From 140785d24c27f3afddbe95c9e504e27bf8274290 Mon Sep 17 00:00:00 2001
From: Nathan Binkert <nate@binkert.org>
Date: Wed, 10 Mar 2010 18:33:11 -0800
Subject: ruby: get rid of std-includes.hh Do not use "using namespace std;" in
 headers Include header files as needed

---
 src/mem/ruby/buffers/MessageBuffer.hh              | 23 ++++++++++++----------
 src/mem/ruby/buffers/MessageBufferNode.cc          |  3 ++-
 src/mem/ruby/buffers/MessageBufferNode.hh          | 10 ++++++----
 src/mem/ruby/common/Address.hh                     |  7 +++++--
 src/mem/ruby/common/Consumer.hh                    | 10 ++++++----
 src/mem/ruby/common/DataBlock.hh                   | 15 +++++++++-----
 src/mem/ruby/common/Debug.cc                       |  6 ++++--
 src/mem/ruby/common/Debug.hh                       | 15 +++++++++++++-
 src/mem/ruby/common/Global.hh                      |  1 -
 src/mem/ruby/common/Histogram.cc                   |  5 +++++
 src/mem/ruby/common/Histogram.hh                   | 14 +++++++------
 src/mem/ruby/eventqueue/RubyEventQueue.hh          | 10 ++++++----
 src/mem/ruby/eventqueue/RubyEventQueueNode.cc      |  2 +-
 src/mem/ruby/eventqueue/RubyEventQueueNode.hh      | 10 ++++++----
 .../garnet/fixed-pipeline/NetworkInterface_d.cc    |  2 ++
 .../garnet/flexible-pipeline/NetworkInterface.cc   |  2 ++
 src/mem/ruby/network/simple/PerfectSwitch.cc       |  6 +++---
 src/mem/ruby/network/simple/PerfectSwitch.hh       | 14 +++++++------
 src/mem/ruby/network/simple/Switch.cc              |  8 +++++---
 src/mem/ruby/network/simple/Switch.hh              | 14 +++++++------
 src/mem/ruby/network/simple/Topology.cc            |  7 ++++---
 src/mem/ruby/network/simple/Topology.hh            | 21 +++++++++++---------
 src/mem/ruby/profiler/CacheProfiler.hh             | 17 +++++++++-------
 src/mem/ruby/profiler/MemCntrlProfiler.cc          |  2 ++
 src/mem/ruby/profiler/MemCntrlProfiler.hh          | 17 +++++++++-------
 src/mem/ruby/profiler/Profiler.cc                  |  7 ++++---
 src/mem/ruby/recorder/CacheRecorder.hh             | 16 ++++++++-------
 src/mem/ruby/recorder/Tracer.cc                    |  6 +++---
 src/mem/ruby/recorder/Tracer.hh                    | 15 ++++++++------
 src/mem/ruby/slicc_interface/Message.hh            | 10 ++++++----
 src/mem/ruby/system/MachineID.hh                   | 11 +++++++----
 src/mem/ruby/system/MemoryNode.cc                  |  2 ++
 src/mem/ruby/system/MemoryNode.hh                  | 10 ++++++----
 src/mem/ruby/system/NodeID.hh                      |  4 +++-
 src/mem/ruby/system/PseudoLRUPolicy.hh             |  2 ++
 35 files changed, 203 insertions(+), 121 deletions(-)

(limited to 'src/mem/ruby')

diff --git a/src/mem/ruby/buffers/MessageBuffer.hh b/src/mem/ruby/buffers/MessageBuffer.hh
index 950423ee5..8d5a8de25 100644
--- a/src/mem/ruby/buffers/MessageBuffer.hh
+++ b/src/mem/ruby/buffers/MessageBuffer.hh
@@ -38,6 +38,9 @@
 #ifndef MESSAGEBUFFER_H
 #define MESSAGEBUFFER_H
 
+#include <iostream>
+#include <string>
+
 #include "mem/ruby/common/Global.hh"
 #include "mem/ruby/buffers/MessageBufferNode.hh"
 #include "mem/ruby/common/Consumer.hh"
@@ -49,13 +52,13 @@
 class MessageBuffer {
 public:
   // Constructors
-  MessageBuffer(const string &name = "");
+  MessageBuffer(const std::string &name = "");
 
   // ~MessageBuffer()
 
   // Public Methods
 
-  static void printConfig(ostream& out) {}
+  static void printConfig(std::ostream& out) {}
   void setRecycleLatency(int recycle_latency) { m_recycle_latency = recycle_latency; }
 
   // TRUE if head of queue timestamp <= SystemTime
@@ -73,8 +76,8 @@ public:
   int getPriority() { return m_priority_rank; }
   void setPriority(int rank) { m_priority_rank = rank; }
   void setConsumer(Consumer* consumer_ptr) { ASSERT(m_consumer_ptr==NULL); m_consumer_ptr = consumer_ptr; }
-  void setDescription(const string& name) { m_name = name; }
-  string getDescription() { return m_name;}
+  void setDescription(const std::string& name) { m_name = name; }
+  std::string getDescription() { return m_name;}
 
   Consumer* getConsumer() { return m_consumer_ptr; }
 
@@ -102,8 +105,8 @@ public:
 
   void clear();
 
-  void print(ostream& out) const;
-  void printStats(ostream& out);
+  void print(std::ostream& out) const;
+  void printStats(std::ostream& out);
   void clearStats() { m_not_avail_count = 0; m_msg_counter = 0; }
 
 private:
@@ -120,7 +123,7 @@ private:
   // Data Members (m_ prefix)
   Consumer* m_consumer_ptr;  // Consumer to signal a wakeup(), can be NULL
   PrioHeap<MessageBufferNode> m_prio_heap;
-  string m_name;
+  std::string m_name;
 
   int m_max_size;
   int m_size;
@@ -145,16 +148,16 @@ private:
 
 // Output operator declaration
 //template <class TYPE>
-ostream& operator<<(ostream& out, const MessageBuffer& obj);
+std::ostream& operator<<(std::ostream& out, const MessageBuffer& obj);
 
 // ******************* Definitions *******************
 
 // Output operator definition
 extern inline
-ostream& operator<<(ostream& out, const MessageBuffer& obj)
+std::ostream& operator<<(std::ostream& out, const MessageBuffer& obj)
 {
   obj.print(out);
-  out << flush;
+  out << std::flush;
   return out;
 }
 
diff --git a/src/mem/ruby/buffers/MessageBufferNode.cc b/src/mem/ruby/buffers/MessageBufferNode.cc
index 22b077363..aec977acd 100644
--- a/src/mem/ruby/buffers/MessageBufferNode.cc
+++ b/src/mem/ruby/buffers/MessageBufferNode.cc
@@ -29,7 +29,8 @@
 
 #include "mem/ruby/buffers/MessageBufferNode.hh"
 
-void MessageBufferNode::print(ostream& out) const
+void
+MessageBufferNode::print(std::ostream& out) const
 {
   out << "[";
   out << m_time << ", ";
diff --git a/src/mem/ruby/buffers/MessageBufferNode.hh b/src/mem/ruby/buffers/MessageBufferNode.hh
index cb64974d5..747c1d889 100644
--- a/src/mem/ruby/buffers/MessageBufferNode.hh
+++ b/src/mem/ruby/buffers/MessageBufferNode.hh
@@ -30,6 +30,8 @@
 #ifndef MESSAGEBUFFERNODE_H
 #define MESSAGEBUFFERNODE_H
 
+#include <iostream>
+
 #include "mem/ruby/common/Global.hh"
 #include "mem/ruby/slicc_interface/Message.hh"
 
@@ -43,7 +45,7 @@ public:
   //~MessageBufferNode();
 
   // Public Methods
-  void print(ostream& out) const;
+  void print(std::ostream& out) const;
 private:
   // Private Methods
 
@@ -59,7 +61,7 @@ public:
 };
 
 // Output operator declaration
-ostream& operator<<(ostream& out, const MessageBufferNode& obj);
+std::ostream& operator<<(std::ostream& out, const MessageBufferNode& obj);
 
 // ******************* Definitions *******************
 
@@ -78,10 +80,10 @@ bool node_less_then_eq(const MessageBufferNode& n1, const MessageBufferNode& n2)
 
 // Output operator definition
 extern inline
-ostream& operator<<(ostream& out, const MessageBufferNode& obj)
+std::ostream& operator<<(std::ostream& out, const MessageBufferNode& obj)
 {
   obj.print(out);
-  out << flush;
+  out << std::flush;
   return out;
 }
 
diff --git a/src/mem/ruby/common/Address.hh b/src/mem/ruby/common/Address.hh
index 88cd2668a..44dff7d83 100644
--- a/src/mem/ruby/common/Address.hh
+++ b/src/mem/ruby/common/Address.hh
@@ -35,6 +35,8 @@
 #define ADDRESS_H
 
 #include <iomanip>
+
+#include "base/hashmap.hh"
 #include "mem/ruby/common/Global.hh"
 #include "mem/ruby/system/System.hh"
 #include "mem/ruby/system/NodeID.hh"
@@ -223,11 +225,12 @@ ADDRESS_WIDTH    MEMORY_SIZE_BITS        PAGE_SIZE_BITS  DATA_BLOCK_BITS
 inline
 void Address::print(ostream& out) const
 {
-  out << "[" << hex << "0x" << m_address << "," << " line 0x" << maskLowOrderBits(RubySystem::getBlockSizeBits()) << dec << "]" << flush;
+    using namespace std;
+    out << "[" << hex << "0x" << m_address << "," << " line 0x" << maskLowOrderBits(RubySystem::getBlockSizeBits()) << dec << "]" << flush;
 }
 
 class Address;
-namespace __gnu_cxx {
+namespace __hash_namespace {
   template <> struct hash<Address>
   {
     size_t operator()(const Address &s) const { return (size_t) s.getAddress(); }
diff --git a/src/mem/ruby/common/Consumer.hh b/src/mem/ruby/common/Consumer.hh
index beb50a891..955c1ffa9 100644
--- a/src/mem/ruby/common/Consumer.hh
+++ b/src/mem/ruby/common/Consumer.hh
@@ -39,6 +39,8 @@
 #ifndef CONSUMER_H
 #define CONSUMER_H
 
+#include <iostream>
+
 #include "mem/ruby/common/Global.hh"
 #include "mem/ruby/eventqueue/RubyEventQueue.hh"
 
@@ -56,7 +58,7 @@ public:
   // void triggerWakeup() { Time time = g_eventQueue_ptr->getTime(); if (m_last_wakeup != time) { wakeup(); m_last_wakeup = time; }}
   void triggerWakeup(RubyEventQueue * eventQueue) { Time time = eventQueue->getTime(); if (m_last_wakeup != time) { wakeup(); m_last_wakeup = time; }}
   virtual void wakeup() = 0;
-  virtual void print(ostream& out) const = 0;
+  virtual void print(std::ostream& out) const = 0;
   const Time& getLastScheduledWakeup() const { return m_last_scheduled_wakeup; }
   void setLastScheduledWakeup(const Time& time) { m_last_scheduled_wakeup = time; }
 
@@ -70,16 +72,16 @@ private:
 
 // Output operator declaration
 inline extern
-ostream& operator<<(ostream& out, const Consumer& obj);
+std::ostream& operator<<(std::ostream& out, const Consumer& obj);
 
 // ******************* Definitions *******************
 
 // Output operator definition
 inline extern
-ostream& operator<<(ostream& out, const Consumer& obj)
+std::ostream& operator<<(std::ostream& out, const Consumer& obj)
 {
   obj.print(out);
-  out << flush;
+  out << std::flush;
   return out;
 }
 
diff --git a/src/mem/ruby/common/DataBlock.hh b/src/mem/ruby/common/DataBlock.hh
index d62efc72b..5407033bf 100644
--- a/src/mem/ruby/common/DataBlock.hh
+++ b/src/mem/ruby/common/DataBlock.hh
@@ -30,6 +30,9 @@
 #ifndef DATABLOCK_H
 #define DATABLOCK_H
 
+#include <iomanip>
+#include <iostream>
+
 #include "mem/ruby/common/Global.hh"
 #include "mem/ruby/system/System.hh"
 #include "mem/gems_common/Vector.hh"
@@ -63,7 +66,7 @@ class DataBlock {
   void setData(uint8* data, int offset, int len);
   void copyPartial(const DataBlock & dblk, int offset, int len);
   bool equal(const DataBlock& obj) const;
-  void print(ostream& out) const;
+  void print(std::ostream& out) const;
 
 private:
   void alloc();
@@ -73,7 +76,7 @@ private:
 };
 
 // Output operator declaration
-ostream& operator<<(ostream& out, const DataBlock& obj);
+std::ostream& operator<<(std::ostream& out, const DataBlock& obj);
 
 bool operator==(const DataBlock& obj1, const DataBlock& obj2);
 
@@ -110,8 +113,10 @@ bool DataBlock::equal(const DataBlock& obj) const
 }
 
 inline
-void DataBlock::print(ostream& out) const
+void DataBlock::print(std::ostream& out) const
 {
+  using namespace std;
+
   int size = RubySystem::getBlockSizeBytes();
   out << "[ ";
   for (int i = 0; i < size; i++) {
@@ -157,10 +162,10 @@ void DataBlock::copyPartial(const DataBlock & dblk, int offset, int len)
 
 // Output operator definition
 extern inline
-ostream& operator<<(ostream& out, const DataBlock& obj)
+std::ostream& operator<<(std::ostream& out, const DataBlock& obj)
 {
   obj.print(out);
-  out << flush;
+  out << std::flush;
   return out;
 }
 
diff --git a/src/mem/ruby/common/Debug.cc b/src/mem/ruby/common/Debug.cc
index 68ab2448b..e67dc68ba 100644
--- a/src/mem/ruby/common/Debug.cc
+++ b/src/mem/ruby/common/Debug.cc
@@ -41,9 +41,11 @@
 #include "mem/gems_common/util.hh"
 #include "base/misc.hh"
 
+using namespace std;
+
 class Debug;
 extern Debug* g_debug_ptr;
-std::ostream * debug_cout_ptr;
+ostream *debug_cout_ptr;
 
 bool Debug::m_protocol_trace = false;
 struct DebugComponentData
@@ -328,7 +330,7 @@ void Debug::setDebugOutputFile (const char * filename)
   if (m_fout.is_open() ) {
     m_fout.close ();
   }
-  m_fout.open (filename, std::ios::out);
+  m_fout.open (filename, ios::out);
   if (! m_fout.is_open() ) {
     cerr << "setDebugOutputFile: can't open file " << filename << endl;
   }
diff --git a/src/mem/ruby/common/Debug.hh b/src/mem/ruby/common/Debug.hh
index 5fb4d412f..a7b1a15d1 100644
--- a/src/mem/ruby/common/Debug.hh
+++ b/src/mem/ruby/common/Debug.hh
@@ -35,6 +35,8 @@
 #define __MEM_RUBY_DEBUG_HH__
 
 #include <unistd.h>
+
+#include <fstream>
 #include <iostream>
 #include <string>
 #include <vector>
@@ -133,7 +135,7 @@ extern inline
 std::ostream& operator<<(std::ostream& out, const Debug& obj)
 {
   obj.print(out);
-  out << flush;
+  out << std::flush;
   return out;
 }
 
@@ -151,6 +153,7 @@ const bool ASSERT_FLAG = true;
 #undef ASSERT
 #define ASSERT(EXPR)\
 {\
+  using namespace std;\
   if (ASSERT_FLAG) {\
     if (!(EXPR)) {\
       cerr << "failed assertion '"\
@@ -179,6 +182,7 @@ const bool ASSERT_FLAG = true;
 
 #define BREAK(X)\
 {\
+    using namespace std;\
     cerr << "breakpoint '"\
          << #X << "' reached at fn "\
          << __PRETTY_FUNCTION__ << " in "\
@@ -195,6 +199,7 @@ const bool ASSERT_FLAG = true;
 
 #define ERROR_MSG(MESSAGE)\
 {\
+  using namespace std;\
   if (ERROR_MESSAGE_FLAG) {\
     cerr << "Fatal Error: in fn "\
          << __PRETTY_FUNCTION__ << " in "\
@@ -212,6 +217,7 @@ const bool ASSERT_FLAG = true;
 
 #define WARN_MSG(MESSAGE)\
 {\
+  using namespace std;\
   if (WARNING_MESSAGE_FLAG) {\
     cerr << "Warning: in fn "\
          << __PRETTY_FUNCTION__ << " in "\
@@ -228,6 +234,7 @@ const bool ASSERT_FLAG = true;
 
 #define WARN_EXPR(EXPR)\
 {\
+  using namespace std;\
   if (WARNING_MESSAGE_FLAG) {\
     cerr << "Warning: in fn "\
          << __PRETTY_FUNCTION__ << " in "\
@@ -246,6 +253,7 @@ const bool ASSERT_FLAG = true;
 
 #define DEBUG_MSG(module, priority, MESSAGE)\
 {\
+  using namespace std;\
   if (RUBY_DEBUG) {\
     if (g_debug_ptr->validDebug(module, priority)) {\
       (* debug_cout_ptr) << "Debug: in fn "\
@@ -259,6 +267,7 @@ const bool ASSERT_FLAG = true;
 
 #define DEBUG_EXPR(module, priority, EXPR)\
 {\
+  using namespace std;\
   if (RUBY_DEBUG) {\
     if (g_debug_ptr->validDebug(module, priority)) {\
       (* debug_cout_ptr) << "Debug: in fn "\
@@ -273,6 +282,7 @@ const bool ASSERT_FLAG = true;
 
 #define DEBUG_NEWLINE(module, priority)\
 {\
+  using namespace std;\
   if (RUBY_DEBUG) {\
     if (g_debug_ptr->validDebug(module, priority)) {\
       (* debug_cout_ptr) << endl << flush;\
@@ -282,6 +292,7 @@ const bool ASSERT_FLAG = true;
 
 #define DEBUG_SLICC(priority, LINE, MESSAGE)\
 {\
+  using namespace std;\
   if (RUBY_DEBUG) {\
     if (g_debug_ptr->validDebug(SLICC_COMP, priority)) {\
       (* debug_cout_ptr) << (LINE) << (MESSAGE) << endl << flush;\
@@ -291,6 +302,7 @@ const bool ASSERT_FLAG = true;
 
 #define DEBUG_OUT( rest... ) \
 {\
+  using namespace std;\
   if (RUBY_DEBUG) {\
     cout << "Debug: in fn "\
          << __PRETTY_FUNCTION__\
@@ -302,6 +314,7 @@ const bool ASSERT_FLAG = true;
 
 #define ERROR_OUT( rest... ) \
 {\
+  using namespace std;\
   if (ERROR_MESSAGE_FLAG) {\
     cout << "error: in fn "\
          << __PRETTY_FUNCTION__ << " in "\
diff --git a/src/mem/ruby/common/Global.hh b/src/mem/ruby/common/Global.hh
index 591ffed1e..16465656d 100644
--- a/src/mem/ruby/common/Global.hh
+++ b/src/mem/ruby/common/Global.hh
@@ -66,7 +66,6 @@ const bool TWO_LEVEL_CACHE = true;
 
 // external includes for all classes
 #include "mem/ruby/common/TypeDefines.hh"
-#include "mem/gems_common/std-includes.hh"
 #include "mem/ruby/common/Debug.hh"
 
 // simple type declarations
diff --git a/src/mem/ruby/common/Histogram.cc b/src/mem/ruby/common/Histogram.cc
index 7f9a7027e..2a25cfeb1 100644
--- a/src/mem/ruby/common/Histogram.cc
+++ b/src/mem/ruby/common/Histogram.cc
@@ -32,8 +32,13 @@
  *
  */
 
+#include <cmath>
+#include <iomanip>
+
 #include "mem/ruby/common/Histogram.hh"
 
+using namespace std;
+
 Histogram::Histogram(int binsize, int bins)
 {
   m_binsize = binsize;
diff --git a/src/mem/ruby/common/Histogram.hh b/src/mem/ruby/common/Histogram.hh
index 59afde867..64247d64a 100644
--- a/src/mem/ruby/common/Histogram.hh
+++ b/src/mem/ruby/common/Histogram.hh
@@ -37,6 +37,8 @@
 #ifndef HISTOGRAM_H
 #define HISTOGRAM_H
 
+#include <iostream>
+
 #include "mem/ruby/common/Global.hh"
 #include "mem/gems_common/Vector.hh"
 
@@ -61,9 +63,9 @@ public:
   int64 getTotal() const { return m_sumSamples; }
   int64 getData(int index) const { return m_data[index]; }
 
-  void printWithMultiplier(ostream& out, double multiplier) const;
-  void printPercent(ostream& out) const;
-  void print(ostream& out) const;
+  void printWithMultiplier(std::ostream& out, double multiplier) const;
+  void printPercent(std::ostream& out) const;
+  void print(std::ostream& out) const;
 private:
   // Private Methods
 
@@ -88,16 +90,16 @@ private:
 bool node_less_then_eq(const Histogram* n1, const Histogram* n2);
 
 // Output operator declaration
-ostream& operator<<(ostream& out, const Histogram& obj);
+std::ostream& operator<<(std::ostream& out, const Histogram& obj);
 
 // ******************* Definitions *******************
 
 // Output operator definition
 extern inline
-ostream& operator<<(ostream& out, const Histogram& obj)
+std::ostream& operator<<(std::ostream& out, const Histogram& obj)
 {
   obj.print(out);
-  out << flush;
+  out << std::flush;
   return out;
 }
 
diff --git a/src/mem/ruby/eventqueue/RubyEventQueue.hh b/src/mem/ruby/eventqueue/RubyEventQueue.hh
index f9b4aa060..468b21edb 100644
--- a/src/mem/ruby/eventqueue/RubyEventQueue.hh
+++ b/src/mem/ruby/eventqueue/RubyEventQueue.hh
@@ -59,6 +59,8 @@
 #ifndef RUBYEVENTQUEUE_H
 #define RUBYEVENTQUEUE_H
 
+#include <iostream>
+
 #include "config/no_vector_bounds_checks.hh"
 #include "mem/ruby/common/Global.hh"
 #include "mem/gems_common/Vector.hh"
@@ -82,7 +84,7 @@ public:
   Tick getClock() const { return m_clock; }
   void scheduleEvent(Consumer* consumer, Time timeDelta);
   void scheduleEventAbsolute(Consumer* consumer, Time timeAbs);
-  void print(ostream& out) const;
+  void print(std::ostream& out) const;
 
   void triggerEvents(Time t) { assert(0); }
   void triggerAllEvents() { assert(0); }
@@ -99,16 +101,16 @@ private:
 
 // Output operator declaration
 inline extern
-ostream& operator<<(ostream& out, const RubyEventQueue& obj);
+std::ostream& operator<<(std::ostream& out, const RubyEventQueue& obj);
 
 // ******************* Definitions *******************
 
 // Output operator definition
 inline extern
-ostream& operator<<(ostream& out, const RubyEventQueue& obj)
+std::ostream& operator<<(std::ostream& out, const RubyEventQueue& obj)
 {
   obj.print(out);
-  out << flush;
+  out << std::flush;
   return out;
 }
 
diff --git a/src/mem/ruby/eventqueue/RubyEventQueueNode.cc b/src/mem/ruby/eventqueue/RubyEventQueueNode.cc
index 5034069cc..31aa2088a 100644
--- a/src/mem/ruby/eventqueue/RubyEventQueueNode.cc
+++ b/src/mem/ruby/eventqueue/RubyEventQueueNode.cc
@@ -34,7 +34,7 @@
 
 #include "mem/ruby/eventqueue/RubyEventQueueNode.hh"
 
-void RubyEventQueueNode::print(ostream& out) const
+void RubyEventQueueNode::print(std::ostream& out) const
 {
   out << "[";
   if (m_consumer_ptr != NULL) {
diff --git a/src/mem/ruby/eventqueue/RubyEventQueueNode.hh b/src/mem/ruby/eventqueue/RubyEventQueueNode.hh
index 3b0c23162..dc2fc92e7 100644
--- a/src/mem/ruby/eventqueue/RubyEventQueueNode.hh
+++ b/src/mem/ruby/eventqueue/RubyEventQueueNode.hh
@@ -35,6 +35,8 @@
 #ifndef RUBYEVENTQUEUENODE_H
 #define RUBYEVENTQUEUENODE_H
 
+#include <iostream>
+
 #include "mem/ruby/common/Global.hh"
 #include "sim/eventq.hh"
 #include "mem/ruby/common/Consumer.hh"
@@ -53,7 +55,7 @@ public:
   //~RubyEventQueueNode();
 
   // Public Methods
-  void print(ostream& out) const;
+  void print(std::ostream& out) const;
   virtual void process() { m_consumer_ptr->wakeup(); }
   virtual const char *description() const { return "Ruby Event"; }
 
@@ -68,16 +70,16 @@ private:
 };
 
 // Output operator declaration
-ostream& operator<<(ostream& out, const RubyEventQueueNode& obj);
+std::ostream& operator<<(std::ostream& out, const RubyEventQueueNode& obj);
 
 // ******************* Definitions *******************
 
 // Output operator definition
 extern inline
-ostream& operator<<(ostream& out, const RubyEventQueueNode& obj)
+std::ostream& operator<<(std::ostream& out, const RubyEventQueueNode& obj)
 {
   obj.print(out);
-  out << flush;
+  out << std::flush;
   return out;
 }
 
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/NetworkInterface_d.cc b/src/mem/ruby/network/garnet/fixed-pipeline/NetworkInterface_d.cc
index 26399e68e..6c61cef26 100644
--- a/src/mem/ruby/network/garnet/fixed-pipeline/NetworkInterface_d.cc
+++ b/src/mem/ruby/network/garnet/fixed-pipeline/NetworkInterface_d.cc
@@ -28,6 +28,8 @@
  * Authors: Niket Agarwal
  */
 
+#include <cmath>
+
 #include "mem/ruby/network/garnet/fixed-pipeline/NetworkInterface_d.hh"
 #include "mem/ruby/buffers/MessageBuffer.hh"
 #include "mem/ruby/network/garnet/fixed-pipeline/flitBuffer_d.hh"
diff --git a/src/mem/ruby/network/garnet/flexible-pipeline/NetworkInterface.cc b/src/mem/ruby/network/garnet/flexible-pipeline/NetworkInterface.cc
index 5f48d2f5e..71c433aff 100644
--- a/src/mem/ruby/network/garnet/flexible-pipeline/NetworkInterface.cc
+++ b/src/mem/ruby/network/garnet/flexible-pipeline/NetworkInterface.cc
@@ -28,6 +28,8 @@
  * Authors: Niket Agarwal
  */
 
+#include <cmath>
+
 #include "mem/ruby/network/garnet/flexible-pipeline/NetworkInterface.hh"
 #include "mem/ruby/buffers/MessageBuffer.hh"
 #include "mem/ruby/network/garnet/flexible-pipeline/flitBuffer.hh"
diff --git a/src/mem/ruby/network/simple/PerfectSwitch.cc b/src/mem/ruby/network/simple/PerfectSwitch.cc
index fab699ea4..d60c5332c 100644
--- a/src/mem/ruby/network/simple/PerfectSwitch.cc
+++ b/src/mem/ruby/network/simple/PerfectSwitch.cc
@@ -295,7 +295,7 @@ void PerfectSwitch::wakeup()
   }
 }
 
-void PerfectSwitch::printStats(ostream& out) const
+void PerfectSwitch::printStats(std::ostream& out) const
 {
   out << "PerfectSwitch printStats" << endl;
 }
@@ -304,11 +304,11 @@ void PerfectSwitch::clearStats()
 {
 }
 
-void PerfectSwitch::printConfig(ostream& out) const
+void PerfectSwitch::printConfig(std::ostream& out) const
 {
 }
 
-void PerfectSwitch::print(ostream& out) const
+void PerfectSwitch::print(std::ostream& out) const
 {
   out << "[PerfectSwitch " << m_switch_id << "]";
 }
diff --git a/src/mem/ruby/network/simple/PerfectSwitch.hh b/src/mem/ruby/network/simple/PerfectSwitch.hh
index 9cc28fff8..2956e261a 100644
--- a/src/mem/ruby/network/simple/PerfectSwitch.hh
+++ b/src/mem/ruby/network/simple/PerfectSwitch.hh
@@ -41,6 +41,8 @@
 #ifndef PerfectSwitch_H
 #define PerfectSwitch_H
 
+#include <iostream>
+
 #include "mem/ruby/common/Global.hh"
 #include "mem/gems_common/Vector.hh"
 #include "mem/ruby/common/Consumer.hh"
@@ -76,11 +78,11 @@ public:
   // Public Methods
   void wakeup();
 
-  void printStats(ostream& out) const;
+  void printStats(std::ostream& out) const;
   void clearStats();
-  void printConfig(ostream& out) const;
+  void printConfig(std::ostream& out) const;
 
-  void print(ostream& out) const;
+  void print(std::ostream& out) const;
 private:
 
   // Private copy constructor and assignment operator
@@ -102,16 +104,16 @@ private:
 };
 
 // Output operator declaration
-ostream& operator<<(ostream& out, const PerfectSwitch& obj);
+std::ostream& operator<<(std::ostream& out, const PerfectSwitch& obj);
 
 // ******************* Definitions *******************
 
 // Output operator definition
 extern inline
-ostream& operator<<(ostream& out, const PerfectSwitch& obj)
+std::ostream& operator<<(std::ostream& out, const PerfectSwitch& obj)
 {
   obj.print(out);
-  out << flush;
+  out << std::flush;
   return out;
 }
 
diff --git a/src/mem/ruby/network/simple/Switch.cc b/src/mem/ruby/network/simple/Switch.cc
index 87021471f..88695250c 100644
--- a/src/mem/ruby/network/simple/Switch.cc
+++ b/src/mem/ruby/network/simple/Switch.cc
@@ -129,8 +129,10 @@ const Vector<Throttle*>* Switch::getThrottles() const
   return &m_throttles;
 }
 
-void Switch::printStats(ostream& out) const
+void Switch::printStats(std::ostream& out) const
 {
+  using namespace std;
+
   out << "switch_" << m_switch_id << "_inlinks: " << m_perfect_switch_ptr->getInLinks() << endl;
   out << "switch_" << m_switch_id << "_outlinks: " << m_perfect_switch_ptr->getOutLinks() << endl;
 
@@ -188,7 +190,7 @@ void Switch::clearStats()
   }
 }
 
-void Switch::printConfig(ostream& out) const
+void Switch::printConfig(std::ostream& out) const
 {
   m_perfect_switch_ptr->printConfig(out);
   for (int i=0; i<m_throttles.size(); i++) {
@@ -198,7 +200,7 @@ void Switch::printConfig(ostream& out) const
   }
 }
 
-void Switch::print(ostream& out) const
+void Switch::print(std::ostream& out) const
 {
   // FIXME printing
   out << "[Switch]";
diff --git a/src/mem/ruby/network/simple/Switch.hh b/src/mem/ruby/network/simple/Switch.hh
index 193898928..aa719d555 100644
--- a/src/mem/ruby/network/simple/Switch.hh
+++ b/src/mem/ruby/network/simple/Switch.hh
@@ -44,6 +44,8 @@
 #ifndef Switch_H
 #define Switch_H
 
+#include <iostream>
+
 #include "mem/ruby/common/Global.hh"
 #include "mem/gems_common/Vector.hh"
 
@@ -68,14 +70,14 @@ public:
   void clearBuffers();
   void reconfigureOutPort(const NetDest& routing_table_entry);
 
-  void printStats(ostream& out) const;
+  void printStats(std::ostream& out) const;
   void clearStats();
-  void printConfig(ostream& out) const;
+  void printConfig(std::ostream& out) const;
 
   // Destructor
   ~Switch();
 
-  void print(ostream& out) const;
+  void print(std::ostream& out) const;
 private:
 
   // Private copy constructor and assignment operator
@@ -91,16 +93,16 @@ private:
 };
 
 // Output operator declaration
-ostream& operator<<(ostream& out, const Switch& obj);
+std::ostream& operator<<(std::ostream& out, const Switch& obj);
 
 // ******************* Definitions *******************
 
 // Output operator definition
 extern inline
-ostream& operator<<(ostream& out, const Switch& obj)
+std::ostream& operator<<(std::ostream& out, const Switch& obj)
 {
   obj.print(out);
-  out << flush;
+  out << std::flush;
   return out;
 }
 
diff --git a/src/mem/ruby/network/simple/Topology.cc b/src/mem/ruby/network/simple/Topology.cc
index e7fbe1ce3..a8ce4db84 100644
--- a/src/mem/ruby/network/simple/Topology.cc
+++ b/src/mem/ruby/network/simple/Topology.cc
@@ -45,7 +45,6 @@
 #include "mem/protocol/MachineType.hh"
 #include "mem/protocol/Protocol.hh"
 #include "mem/ruby/system/System.hh"
-#include <string>
 
 static const int INFINITE_LATENCY = 10000; // Yes, this is a big hack
 static const int DEFAULT_BW_MULTIPLIER = 1;  // Just to be consistent with above :)
@@ -238,7 +237,7 @@ void Topology::makeLink(Network *net, SwitchID src, SwitchID dest, const NetDest
   }
 }
 
-void Topology::printStats(ostream& out) const
+void Topology::printStats(std::ostream& out) const
 {
     for (int cntrl = 0; cntrl < m_controller_vector.size(); cntrl++) {
       m_controller_vector[cntrl]->printStats(out);
@@ -252,8 +251,10 @@ void Topology::clearStats()
     }
 }
 
-void Topology::printConfig(ostream& out) const
+void Topology::printConfig(std::ostream& out) const
 {
+  using namespace std;
+
   if (m_print_config == false) return;
 
   assert(m_component_latencies.size() > 0);
diff --git a/src/mem/ruby/network/simple/Topology.hh b/src/mem/ruby/network/simple/Topology.hh
index c274ed330..7202c4446 100644
--- a/src/mem/ruby/network/simple/Topology.hh
+++ b/src/mem/ruby/network/simple/Topology.hh
@@ -47,6 +47,9 @@
 #ifndef TOPOLOGY_H
 #define TOPOLOGY_H
 
+#include <iostream>
+#include <string>
+
 #include "mem/ruby/common/Global.hh"
 #include "mem/gems_common/Vector.hh"
 #include "mem/ruby/system/NodeID.hh"
@@ -101,11 +104,11 @@ public:
 
   void initNetworkPtr(Network* net_ptr);
 
-  const string getName() { return m_name; }
-  void printStats(ostream& out) const;
+  const std::string getName() { return m_name; }
+  void printStats(std::ostream& out) const;
   void clearStats();
-  void printConfig(ostream& out) const;
-  void print(ostream& out) const { out << "[Topology]"; }
+  void printConfig(std::ostream& out) const;
+  void print(std::ostream& out) const { out << "[Topology]"; }
 
 protected:
   // Private Methods
@@ -117,13 +120,13 @@ protected:
 
   //  void makeSwitchesPerChip(Vector< Vector < SwitchID > > &nodePairs, Vector<int> &latencies, Vector<int> &bw_multis, int numberOfChips);
 
-  string getDesignStr();
+  std::string getDesignStr();
   // Private copy constructor and assignment operator
   Topology(const Topology& obj);
   Topology& operator=(const Topology& obj);
 
   // Data Members (m_ prefix)
-  string m_name;
+  std::string m_name;
   bool m_print_config;
   NodeID m_nodes;
   int m_number_of_switches;
@@ -141,16 +144,16 @@ protected:
 };
 
 // Output operator declaration
-ostream& operator<<(ostream& out, const Topology& obj);
+std::ostream& operator<<(std::ostream& out, const Topology& obj);
 
 // ******************* Definitions *******************
 
 // Output operator definition
 extern inline
-ostream& operator<<(ostream& out, const Topology& obj)
+std::ostream& operator<<(std::ostream& out, const Topology& obj)
 {
   obj.print(out);
-  out << flush;
+  out << std::flush;
   return out;
 }
 
diff --git a/src/mem/ruby/profiler/CacheProfiler.hh b/src/mem/ruby/profiler/CacheProfiler.hh
index 6c5fbb988..11f189148 100644
--- a/src/mem/ruby/profiler/CacheProfiler.hh
+++ b/src/mem/ruby/profiler/CacheProfiler.hh
@@ -39,6 +39,9 @@
 #ifndef CACHEPROFILER_H
 #define CACHEPROFILER_H
 
+#include <iostream>
+#include <string>
+
 #include "mem/ruby/common/Global.hh"
 #include "mem/ruby/system/NodeID.hh"
 #include "mem/ruby/common/Histogram.hh"
@@ -51,18 +54,18 @@ template <class TYPE> class Vector;
 class CacheProfiler {
 public:
   // Constructors
-  CacheProfiler(const string& description);
+  CacheProfiler(const std::string& description);
 
   // Destructor
   ~CacheProfiler();
 
   // Public Methods
-  void printStats(ostream& out) const;
+  void printStats(std::ostream& out) const;
   void clearStats();
 
   void addStatSample(CacheRequestType requestType, AccessModeType type, int msgSize, PrefetchBit pfBit);
 
-  void print(ostream& out) const;
+  void print(std::ostream& out) const;
 private:
   // Private Methods
 
@@ -71,7 +74,7 @@ private:
   CacheProfiler& operator=(const CacheProfiler& obj);
 
   // Data Members (m_ prefix)
-  string m_description;
+  std::string m_description;
   Histogram m_requestSize;
   int64 m_misses;
   int64 m_demand_misses;
@@ -84,16 +87,16 @@ private:
 };
 
 // Output operator declaration
-ostream& operator<<(ostream& out, const CacheProfiler& obj);
+std::ostream& operator<<(std::ostream& out, const CacheProfiler& obj);
 
 // ******************* Definitions *******************
 
 // Output operator definition
 extern inline
-ostream& operator<<(ostream& out, const CacheProfiler& obj)
+std::ostream& operator<<(std::ostream& out, const CacheProfiler& obj)
 {
   obj.print(out);
-  out << flush;
+  out << std::flush;
   return out;
 }
 
diff --git a/src/mem/ruby/profiler/MemCntrlProfiler.cc b/src/mem/ruby/profiler/MemCntrlProfiler.cc
index 693d43dc7..b41d7de78 100644
--- a/src/mem/ruby/profiler/MemCntrlProfiler.cc
+++ b/src/mem/ruby/profiler/MemCntrlProfiler.cc
@@ -29,6 +29,8 @@
 
 #include "mem/ruby/profiler/MemCntrlProfiler.hh"
 
+using namespace std;
+
 MemCntrlProfiler::MemCntrlProfiler(const string& description,
                                    int banks_per_rank,
                                    int ranks_per_dimm,
diff --git a/src/mem/ruby/profiler/MemCntrlProfiler.hh b/src/mem/ruby/profiler/MemCntrlProfiler.hh
index 5343fac1b..ebedd5185 100644
--- a/src/mem/ruby/profiler/MemCntrlProfiler.hh
+++ b/src/mem/ruby/profiler/MemCntrlProfiler.hh
@@ -39,6 +39,9 @@
 #ifndef MEM_CNTRL_PROFILER_H
 #define MEM_CNTRL_PROFILER_H
 
+#include <iostream>
+#include <string>
+
 #include "mem/gems_common/Vector.hh"
 #include "mem/ruby/common/Global.hh"
 
@@ -47,7 +50,7 @@ template <class TYPE> class Vector;
 class MemCntrlProfiler {
 public:
   // Constructors
-  MemCntrlProfiler(const string& description,
+ MemCntrlProfiler(const std::string& description,
                    int banks_per_rank,
                    int ranks_per_dimm,
                    int dimms_per_channel);
@@ -56,7 +59,7 @@ public:
   ~MemCntrlProfiler();
 
   // Public Methods
-  void printStats(ostream& out) const;
+  void printStats(std::ostream& out) const;
   void clearStats();
 
   void profileMemReq(int bank);
@@ -75,7 +78,7 @@ public:
   void profileMemRandBusy();
   void profileMemNotOld();
 
-  void print(ostream& out) const;
+  void print(std::ostream& out) const;
 private:
   // Private Methods
 
@@ -84,7 +87,7 @@ private:
   MemCntrlProfiler& operator=(const MemCntrlProfiler& obj);
 
   // Data Members (m_ prefix)
-  string m_description;
+  std::string m_description;
   uint64 m_memReq;
   uint64 m_memBankBusy;
   uint64 m_memBusBusy;
@@ -107,16 +110,16 @@ private:
 };
 
 // Output operator declaration
-ostream& operator<<(ostream& out, const MemCntrlProfiler& obj);
+std::ostream& operator<<(std::ostream& out, const MemCntrlProfiler& obj);
 
 // ******************* Definitions *******************
 
 // Output operator definition
 extern inline
-ostream& operator<<(ostream& out, const MemCntrlProfiler& obj)
+std::ostream& operator<<(std::ostream& out, const MemCntrlProfiler& obj)
 {
   obj.print(out);
-  out << flush;
+  out << std::flush;
   return out;
 }
 
diff --git a/src/mem/ruby/profiler/Profiler.cc b/src/mem/ruby/profiler/Profiler.cc
index f09b93216..33425371f 100644
--- a/src/mem/ruby/profiler/Profiler.cc
+++ b/src/mem/ruby/profiler/Profiler.cc
@@ -51,6 +51,10 @@
  *
  */
 
+// Allows use of times() library call, which determines virtual runtime
+#include <sys/resource.h>
+#include <sys/times.h>
+
 #include "mem/ruby/profiler/Profiler.hh"
 #include "mem/ruby/profiler/AddressProfiler.hh"
 #include "mem/ruby/system/System.hh"
@@ -65,9 +69,6 @@
 
 #include "mem/ruby/system/System.hh"
 
-// Allows use of times() library call, which determines virtual runtime
-#include <sys/times.h>
-
 extern std::ostream * debug_cout_ptr;
 
 static double process_memory_total();
diff --git a/src/mem/ruby/recorder/CacheRecorder.hh b/src/mem/ruby/recorder/CacheRecorder.hh
index 88cc5eaca..2616f73ae 100644
--- a/src/mem/ruby/recorder/CacheRecorder.hh
+++ b/src/mem/ruby/recorder/CacheRecorder.hh
@@ -38,11 +38,13 @@
 #ifndef CACHERECORDER_H
 #define CACHERECORDER_H
 
-#include "mem/ruby/libruby_internal.hh"
+#include <iostream>
+#include <string>
 
+#include "mem/protocol/CacheRequestType.hh"
 #include "mem/ruby/common/Global.hh"
+#include "mem/ruby/libruby_internal.hh"
 #include "mem/ruby/system/NodeID.hh"
-#include "mem/protocol/CacheRequestType.hh"
 
 template <class TYPE> class PrioHeap;
 class Address;
@@ -63,9 +65,9 @@ public:
                  const Address& pc_addr, 
                  RubyRequestType type, 
                  Time time);
-  int dumpRecords(string filename);
+  int dumpRecords(std::string filename);
 
-  void print(ostream& out) const;
+  void print(std::ostream& out) const;
 private:
   // Private Methods
 
@@ -78,16 +80,16 @@ private:
 };
 
 // Output operator declaration
-ostream& operator<<(ostream& out, const CacheRecorder& obj);
+std::ostream& operator<<(std::ostream& out, const CacheRecorder& obj);
 
 // ******************* Definitions *******************
 
 // Output operator definition
 extern inline
-ostream& operator<<(ostream& out, const CacheRecorder& obj)
+std::ostream& operator<<(std::ostream& out, const CacheRecorder& obj)
 {
   obj.print(out);
-  out << flush;
+  out << std::flush;
   return out;
 }
 
diff --git a/src/mem/ruby/recorder/Tracer.cc b/src/mem/ruby/recorder/Tracer.cc
index b58fa1eb6..5a20c2b02 100644
--- a/src/mem/ruby/recorder/Tracer.cc
+++ b/src/mem/ruby/recorder/Tracer.cc
@@ -62,7 +62,7 @@ void Tracer::init()
 {
 }
 
-void Tracer::startTrace(string filename)
+void Tracer::startTrace(std::string filename)
 {
   if (m_enabled) {
     stopTrace();
@@ -101,7 +101,7 @@ void Tracer::traceRequest(Sequencer* sequencer,
 }
 
 // Class method
-int Tracer::playbackTrace(string filename)
+int Tracer::playbackTrace(std::string filename)
 {
   igzstream in(filename.c_str());
   if (in.fail()) {
@@ -147,7 +147,7 @@ int Tracer::playbackTrace(string filename)
   return counter;
 }
 
-void Tracer::print(ostream& out) const
+void Tracer::print(std::ostream& out) const
 {
 }
 
diff --git a/src/mem/ruby/recorder/Tracer.hh b/src/mem/ruby/recorder/Tracer.hh
index 16432f5fc..a068c32eb 100644
--- a/src/mem/ruby/recorder/Tracer.hh
+++ b/src/mem/ruby/recorder/Tracer.hh
@@ -38,6 +38,9 @@
 #ifndef TRACER_H
 #define TRACER_H
 
+#include <iostream>
+#include <string>
+
 #include "mem/ruby/libruby_internal.hh"
 
 #include "mem/ruby/common/Global.hh"
@@ -65,7 +68,7 @@ public:
   ~Tracer();
 
   // Public Methods
-  void startTrace(string filename);
+  void startTrace(std::string filename);
   void stopTrace();
   bool traceEnabled() { return m_enabled; }
   void traceRequest(Sequencer* sequencer, 
@@ -74,10 +77,10 @@ public:
                     RubyRequestType type, 
                     Time time);
 
-  void print(ostream& out) const;
+  void print(std::ostream& out) const;
 
   // Public Class Methods
-  int playbackTrace(string filename);
+  int playbackTrace(std::string filename);
   void init();
 private:
   // Private Methods
@@ -95,16 +98,16 @@ private:
 };
 
 // Output operator declaration
-ostream& operator<<(ostream& out, const Tracer& obj);
+std::ostream& operator<<(std::ostream& out, const Tracer& obj);
 
 // ******************* Definitions *******************
 
 // Output operator definition
 extern inline
-ostream& operator<<(ostream& out, const Tracer& obj)
+std::ostream& operator<<(std::ostream& out, const Tracer& obj)
 {
   obj.print(out);
-  out << flush;
+  out << std::flush;
   return out;
 }
 
diff --git a/src/mem/ruby/slicc_interface/Message.hh b/src/mem/ruby/slicc_interface/Message.hh
index c8917795b..fef4bdf59 100644
--- a/src/mem/ruby/slicc_interface/Message.hh
+++ b/src/mem/ruby/slicc_interface/Message.hh
@@ -34,6 +34,8 @@
 #ifndef MESSAGE_H
 #define MESSAGE_H
 
+#include <iostream>
+
 #include "mem/ruby/common/Global.hh"
 #include "mem/gems_common/RefCnt.hh"
 #include "mem/gems_common/RefCountable.hh"
@@ -53,7 +55,7 @@ public:
   // Public Methods
   virtual Message* clone() const = 0;
   virtual void destroy() = 0;
-  virtual void print(ostream& out) const = 0;
+  virtual void print(std::ostream& out) const = 0;
 
   void setDelayedCycles(const int& cycles) { m_DelayedCycles = cycles; }
   const int& getDelayedCycles() const {return m_DelayedCycles;}
@@ -75,16 +77,16 @@ private:
 };
 
 // Output operator declaration
-ostream& operator<<(ostream& out, const Message& obj);
+std::ostream& operator<<(std::ostream& out, const Message& obj);
 
 // ******************* Definitions *******************
 
 // Output operator definition
 extern inline
-ostream& operator<<(ostream& out, const Message& obj)
+std::ostream& operator<<(std::ostream& out, const Message& obj)
 {
   obj.print(out);
-  out << flush;
+  out << std::flush;
   return out;
 }
 
diff --git a/src/mem/ruby/system/MachineID.hh b/src/mem/ruby/system/MachineID.hh
index 5bfa1584c..9da71f349 100644
--- a/src/mem/ruby/system/MachineID.hh
+++ b/src/mem/ruby/system/MachineID.hh
@@ -39,6 +39,9 @@
 #ifndef MACHINEID_H
 #define MACHINEID_H
 
+#include <iostream>
+#include <string>
+
 #include "mem/ruby/common/Global.hh"
 #include "mem/gems_common/util.hh"
 #include "mem/protocol/MachineType.hh"
@@ -49,7 +52,7 @@ struct MachineID {
 };
 
 extern inline
-string MachineIDToString (MachineID machine) {
+std::string MachineIDToString (MachineID machine) {
   return MachineType_to_string(machine.type)+"_"+int_to_string(machine.num);
 }
 
@@ -66,13 +69,13 @@ bool operator!=(const MachineID & obj1, const MachineID & obj2)
 }
 
 // Output operator declaration
-ostream& operator<<(ostream& out, const MachineID& obj);
+std::ostream& operator<<(std::ostream& out, const MachineID& obj);
 
 // ******************* Definitions *******************
 
 // Output operator definition
 extern inline
-ostream& operator<<(ostream& out, const MachineID& obj)
+std::ostream& operator<<(std::ostream& out, const MachineID& obj)
 {
   if ((obj.type < MachineType_NUM) && (obj.type >= MachineType_FIRST)) {
     out << MachineType_to_string(obj.type);
@@ -81,7 +84,7 @@ ostream& operator<<(ostream& out, const MachineID& obj)
   }
   out << "-";
   out << obj.num;
-  out << flush;
+  out << std::flush;
   return out;
 }
 
diff --git a/src/mem/ruby/system/MemoryNode.cc b/src/mem/ruby/system/MemoryNode.cc
index 3ab3d05ef..5b74f497a 100644
--- a/src/mem/ruby/system/MemoryNode.cc
+++ b/src/mem/ruby/system/MemoryNode.cc
@@ -28,6 +28,8 @@
 
 #include "mem/ruby/system/MemoryNode.hh"
 
+using namespace std;
+
 void MemoryNode::print(ostream& out) const
 {
   out << "[";
diff --git a/src/mem/ruby/system/MemoryNode.hh b/src/mem/ruby/system/MemoryNode.hh
index 95d4227f9..d56057dee 100644
--- a/src/mem/ruby/system/MemoryNode.hh
+++ b/src/mem/ruby/system/MemoryNode.hh
@@ -28,6 +28,8 @@
 #ifndef MEMORYNODE_H
 #define MEMORYNODE_H
 
+#include <iostream>
+
 #include "mem/ruby/common/Global.hh"
 #include "mem/ruby/slicc_interface/Message.hh"
 #include "mem/protocol/MemoryRequestType.hh"
@@ -61,7 +63,7 @@ public:
   ~MemoryNode() {};
 
   // Public Methods
-  void print(ostream& out) const;
+  void print(std::ostream& out) const;
 
   // Data Members (m_ prefix)  (all public -- this is really more a struct)
 
@@ -74,16 +76,16 @@ public:
 };
 
 // Output operator declaration
-ostream& operator<<(ostream& out, const MemoryNode& obj);
+std::ostream& operator<<(std::ostream& out, const MemoryNode& obj);
 
 // ******************* Definitions *******************
 
 // Output operator definition
 extern inline
-ostream& operator<<(ostream& out, const MemoryNode& obj)
+std::ostream& operator<<(std::ostream& out, const MemoryNode& obj)
 {
   obj.print(out);
-  out << flush;
+  out << std::flush;
   return out;
 }
 
diff --git a/src/mem/ruby/system/NodeID.hh b/src/mem/ruby/system/NodeID.hh
index e5d5f4d98..6191ad489 100644
--- a/src/mem/ruby/system/NodeID.hh
+++ b/src/mem/ruby/system/NodeID.hh
@@ -39,12 +39,14 @@
 #ifndef NODEID_H
 #define NODEID_H
 
+#include <string>
+
 #include "mem/ruby/common/Global.hh"
 #include "mem/gems_common/util.hh"
 
 typedef int NodeID;
 
 extern inline
-string NodeIDToString (NodeID node) { return int_to_string(node); }
+std::string NodeIDToString (NodeID node) { return int_to_string(node); }
 
 #endif //NODEID_H
diff --git a/src/mem/ruby/system/PseudoLRUPolicy.hh b/src/mem/ruby/system/PseudoLRUPolicy.hh
index 57a0b40e9..fbbe5191a 100644
--- a/src/mem/ruby/system/PseudoLRUPolicy.hh
+++ b/src/mem/ruby/system/PseudoLRUPolicy.hh
@@ -2,6 +2,8 @@
 #ifndef PSEUDOLRUPOLICY_H
 #define PSEUDOLRUPOLICY_H
 
+#include <cmath>
+
 #include "mem/ruby/system/AbstractReplacementPolicy.hh"
 
 /**
-- 
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