diff --git a/utils/mem-usage.h b/utils/mem-usage.h
new file mode 100644
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--- /dev/null
+++ b/utils/mem-usage.h
@@ -0,0 +1,86 @@
+/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2013 University of California, Los Angeles
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program 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 program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ */
+
+#ifndef MEM_USAGE_H
+#define MEM_USAGE_H
+
+#ifdef __linux__
+#include <proc/readproc.h>
+#include <unistd.h>
+// #include <sys/resource.h>
+#endif
+#ifdef __APPLE__
+#include <mach/task.h>
+#include <mach/mach_traps.h>
+#include <mach/mach.h>
+#include <unistd.h>
+#include <err.h>
+#include <sys/param.h>
+#include <mach-o/ldsyms.h>
+#endif
+
+/**
+ * @brief Utility class to evaluate current usage of RAM
+ */
+class MemUsage
+{
+public:
+  /**
+   * @brief Get memory utilization in bytes
+   */
+  static inline
+  int64_t
+  Get ()
+  {
+#ifdef __linux__
+    struct proc_t usage;
+    look_up_our_self(&usage);
+    return usage.rss * getpagesize ();
+    //  struct rusage usage;
+    //
+    //  int ret = getrusage (RUSAGE_SELF, &usage);
+    //  if (ret < 0)
+    //    {
+    //      os << "NA";
+    //      return os;
+    //    }
+    //
+    //  os << (usage.ru_ixrss + usage.ru_idrss + usage.ru_isrss);
+    //  return os;
+#endif
+#ifdef __APPLE__
+    task_t task = MACH_PORT_NULL;
+    struct task_basic_info t_info;
+    mach_msg_type_number_t t_info_count = TASK_BASIC_INFO_COUNT;
+
+    if (KERN_SUCCESS != task_info (mach_task_self (),
+                                   TASK_BASIC_INFO, (task_info_t)&t_info, &t_info_count))
+      {
+        return -1; // something is wrong
+      }
+
+    return t_info.resident_size;
+#endif
+    // other systems are not yet supported
+    return -1;
+  }
+};
+
+#endif // MEM_USAGE_H