From e7da0940f985032a8c29be8d22535e5fa03c9fe0 Mon Sep 17 00:00:00 2001
From: chengduo <30176695+chengduoZH@users.noreply.github.com>
Date: Fri, 2 Aug 2019 10:12:35 +0800
Subject: [PATCH] Disable fuse optimization option (#18924)

* Disable fuse optimization
test=develop
---
 paddle/fluid/framework/details/build_strategy.cc | 8 +++++++-
 paddle/fluid/framework/details/build_strategy.h  | 2 +-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/paddle/fluid/framework/details/build_strategy.cc b/paddle/fluid/framework/details/build_strategy.cc
index 464226b4a82..68e8e631041 100644
--- a/paddle/fluid/framework/details/build_strategy.cc
+++ b/paddle/fluid/framework/details/build_strategy.cc
@@ -77,7 +77,7 @@ class ParallelExecutorPassBuilder : public ir::PassBuilder {
     // Specifies the restrictions between different pass.
     if (strategy_.enable_parallel_graph_) {
       VLOG_IF(3, strategy_.fuse_all_optimizer_ops_)
-          << "Currently, fuse_all_optimizer_ops doesn't works under "
+          << "Currently, fuse_all_optimizer_ops doesn't work under "
              "parallel_graph.";
       strategy_.fuse_all_optimizer_ops_ = false;
     }
@@ -96,6 +96,12 @@ class ParallelExecutorPassBuilder : public ir::PassBuilder {
           << "fuse_all_optimizer_ops only work in Reducer mode.";
       strategy_.fuse_all_reduce_ops_ = false;
     }
+    if (strategy_.async_mode_) {
+      VLOG_IF(3, strategy_.fuse_all_optimizer_ops_)
+          << "Currently, fuse_all_optimizer_ops doesn't work under "
+             "async mode.";
+      strategy_.fuse_all_optimizer_ops_ = false;
+    }
   }
 
   void AppendMultiGraphOptPasses() {
diff --git a/paddle/fluid/framework/details/build_strategy.h b/paddle/fluid/framework/details/build_strategy.h
index 929cb51b845..b67a313df6c 100644
--- a/paddle/fluid/framework/details/build_strategy.h
+++ b/paddle/fluid/framework/details/build_strategy.h
@@ -89,7 +89,7 @@ struct BuildStrategy {
   bool fuse_elewise_add_act_ops_{false};
   // Fuse_all_optimizer_ops and fuse_all_reduce_ops require that gradients
   // should not be sparse types
-  bool fuse_all_optimizer_ops_{true};
+  bool fuse_all_optimizer_ops_{false};
   bool fuse_all_reduce_ops_{false};
   // fuse_relu_depthwise_conv can fuse the `relu ->
   // depthwise_conv`
-- 
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