delay tensorrt registry (#45824)

* Delay TensorRT registry
* Add unused define
* Fix TensorRT test
* fix function to reference
* Update trt_plugin.h

paddle/fluid/inference/analysis/ir_passes/tensorrt_subgraph_pass.cc

@@ -32,6 +32,7 @@
 #include "paddle/fluid/inference/tensorrt/engine.h"
 #include "paddle/fluid/inference/tensorrt/helper.h"
 #include "paddle/fluid/inference/tensorrt/op_teller.h"
+#include "paddle/fluid/inference/tensorrt/plugin/trt_plugin.h"
 #include "paddle/fluid/inference/utils/io_utils.h"
 #include "paddle/phi/common/backend.h"
 #include "paddle/phi/common/data_type.h"
@@ -117,6 +118,11 @@ void analysis::TensorRtSubgraphPass::ApplyImpl(
     framework::ir::Graph *graph) const {
   framework::ir::FusePassBase::Init("tensorrt_subgraph_pass", graph);
 
+  static std::once_flag trt_plugin_registered;
+  std::call_once(trt_plugin_registered, []() {
+    tensorrt::plugin::TrtPluginRegistry::Global()->RegistToTrt();
+  });
+
   auto model_precision =
       static_cast<phi::DataType>(Get<int>("model_precision"));
   if (model_precision == phi::DataType::BFLOAT16) {

paddle/fluid/inference/tensorrt/plugin/trt_plugin.h

@@ -38,6 +38,13 @@ namespace inference {
 namespace tensorrt {
 namespace plugin {
 
+#if defined(_WIN32)
+#define UNUSED
+#define __builtin_expect(EXP, C) (EXP)
+#else
+#define UNUSED __attribute__((unused))
+#endif
+
 class PluginTensorRT;
 
 typedef std::function<PluginTensorRT*(const void*, size_t)>
@@ -372,6 +379,26 @@ class TensorRTPluginCreator : public nvinfer1::IPluginCreator {
   std::vector<nvinfer1::PluginField> plugin_attributes_;
 };
 
+class TrtPluginRegistry {
+ public:
+  static TrtPluginRegistry* Global() {
+    static TrtPluginRegistry registry;
+    return &registry;
+  }
+  bool Regist(const std::string& name, const std::function<void()>& func) {
+    map.emplace(name, func);
+    return true;
+  }
+  void RegistToTrt() {
+    for (auto& it : map) {
+      it.second();
+    }
+  }
+
+ private:
+  std::unordered_map<std::string, std::function<void()>> map;
+};
+
 template <typename T>
 class TrtPluginRegistrarV2 {
  public:
@@ -386,9 +413,14 @@ class TrtPluginRegistrarV2 {
   T creator;
 };
 
-#define REGISTER_TRT_PLUGIN_V2(name)                                     \
+#define REGISTER_TRT_PLUGIN_V2(name) REGISTER_TRT_PLUGIN_V2_HELPER(name)
+
+#define REGISTER_TRT_PLUGIN_V2_HELPER(name)                                    \
+  UNUSED static bool REGISTER_TRT_PLUGIN_V2_HELPER##name =                     \
+      TrtPluginRegistry::Global()->Regist(#name, []() -> void {                \
         static paddle::inference::tensorrt::plugin::TrtPluginRegistrarV2<name> \
-      plugin_registrar_##name {}
+            plugin_registrar_##name{};                                         \
+      });
 
 }  // namespace plugin
 }  // namespace tensorrt

paddle/fluid/inference/tensorrt/test_dynamic_engine.cc

@@ -284,6 +284,7 @@ class TensorRTDynamicTestFusedTokenPrune : public ::testing::Test {
 
 TEST_F(TensorRTDynamicTestFusedTokenPrune, test_fused_token_prune) {
 #if IS_TRT_VERSION_GE(8000)
+  tensorrt::plugin::TrtPluginRegistry::Global()->RegistToTrt();
   auto *attn = engine_->DeclareInput(
       "attn", nvinfer1::DataType::kHALF, nvinfer1::Dims4{-1, 1, 4, 4});
   auto *x = engine_->DeclareInput(

paddle/fluid/platform/dynload/tensorrt.cc

@@ -41,21 +41,11 @@ void* GetDsoHandle(const std::string& dso_name) {
 
   void* dso_handle = dlopen(dso_name.c_str(), dynload_flags);
 
-  if (nullptr == dso_handle) {
-    auto error_msg =
-        "You are using Paddle compiled with TensorRT, but TensorRT dynamic "
-        "library is not found. Ignore this if TensorRT is not needed.\n"
-        "The TensorRT that Paddle depends on is not configured correctly.\n"
-        "  Suggestions:\n"
-        "  1. Check if the TensorRT is installed correctly and its version"
-        " is matched with paddlepaddle you installed.\n"
-        "  2. Configure environment variables as "
-        "follows:\n"
-        "  - Linux: set LD_LIBRARY_PATH by `export LD_LIBRARY_PATH=...`\n"
-        "  - Windows: set PATH by `set PATH=XXX;%PATH%`\n"
-        "  - Mac: set  DYLD_LIBRARY_PATH by `export DYLD_LIBRARY_PATH=...`\n";
-    LOG(WARNING) << error_msg;
-  }
+  PADDLE_ENFORCE_NOT_NULL(dso_handle,
+                          paddle::platform::errors::NotFound(
+                              "TensorRT is needed, "
+                              "but TensorRT dynamic library is not found."));
+
   return dso_handle;
 }
 

paddle/phi/backends/dynload/tensorrt.cc

@@ -40,21 +40,10 @@ void* GetDsoHandle(const std::string& dso_name) {
 
   void* dso_handle = dlopen(dso_name.c_str(), dynload_flags);
 
-  if (nullptr == dso_handle) {
-    auto error_msg =
-        "You are using Paddle compiled with TensorRT, but TensorRT dynamic "
-        "library is not found. Ignore this if TensorRT is not needed.\n"
-        "The TensorRT that Paddle depends on is not configured correctly.\n"
-        "  Suggestions:\n"
-        "  1. Check if the TensorRT is installed correctly and its version"
-        " is matched with paddlepaddle you installed.\n"
-        "  2. Configure environment variables as "
-        "follows:\n"
-        "  - Linux: set LD_LIBRARY_PATH by `export LD_LIBRARY_PATH=...`\n"
-        "  - Windows: set PATH by `set PATH=XXX;%PATH%`\n"
-        "  - Mac: set  DYLD_LIBRARY_PATH by `export DYLD_LIBRARY_PATH=...`\n";
-    LOG(WARNING) << error_msg;
-  }
+  PADDLE_ENFORCE_NOT_NULL(dso_handle,
+                          paddle::platform::errors::NotFound(
+                              "TensorRT is needed, "
+                              "but TensorRT dynamic library is not found."));
   return dso_handle;
 }