set enable_runtime_context_cache_ default false

test=develop

paddle/fluid/inference/api/analysis_config.cc

@@ -205,8 +205,6 @@ void AnalysisConfig::Update() {
       // Append after the Affine_channel_conv_fuse pass.
       pass_builder()->InsertPass(3, "tensorrt_subgraph_pass");
     }
-    // runtime_context_cache isn't fit for tensorrt.
-    enable_runtime_context_cache_ = false;
   }
 
   if (use_mkldnn_) {

paddle/fluid/inference/api/paddle_analysis_config.h

@@ -278,7 +278,7 @@ struct AnalysisConfig {
   // since the input/output names of this Op do not change in the execution,
   // RuntimeContext could be created only at the first iteration of this Op's
   // execution to save the elapsed time.
-  bool enable_runtime_context_cache_{true};
+  bool enable_runtime_context_cache_{false};
 
   // A runtime cache, shouldn't be transferred to others.
   std::string serialized_info_cache_;

paddle/fluid/inference/tests/api/analyzer_pyramid_dnn_tester.cc

@@ -107,6 +107,7 @@ void SetConfig(AnalysisConfig *cfg) {
   cfg->DisableGpu();
   cfg->SwitchSpecifyInputNames();
   cfg->SwitchIrOptim();
+  cfg->SwitchRuntimeContextCache();
   if (FLAGS_zero_copy) {
     cfg->SwitchUseFeedFetchOps(false);
   }