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diff --git a/libstdc++-v3/testsuite/util/performance/assoc/timing/subscript_insert_test.hpp b/libstdc++-v3/testsuite/util/performance/assoc/timing/subscript_insert_test.hpp
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+++ b/libstdc++-v3/testsuite/util/performance/assoc/timing/subscript_insert_test.hpp
@@ -0,0 +1,134 @@
+// -*- C++ -*-
+
+// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the terms
+// of the GNU General Public License as published by the Free Software
+// Foundation; either version 3, or (at your option) any later
+// version.
+
+// This library is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+
+// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
+
+// Permission to use, copy, modify, sell, and distribute this software
+// is hereby granted without fee, provided that the above copyright
+// notice appears in all copies, and that both that copyright notice
+// and this permission notice appear in supporting documentation. None
+// of the above authors, nor IBM Haifa Research Laboratories, make any
+// representation about the suitability of this software for any
+// purpose. It is provided "as is" without express or implied
+// warranty.
+
+/**
+ * @file subscript_insert_test.hpp
+ * Contains a generic subscript_insert_test test.
+ */
+
+#ifndef PB_DS_SUBSCRIPT_TEST_HPP
+#define PB_DS_SUBSCRIPT_TEST_HPP
+
+#include <performance/time/timing_test_base.hpp>
+#include <performance/io/xml_formatter.hpp>
+#include <common_type/assoc/string_form.hpp>
+#include <iterator>
+
+namespace __gnu_pbds
+{
+  namespace test
+  {
+    namespace detail
+    {
+      template<typename It, class Cntnr>
+      class subscript_insert_functor
+      {
+      public:
+        subscript_insert_functor(It ins_it_b,  It ins_it_e) 
+	: m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e)
+	{ }
+
+	void
+        operator()(std::size_t resolution)
+	{
+	  for (std::size_t i = 0; i < resolution; ++i)
+	    {
+	      Cntnr cntnr;
+	      for (It ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
+                ++cntnr[ins_it->first];
+	    }
+	}
+
+      private:
+	const It m_ins_it_b;
+	const It m_ins_it_e;
+      };
+
+    } // namespace detail
+
+    template<typename It>
+    class subscript_insert_test : private __gnu_pbds::test::detail::timing_test_base
+    {
+    public:
+      subscript_insert_test(It ins_b, It b, size_t ins_vn, size_t ins_vs, 
+			    size_t ins_vm, size_t vn, size_t vs, size_t vm)
+      : m_ins_b(ins_b), m_fnd_b(b), m_ins_vn(ins_vn), m_ins_vs(ins_vs), 
+	m_ins_vm(ins_vm), m_fnd_vn(vn), m_fnd_vs(vs), m_fnd_vm(vm)
+      { }
+
+      template<typename Cntnr>
+      void
+      operator()(Cntnr);
+
+    private:
+      subscript_insert_test(const subscript_insert_test& );
+
+    private:
+      const It m_ins_b;
+      const It m_fnd_b;
+      const size_t m_ins_vn;
+      const size_t m_ins_vs;
+      const size_t m_ins_vm;
+      const size_t m_fnd_vn;
+      const size_t m_fnd_vs;
+      const size_t m_fnd_vm;
+    };
+
+    template<typename It>
+    template<typename Cntnr>
+    void
+    subscript_insert_test<It>::
+    operator()(Cntnr)
+    {
+      typedef xml_result_set_performance_formatter formatter_type;
+      formatter_type res_set_fmt(string_form<Cntnr>::name(),
+				 string_form<Cntnr>::desc());
+
+      for (size_t i = 0; m_ins_vn + i * m_ins_vs < m_ins_vm; ++i)
+	{
+	  const size_t v = m_ins_vn + i * m_ins_vs;
+	  It ins_it_b = m_ins_b;
+	  It ins_it_e = m_ins_b;
+	  std::advance(ins_it_e, v);
+	  __gnu_pbds::test::detail::subscript_insert_functor<It, Cntnr>
+            fn(ins_it_b, ins_it_e);
+
+	  const double res =
+            __gnu_pbds::test::detail::timing_test_base::operator()(fn);
+
+	  res_set_fmt.add_res(v, res / v);
+	}
+    }
+  } // namespace test
+} // namespace __gnu_pbds
+
+#endif 
+