Add Debug log

7 years ago · 39a44e3834
parent fb370f4411
commit 39a44e3834
1 changed files with 2 additions and 0 deletions
--- a/paddle/fluid/framework/details/multi_devices_graph_builder.cc
+++ b/paddle/fluid/framework/details/multi_devices_graph_builder.cc
@ -173,6 +173,8 @@ std::unique_ptr<SSAGraph> MultiDevSSAGraphBuilder::Build(
            for (size_t i = 0; i < backward_vars.size(); ++i) {
              auto &p_name = backward_vars[i];
              auto &g_name = backward_vars[i + 1];
+              VLOG(10) << "Bcast " << g_name << " for parameter " << p_name;
+
              switch (strategy_.reduce_) {
                case BuildStrategy::ReduceStrategy::kReduce:
                  CreateReduceOp(&result, g_name, cur_device_id);