"fix error"

paddle/operators/nccl/nccl_ops.h

@@ -7,6 +7,8 @@
 namespace paddle {
 namespace operators {
 
+using framework::Tensor;
+
 template <typename Type>
 class NCCLTypeWrapper;
 
@@ -21,7 +23,7 @@ class NCCLTypeWrapper<double> {
 };
 
 template <typename T>
-class NCCLAllReduceKernel : public framework::OpKernel {
+class NCCLAllReduceKernel : public framework::OpKernel<T> {
  public:
   void Compute(const framework::ExecutionContext& ctx) const override {
     auto ins = ctx.MultiInput<Tensor>("X");
@@ -35,13 +37,14 @@ class NCCLAllReduceKernel : public framework::OpKernel {
       op_type = ncclProd;
     } else if (reduction == "ncclMin") {
       op_type = ncclMin;
-    } else
-      (reduction == "ncclMax") { op_type = ncclMax; }
+    } else if (reduction == "ncclMax") {
+      op_type = ncclMax;
+    }
 
     auto dev_ctx =
         static_cast<const platform::CUDADeviceContext>(ctx.device_context());
 
-    NCCLManager* m = NCCLManager::Get();
+    platform::NCCLManager* m = platform::NCCLManager::Get();
 
     auto* comm = m->GetCommunicator(gpus);
     comm->wg_.Add(1);