Changeset b14dd03 for doc/generic_types

Timestamp:

Apr 12, 2017, 3:57:49 PM (8 years ago)

Author:

Aaron Moss <a3moss@…>

Branches:

ADT, aaron-thesis, arm-eh, ast-experimental, cleanup-dtors, deferred_resn, demangler, enum, forall-pointer-decay, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, new-env, no_list, persistent-indexer, pthread-emulation, qualifiedEnum, resolv-new, with_gc

Children:

e869e434

Parents:

eaa5043

Message:

Fix performance bug in C++ virtual benchmark

Location:

doc/generic_types/evaluation

Files:

• Makefile (modified) (1 diff)
• cpp-vbench.cpp (modified) (1 diff)

doc/generic_types/evaluation/Makefile

@@ -6 +6 @@
 .PHONY: all clean distclean run-c run-cpp run-cfa run
 
-all: c-bench cpp-bench cfa-bench
+all: c-bench cpp-bench cfa-bench cpp-vbench
 
 # rewrite object generation to auto-determine deps

doc/generic_types/evaluation/cpp-vbench.cpp

@@ -42 +42 @@
         )
 
-        pair max2 = { std::make_unique<boolean>(false), std::make_unique<character>('\0') };
+        auto max2 = std::make_unique<pair>( std::make_unique<boolean>(false), 
+                std::make_unique<character>('\0') );
         REPEAT_TIMED( "pop_bool_char",
-                max2 = std::max( max2, t2.pop()->as<pair>() );
+                std::unique_ptr<object> x = t2.pop();
+                if ( x->as<pair>() > *max2 ) { max2.reset( static_cast<pair*>(x.release()) ); }
         )
 }