src: only set v8 flags if argc > 1

ParseArgs sets the first element of v8_args to argv[0], so v8_argc will always be at least 1. This change only calls V8::SetFlagsFromCommandLine if v8_argc > 1, leading to an additional startup improvement of ~5%. PR-URL: nodejs#2646 Reviewed-By: trevnorris - Trevor Norris <[email protected]>
aredridel · Sep 2, 2015 · 45fb340 · 45fb340
1 parent 112c527
commit 45fb340
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/node.cc b/src/node.cc
@@ -3688,7 +3688,7 @@ void Init(int* argc,
 #endif
   // The const_cast doesn't violate conceptual const-ness.  V8 doesn't modify
   // the argv array or the elements it points to.
-  if (v8_argc != 0)
+  if (v8_argc > 1)
     V8::SetFlagsFromCommandLine(&v8_argc, const_cast<char**>(v8_argv), true);
 
   // Anything that's still in v8_argv is not a V8 or a node option.