group_boxing_by_dst_parallel.h"
-#include "oneflow/core/job_completer/nccl_tuple_broadcast_reduce_sequence_pass.h"
-#include "oneflow/core/job_completer/auto_train_step.h"
-#include "oneflow/core/job_completer/auto_learning_rate.h"
-#include "oneflow/core/job_completer/add_lbi_diff_watcher.h"
 #include "oneflow/core/framework/config_def.h"
-
 #include "oneflow/core/job_completer/xrt_compilation.h"
 
 namespace oneflow {
@@ -42,95 +35,6 @@ void WithOpGraphAndMutJobBuilder(Job* job,
   Handler(op_graph, &job_builder);
 }
 
-void UpdateJobHelperConfProducedLbi2ConsumedDiffLbi(
-    const HashMap<LogicalBlobId, LogicalBlobId>& lbi2diff_lbi, JobBuilder* job_builder) {
-  auto& mut_pairs =
-      (*job_builder->mutable_helper()->mutable_tag2lbi_relations())[kProducedLbi2ConsumedDiffLbi];
-  for (const auto& pair : lbi2diff_lbi) {
-    auto* mut_pair = mut_pairs.add_pair();
-    *mut_pair->mutable_first() = pair.first;
-    *mut_pair->mutable_second() = pair.second;
-  }
-}
-
-void BindIdenticalSbpObaPairsBetweenIbns(const OpNode& op_node, JobBuilder* job_builder) {
-  HashMap<LogicalBlobId, std::vector<OpBlobArg>> in_lbi2obas;
-  for (const std::string& ibn : op_node.op().input_bns()) {
-    in_lbi2obas[op_node.op().BnInOp2Lbi(ibn)].push_back(GenOpBlobArg(op_node.op().op_name(), ibn));
-  }
-  for (const auto& pair : in_lbi2obas) {
-    if (pair.second.size() > 1) {
-      FOR_RANGE(int32_t, i, 1, pair.second.size()) {
-        job_builder->BindIdenticalSbpOpBlobArgPair(pair.second.at(0), pair.second.at(i));
-      }
-    }
-  }
-}
-
-void SetSbpSignatureHintByIdenticalSbpObaPairs(const OpGraph& op_graph, JobBuilder* job_builder) {
-  HashMap<OpBlobArg, const SbpParallel*> oba2sbp_parallel;
-  op_graph.ForEachNode([&](OpNode* op_node) {
-    auto ForEachBn = [&](const std::function<void(const std::string&)>& Handler) {
-      for (const auto& ibn : op_node->op().input_bns()) { Handler(ibn); }
-      for (const auto& obn : op_node->op().output_bns()) { Handler(obn); }
-    };
-    ForEachBn([&](const std::string& bn_in_op) {
-      const auto& oba = GenOpBlobArg(op_node->op().op_name(), bn_in_op);
-      oba2sbp_parallel[oba] = &op_node->SbpParallel4Lbi(op_node->op().BnInOp2Lbi(bn_in_op));
-    });
-  });
-  auto HasSbpParallel = [&](const OpBlobArg& oba) {
-    return oba2sbp_parallel.find(oba) != oba2sbp_parallel.end();
-  };
-  for (const auto& pair : job_builder->job().helper().identical_sbp_oba_pairs().pair()) {
-    const SbpParallel* sbp_parallel = nullptr;
-    if (HasSbpParallel(pair.first()) && HasSbpParallel(pair.second())) {
-      CHECK(oba2sbp_parallel.at(pair.first()) == oba2sbp_parallel.at(pair.second()));
-      sbp_parallel = oba2sbp_parallel.at(pair.first());
-    } else if (HasSbpParallel(pair.first())) {
-      sbp_parallel = oba2sbp_parallel.at(pair.first());
-    } else if (HasSbpParallel(pair.second())) {
-      sbp_parallel = oba2sbp_parallel.at(pair.second());
-    } else {
-      UNIMPLEMENTED();
-    }
-    *job_builder->MutSbpParallel4Oba(pair.first()) = *sbp_parallel;
-    *job_builder->MutSbpParallel4Oba(pair.second()) = *sbp_parallel;
-  }
-}
-
-void UpdateOpSbpSignatureHint(const OpGraph& op_graph, JobBuilder* job_builder) {
-  op_graph.ForEachNode(
-      [&](OpNode* op_node) { BindIdenticalSbpObaPairsBetweenIbns(*op_node, job_builder); });
-  SetSbpSignatureHintByIdenticalSbpObaPairs(op_graph, job_builder);
-}
-
-void GenerateOpConf4Trainning(const OpGraph& op_graph, JobBuilder* job_builder) {
-  LogicalBlobId total_loss_instance_num;
-  HashMap<LogicalBlobId, LogicalBlobId> lbi2diff_lbi;
-  AutoGrad(op_graph, job_builder, &lbi2diff_lbi);
-  std::function<const LogicalBlobId&(const ParallelDesc&)> LossInstanceNum4ParallelDesc;
-  AddTotalLossInstanceNumOpConf(op_graph, job_builder, lbi2diff_lbi, &LossInstanceNum4ParallelDesc);
-  AddOptimizerOpConf(op_graph, job_builder, lbi2diff_lbi, LossInstanceNum4ParallelDesc);
-  UpdateJobHelperConfProducedLbi2ConsumedDiffLbi(lbi2diff_lbi, job_builder);
-  UpdateOpSbpSignatureHint(op_graph, job_builder);
-}
-
-std::function<ParallelConf*(const std::string&)> MakeGetterMutParallelConf4OpName(
-    Placement* placement) {
-  auto op_name2parallel_conf = std::make_shared<HashMap<std::string, ParallelConf*>>();
-  FOR_RANGE(int, idx, 0, placement->placement_group_size()) {
-    auto* placement_group = placement->mutable_placement_group(idx);
-    for (const std::string& op_name : placement_group->op_set().op_name()) {
-      ParallelConf* parallel_conf = placement_group->mutable_parallel_conf();
-      CHECK(op_name2parallel_conf->emplace(op_name, parallel_conf).second);
-    }
-  }
-  return [op_name2parallel_conf](const std::string& op_name) {
-    return op_name2parallel_conf->at(op_name);
-  };
-}
-
 void SetCtrlInOpName4VariableOp(const OpGraph& op_graph, JobBuilder* job_builder) {
   auto IsMutableConsumedLbi = [](const Operator& op, const LogicalBlobId& lbi) -> bool {
     for (const std::string& bn : op.input_bns()) {
@@ -179,28 +83,20 @@ void DumpLogicalBlobDescAndSbpSignature(const OpGraph& op_graph, JobBuilder* job
   op_graph.DumpSbpSignature(job_builder);
 }
 
-void MakeNcclTupleBroadcastReduceSequence(const OpGraph& op_graph, JobBuilder* job_builder) {
-  NcclTupleBroadcastReduceSequencePass().Apply(op_graph, job_builder);
-}
-
 }  // namespace
 
 void JobCompleter::Complete(Job* job) const {
-  // complete variable ops
   FunctionPass("SetDefaultVariableConf")(job);
   FunctionPass("AutoMixedPrecision")(job);
-  if (GlobalJobDesc().IsTrain()) {
-    FunctionPass("TieUpChainHeadersUnReachableFromAnyVariableOps")(job);
-    FunctionPass("NonDistributedOptimizerPass")(job);
-    WithOpGraphAndMutJob(job, &AutoTrainStep);
-    WithOpGraphAndMutJob(job, &AutoLearningRate);
-    // complete ops for trainning
-    WithOpGraphAndMutJobBuilder(job, &GenerateOpConf4Trainning);
-    WithOpGraphAndMutJobBuilder(job, &MakeNcclTupleBroadcastReduceSequence);
-    AllReduceAddPass()(job);
-    AddLbiDiffWatcherOpConfs(job);
-    AllReduceSequencePass()(job);
-  }
+  FunctionPass("TieUpChainHeadersUnReachableFromAnyVariableOps")(job);
+  FunctionPass("NonDistributedOptimizerPass")(job);
+  FunctionPass("AutoTrainStep")(job);
+  FunctionPass("AutoLearningRate")(job);
+  FunctionPass("GenerateBackwardAndOptimizerOpConfs")(job);
+  FunctionPass("SequentializeNcclTupleBroadcastReducePass")(job);
+  FunctionPass("AddAllReduceGroupPass")(job);
+  FunctionPass("AddLbiDiffWatcherOpConfs")(job);
+  FunctionPass("SequentializeAllReduceGroupPass")(job);
   WithOpGraphAndMutJobBuilder(job, &DumpLogicalBlobDescAndSbpSignature);
   WithOpGraphAndMutJobBuilder(job, &GroupBoxingByDstParallel);
   WithOpGraphAndMutJobBuilder(job, &AddKeepHeaderOnlyOp);
diff --git a/oneflow/core/job_completer/nccl_tuple_broadcast_reduce_sequence_pass.h b/oneflow/core/job_completer/nccl_tuple_broadcast_reduce_sequence_pass.h
deleted file mode 100644
index 928bd70a664dff249011b6a0ffb94ee696479597..0000000000000000000000000000000000000000
--- a/oneflow/core/job_completer/nccl_tuple_broadcast_reduce_sequence_pass.h
+++ /dev/null
@@ -1,22 +0,0 @@
-#ifndef ONEFLOW_CORE_JOB_COMPLETER_NCCL_TUPLE_BROADCAST_REDUCE_SEQUENCE_PASS_H_
-#define ONEFLOW_CORE_JOB_COMPLETER_NCCL_TUPLE_BROADCAST_REDUCE_SEQUENCE_PASS_H_
-
-#include "oneflow/core/common/util.h"
-
-namespace oneflow {
-
-class OpGraph;
-class JobBuilder;
-
-class NcclTupleBroadcastReduceSequencePass final {
- public:
-  OF_DISALLOW_COPY_AND_MOVE(NcclTupleBroadcastReduceSequencePass);
-  NcclTupleBroadcastReduceSequencePass() = default;
-  ~NcclTupleBroadcastReduceSequencePass() = default;
-
-  void Apply(const OpGraph& op_graph, JobBuilder* job_builder) const;
-};
-
-}  // namespace oneflow
-
-#endif  // #define ONEFLOW_CORE_JOB_COMPLETER_NCCL_TUPLE_BROADCAST_REDUCE_SEQUENCE_PASS_H_
diff --git a/oneflow/core/job_completer/non_distributed_optimizer_pass.cpp b/oneflow/core/job_completer/non_distributed_optimizer_pass.cpp
index 9d52f517843bc44843ebb46be12e1cb61925e35e..b2ea585a6d54cb74fc57067979ed1a3b65c935ed 100644
--- a/oneflow/core/job_completer/non_distributed_optimizer_pass.cpp
+++ b/oneflow/core/job_completer/non_distributed_optimizer_pass.cpp
@@ -35,7 +35,9 @@ class NonDistributedOptimizerPass final : public OpGraphPass {
   OF_DISALLOW_COPY_AND_MOVE(NonDistributedOptimizerPass);
   NonDistributedOptimizerPass() = default;
   ~NonDistributedOptimizerPass() = default;
-  bool IsEnabled() const override { return GlobalJobDesc().enable_non_distributed_optimizer(); }
+  bool IsEnabled() const override {
+    return GlobalJobDesc().IsTrain() && GlobalJobDesc().enable_non_distributed_optimizer();
+  }
   void Apply(const OpGraph& op_graph, JobBuilder* job_builder) const override;
 };
 
diff --git a/oneflow/core/job_completer/op_graph_pass.h b/oneflow/core/job_completer/op_graph_pass.h
index 28948b7b65ffb38169c39809accef77fe360663c..4334a35867437cc4681d3101ff9e8e25d38f1770 100644
--- a/oneflow/core/job_completer/op_graph_pass.h
+++ b/oneflow/core/job_completer/op_graph_pass.h
@@ -9,6 +9,9 @@ namespace oneflow {
 
 class OpGraphPass {
  public:
+  OpGraphPass() = default;
+  virtual ~OpGraphPass() = default;
+
   void operator()(Job* job) const {
     if (IsEnabled() == false) { return; }
     Apply(job);
diff --git a/oneflow/core/job_completer/all_reduce_sequence_pass.cpp b/oneflow/core/job_completer/sequentialize_all_reduce_group_pass.cpp
similarity index 79%
rename from oneflow/core/job_completer/all_reduce_sequence_pass.cpp
rename to oneflow/core/job_completer/sequentialize_all_reduce_group_pass.cpp
index 6b565bef4e36e8ff64db7c06c5f2ae38fc35cc51..6a697b0a35482db39e7e66f27cab6a5a1a78e75a 100644
--- a/oneflow/core/job_completer/all_reduce_sequence_pass.cpp
+++ b/oneflow/core/job_completer/sequentialize_all_reduce_group_pass.cpp
@@ -1,4 +1,4 @@
-#include "oneflow/core/job_completer/all_reduce_sequence_pass.h"
+#include "oneflow/core/job_completer/op_graph_pass.h"
 
 namespace oneflow {
 
@@ -52,9 +52,18 @@ void ReOrderAllReduceGroups(std::vector<AllReduceGroup>* all_reduce_groups) {
             all_reduce_groups->end() - lazy_count);
 }
 
-}  // namespace
+class SequentializeAllReduceGroupPass final : public OpGraphPass {
+ public:
+  SequentializeAllReduceGroupPass() = default;
+  ~SequentializeAllReduceGroupPass() = default;
+  bool IsEnabled() const override {
+    return GlobalJobDesc().IsTrain() && !GlobalJobDesc().disable_all_reduce_sequence();
+  }
+  void Apply(const OpGraph& op_graph, JobBuilder* job_builder) const override;
+};
 
-void AllReduceSequencePass::Apply(const OpGraph& op_graph, JobBuilder* job_builder) const {
+void SequentializeAllReduceGroupPass::Apply(const OpGraph& op_graph,
+                                            JobBuilder* job_builder) const {
   std::vector<AllReduceGroup> all_reduce_groups;
   FindAllReduceGroups(op_graph, &all_reduce_groups);
   ReOrderAllReduceGroups(&all_reduce_groups);
@@ -68,4 +77,8 @@ void AllReduceSequencePass::Apply(const OpGraph& op_graph, JobBuilder* job_build
   }
 }
 
+REGISTER_FUNCTION_PASS("SequentializeAllReduceGroupPass", SequentializeAllReduceGroupPass);
+
+}  // namespace
+
 }  // namespace oneflow
diff --git a/oneflow/core/job_completer/nccl_tuple_broadcast_reduce_sequence_pass.cpp b/oneflow/core/job_completer/sequentialize_nccl_tuple_broadcast_reduce_pass.cpp
similarity index 67%
rename from oneflow/core/job_completer/nccl_tuple_broadcast_reduce_sequence_pass.cpp
rename to oneflow/core/job_completer/sequentialize_nccl_tuple_broadcast_reduce_pass.cpp
index 0d45f26b1fc2b6d6a6cbe0c85f85606f636420fd..b7ca1d1c2a8e27938e32a52d3c183fb131931a0d 100644
--- a/oneflow/core/job_completer/nccl_tuple_broadcast_reduce_sequence_pass.cpp
+++ b/oneflow/core/job_completer/sequentialize_nccl_tuple_broadcast_reduce_pass.cpp
@@ -1,10 +1,21 @@
-#include "oneflow/core/job_completer/nccl_tuple_broadcast_reduce_sequence_pass.h"
+#include "oneflow/core/job_completer/op_graph_pass.h"
 #include "oneflow/core/graph/op_graph.h"
 
 namespace oneflow {
 
-void NcclTupleBroadcastReduceSequencePass::Apply(const OpGraph& op_graph,
-                                                 JobBuilder* builder) const {
+class SequentializeNcclTupleBroadcastReducePass final : public OpGraphPass {
+ public:
+  OF_DISALLOW_COPY_AND_MOVE(SequentializeNcclTupleBroadcastReducePass);
+  SequentializeNcclTupleBroadcastReducePass() = default;
+  ~SequentializeNcclTupleBroadcastReducePass() = default;
+
+  bool IsEnabled() const override { return GlobalJobDesc().IsTrain(); }
+
+  void Apply(const OpGraph& op_graph, JobBuilder* job_builder) const override;
+};
+
+void SequentializeNcclTupleBroadcastReducePass::Apply(const OpGraph& op_graph,
+                                                      JobBuilder* builder) const {
   std::vector<OperatorConf> broadcast_ops;
   std::vector<OperatorConf> reduce_ops;
   op_graph.ForEachNode([&](const OpNode* node) {
@@ -41,4 +52,7 @@ void NcclTupleBroadcastReduceSequencePass::Apply(const OpGraph& op_graph,
   builder->MutOpsOnlyOnce(reduce_ops);
 }
 
+REGISTER_FUNCTION_PASS("SequentializeNcclTupleBroadcastReducePass",
+                       SequentializeNcclTupleBroadcastReducePass);
+
 }  // namespace oneflow
diff --git a/oneflow/core/job_completer/tie_up_chain_headers.cpp b/oneflow/core/job_completer/tie_up_chain_headers.cpp
index db6611487b9e7db71b695c0a75dbd600fb4a0bfc..d86b8088b08ef67c39a47f24467612feb0046f19 100644
--- a/oneflow/core/job_completer/tie_up_chain_headers.cpp
+++ b/oneflow/core/job_completer/tie_up_chain_headers.cpp
@@ -94,7 +94,9 @@ std::function<bool(OpNode*)> MakePredicatorIsReachableFromAnyVariableOps(const O
 REGISTER_FUNCTION_CONFIG_DEF().Bool("enable_pseudo_chain_merge", false,
                                     "ties up chain headers unreachable from any variable ops");
 class TieUpChainHeadersUnReachableFromAnyVariableOps final : public OpGraphPass {
-  bool IsEnabled() const override { return GlobalJobDesc().Bool("enable_pseudo_chain_merge"); }
+  bool IsEnabled() const override {
+    return GlobalJobDesc().IsTrain() && GlobalJobDesc().Bool("enable_pseudo_chain_merge");
+  }
 
   void Apply(const OpGraph& op_graph, Job* job) const override {
     auto IsReachableFromAnyVariableOps = MakePredicatorIsReachableFromAnyVariableOps(op_graph);