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diff --git a/ext/mcpat/cacti/Ucache.h b/ext/mcpat/cacti/Ucache.h
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+++ b/ext/mcpat/cacti/Ucache.h
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+/*****************************************************************************
+ *                                McPAT/CACTI
+ *                      SOFTWARE LICENSE AGREEMENT
+ *            Copyright 2012 Hewlett-Packard Development Company, L.P.
+ *                          All Rights Reserved
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.”
+ *
+ ***************************************************************************/
+
+
+#ifndef __UCACHE_H__
+#define __UCACHE_H__
+
+#include <list>
+
+#include "area.h"
+#include "nuca.h"
+#include "router.h"
+
+class min_values_t
+{
+  public:
+    double min_delay;
+    double min_dyn;
+    double min_leakage;
+    double min_area;
+    double min_cyc;
+
+    min_values_t() : min_delay(BIGNUM), min_dyn(BIGNUM), min_leakage(BIGNUM), min_area(BIGNUM), min_cyc(BIGNUM) { }
+
+    void update_min_values(const min_values_t * val);
+    void update_min_values(const uca_org_t & res);
+    void update_min_values(const nuca_org_t * res);
+    void update_min_values(const mem_array * res);
+};
+
+
+
+struct solution
+{
+  int    tag_array_index;
+  int    data_array_index;
+  list<mem_array *>::iterator tag_array_iter;
+  list<mem_array *>::iterator data_array_iter;
+  double access_time;
+  double cycle_time;
+  double area;
+  double efficiency;
+  powerDef total_power;
+};
+
+
+
+bool calculate_time(
+    bool is_tag,
+    int pure_ram,
+    bool pure_cam,
+    double Nspd,
+    unsigned int Ndwl,
+    unsigned int Ndbl,
+    unsigned int Ndcm,
+    unsigned int Ndsam_lev_1,
+    unsigned int Ndsam_lev_2,
+    mem_array *ptr_array,
+    int flag_results_populate,
+    results_mem_array *ptr_results,
+    uca_org_t *ptr_fin_res,
+    bool is_main_mem);
+void update(uca_org_t *fin_res);
+
+void solve(uca_org_t *fin_res);
+void init_tech_params(double tech, bool is_tag);
+
+
+struct calc_time_mt_wrapper_struct
+{
+  uint32_t tid;
+  bool     is_tag;
+  bool     pure_ram;
+  bool     pure_cam;
+  bool     is_main_mem;
+  double   Nspd_min;
+
+  min_values_t * data_res;
+  min_values_t * tag_res;
+
+  list<mem_array *> data_arr;
+  list<mem_array *> tag_arr;
+};
+
+void *calc_time_mt_wrapper(void * void_obj);
+
+#endif