refactor: ProcessGroupNCCL (#47740)

PaddlePaddle · Nov 9, 2022 · ae14bad · ae14bad
1 parent 87d9724
commit ae14bad
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Showing 4 changed files with 85 additions and 147 deletions.
diff --git a/paddle/fluid/distributed/collective/ProcessGroup.h b/paddle/fluid/distributed/collective/ProcessGroup.h
@@ -350,14 +350,6 @@ class ProcessGroup {
         GetBackendName()));
   }
 
-  virtual std::shared_ptr<ProcessGroup::Task> _ReduceScatterBase(
-      phi::DenseTensor&,  // NOLINT
-      phi::DenseTensor&,  // NOLINT
-      const ReduceScatterOptions&) {
-    PADDLE_THROW(platform::errors::InvalidArgument(
-        "ProcessGroup%s does not support ReduceScatter", GetBackendName()));
-  }
-
  protected:
   const int rank_;
   const int size_;