bug fix, test=develop (#28648)

paddle/fluid/operators/collective/recv_v2_op.cu.cc

@@ -26,6 +26,7 @@ template <typename T>
 class RecvOpV2CUDAKernel : public framework::OpKernel<T> {
  public:
   void Compute(const framework::ExecutionContext &ctx) const override {
+#if defined(PADDLE_WITH_NCCL) && NCCL_VERSION_CODE >= 2703
     int rid = ctx.Attr<int>("ring_id");
     PADDLE_ENFORCE_GE(
         rid, 0,
@@ -44,7 +45,6 @@ class RecvOpV2CUDAKernel : public framework::OpKernel<T> {
     framework::proto::VarType::Type type =
         framework::proto::VarType::Type(data_type);
 
-#if defined(PADDLE_WITH_NCCL) && NCCL_VERSION_CODE >= 2703
     cudaStream_t stream = nullptr;
     auto place = ctx.GetPlace();
     auto comm = platform::NCCLCommContext::Instance().Get(rid, place);

paddle/fluid/operators/collective/send_v2_op.cu.cc

@@ -26,6 +26,7 @@ template <typename T>
 class SendOpV2CUDAKernel : public framework::OpKernel<T> {
  public:
   void Compute(const framework::ExecutionContext& ctx) const override {
+#if defined(PADDLE_WITH_NCCL) && NCCL_VERSION_CODE >= 2703
     auto x = ctx.Input<framework::LoDTensor>("X");
     int numel = x->numel();
 
@@ -42,7 +43,6 @@ class SendOpV2CUDAKernel : public framework::OpKernel<T> {
             "The peer (%d) for send_v2 op must be non-negative.", peer));
     cudaStream_t stream = nullptr;
     auto place = ctx.GetPlace();
-#if defined(PADDLE_WITH_NCCL) && NCCL_VERSION_CODE >= 2703
     auto comm = platform::NCCLCommContext::Instance().Get(rid, place);
     if (ctx.Attr<bool>("use_calc_stream")) {
       auto dev_ctx = platform::DeviceContextPool::Instance().Get(place);