unify naming style (#39481)

paddle/pten/core/infermeta_utils.cc

@@ -83,8 +83,8 @@ MetaTensor* InferMetaContext::MutableOutputAt(size_t idx) {
   return outputs_.at(idx).get();
 }
 
-MetaFunctionMap& MetaFunctionMap::Instance() {
-  static MetaFunctionMap g_meta_fn_map;
+MetaFnFactory& MetaFnFactory::Instance() {
+  static MetaFnFactory g_meta_fn_map;
   return g_meta_fn_map;
 }
 

paddle/pten/core/infermeta_utils.h

@@ -194,9 +194,9 @@ struct InferMetaFnImpl<Return (*)(Args...), infer_meta_fn> {
   };
 };
 
-class MetaFunctionMap {
+class MetaFnFactory {
  public:
-  static MetaFunctionMap& Instance();
+  static MetaFnFactory& Instance();
 
   bool Contains(const std::string& kernel_name_prefix) const {
     return meta_fn_map_.count(kernel_name_prefix) > 0;
@@ -225,7 +225,7 @@ class MetaFunctionMap {
   }
 
  private:
-  MetaFunctionMap() = default;
+  MetaFnFactory() = default;
 
   /**
    * [ Why use kernel name prefix? ]
@@ -243,14 +243,14 @@ class MetaFunctionMap {
    */
   paddle::flat_hash_map<std::string, InferMetaFn> meta_fn_map_;
 
-  DISABLE_COPY_AND_ASSIGN(MetaFunctionMap);
+  DISABLE_COPY_AND_ASSIGN(MetaFnFactory);
 };
 
 struct InferMetaFnRegistrar {
   InferMetaFnRegistrar(const char* kernel_name_prefix,
                        InferMetaFn infer_meta_fn) {
-    MetaFunctionMap::Instance().Insert(kernel_name_prefix,
-                                       std::move(infer_meta_fn));
+    MetaFnFactory::Instance().Insert(kernel_name_prefix,
+                                     std::move(infer_meta_fn));
   }
 };
 

paddle/pten/tests/core/test_meta_fn_utils.cc

@@ -22,7 +22,7 @@ limitations under the License. */
 namespace pten {
 namespace tests {
 
-TEST(MetaFunctionMap, InferMetaFnExists) {
+TEST(MetaFnFactory, InferMetaFnExists) {
   pten::DenseTensor dense_x;
   dense_x.Resize(pten::framework::make_ddim({3, 4}));
 
@@ -38,7 +38,7 @@ TEST(MetaFunctionMap, InferMetaFnExists) {
   ctx.EmplaceBackInput(shared_meat_x);
   ctx.EmplaceBackOutput(shared_meta_out);
   ctx.SetMetaConfig(/*is_runtime=*/true);
-  pten::MetaFunctionMap::Instance().Get("sign")(&ctx);
+  pten::MetaFnFactory::Instance().Get("sign")(&ctx);
 
   EXPECT_EQ(dense_out1.dims().size(), dense_out2.dims().size());
   EXPECT_EQ(dense_out1.dims()[0], dense_out2.dims()[0]);