clear pass logs (#27434)

paddle/fluid/framework/ir/repeated_fc_relu_fuse_pass.cc

@@ -176,7 +176,8 @@ void BuildRepeatedFCReluPattern(PDPattern* pattern,
               return false;
             }
             if (x->IsVar() && x->Var() && x->Var()->GetShape().size() > 2) {
-              LOG(WARNING) << "repeated fc relu only supports input dims = 2";
+              VLOG(3) << "repeated fc relu only supports input dims = 2, so it "
+                         "is not applied.";
               return false;
             }
             int fc_idx = FindFCIdx(x);

paddle/fluid/framework/ir/shuffle_channel_detect_pass.cc

@@ -35,8 +35,6 @@ void ShuffleChannelDetectPass::ApplyImpl(ir::Graph* graph) const {
   const std::string pattern_name = "shufflechannel_pattern";
   FusePassBase::Init(pattern_name, graph);
 
-  LOG(WARNING) << "There is fluid.layers.shuffle_channel API already, you can "
-                  "use it instead of (reshape + transpose +reshape)";
   GraphPatternDetector gpd;
   auto* x = gpd.mutable_pattern()
                 ->NewNode("x")
@@ -85,6 +83,9 @@ void ShuffleChannelDetectPass::ApplyImpl(ir::Graph* graph) const {
     // Delete the unneeded nodes.
     GraphSafeRemoveNodes(graph, {reshape1_op, reshape1_out, transpose_op,
                                  transpose_out, reshape2_op});
+    LOG_FIRST_N(WARNING, 1)
+        << "There is fluid.layers.shuffle_channel API already, maybe you can "
+           "use it instead of (reshape + transpose + reshape)";
   };
 
   gpd(graph, handler);