ext: add McPAT source

this patch adds the source for mcpat, a power, area, and timing modeling
framework.

1 files changed, 248 insertions, 0 deletions

diff --git a/ext/mcpat/cacti/basic_circuit.h b/ext/mcpat/cacti/basic_circuit.h
new file mode 100644
index 000000000..aaab6c0ea
--- /dev/null
+++ b/ext/mcpat/cacti/basic_circuit.h
@@ -0,0 +1,248 @@
+/*****************************************************************************
+ *                                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 __BASIC_CIRCUIT_H__
+#define __BASIC_CIRCUIT_H__
+
+#include "cacti_interface.h"
+#include "const.h"
+
+using namespace std;
+
+#define UNI_LEAK_STACK_FACTOR 0.43
+
+int powers (int base, int n);
+bool is_pow2(int64_t val);
+uint32_t _log2(uint64_t num);
+int factorial(int n, int m = 1);
+int combination(int n, int m);
+
+//#define DBG
+#ifdef DBG
+    #define PRINTDW(a);\
+    a;
+#else
+    #define PRINTDW(a);\
+
+#endif
+
+
+enum Wire_placement {
+    outside_mat,
+    inside_mat,
+    local_wires
+};
+
+
+
+enum Htree_type {
+    Add_htree,
+    Data_in_htree,
+    Data_out_htree,
+    Search_in_htree,
+    Search_out_htree,
+};
+
+enum Gate_type {
+    nmos,
+    pmos,
+        inv,
+    nand,
+    nor,
+    tri,
+    tg
+};
+
+enum Half_net_topology {
+    parallel,
+    series
+};
+
+double logtwo (double x);
+
+double gate_C(
+    double width,
+    double wirelength,
+    bool _is_dram = false,
+    bool _is_sram = false,
+    bool _is_wl_tr = false);
+
+double gate_C_pass(
+    double width,
+    double wirelength,
+    bool   _is_dram = false,
+    bool   _is_sram = false,
+    bool   _is_wl_tr = false);
+
+double drain_C_(
+    double width,
+    int nchannel,
+    int stack,
+    int next_arg_thresh_folding_width_or_height_cell,
+    double fold_dimension,
+    bool _is_dram = false,
+    bool _is_sram = false,
+    bool _is_wl_tr = false);
+
+double tr_R_on(
+    double width,
+    int nchannel,
+    int stack,
+    bool _is_dram = false,
+    bool _is_sram = false,
+    bool _is_wl_tr = false);
+
+double R_to_w(
+    double res,
+    int nchannel,
+    bool _is_dram = false,
+    bool _is_sram = false,
+    bool _is_wl_tr = false);
+
+double horowitz (
+    double inputramptime,
+    double tf,
+    double vs1,
+    double vs2,
+    int rise);
+
+double pmos_to_nmos_sz_ratio(
+    bool _is_dram = false,
+    bool _is_wl_tr = false);
+
+double simplified_nmos_leakage(
+    double nwidth,
+    bool _is_dram = false,
+    bool _is_cell = false,
+    bool _is_wl_tr = false);
+
+double simplified_pmos_leakage(
+    double pwidth,
+    bool _is_dram = false,
+    bool _is_cell = false,
+    bool _is_wl_tr = false);
+
+
+double cmos_Ileak(
+    double nWidth,
+    double pWidth,
+    bool _is_dram = false,
+    bool _is_cell = false,
+    bool _is_wl_tr = false);
+
+double cmos_Ig_n(
+    double nWidth,
+    bool _is_dram = false,
+    bool _is_cell = false,
+    bool _is_wl_tr= false);
+
+double cmos_Ig_p(
+    double pWidth,
+    bool _is_dram = false,
+    bool _is_cell = false,
+    bool _is_wl_tr= false);
+
+
+double cmos_Isub_leakage(
+    double nWidth,
+    double pWidth,
+    int    fanin,
+    enum Gate_type g_type,
+    bool _is_dram = false,
+    bool _is_cell = false,
+    bool _is_wl_tr = false,
+    enum Half_net_topology topo = series);
+
+double cmos_Ig_leakage(
+    double nWidth,
+    double pWidth,
+    int    fanin,
+    enum Gate_type g_type,
+    bool _is_dram = false,
+    bool _is_cell = false,
+    bool _is_wl_tr = false,
+    enum Half_net_topology topo = series);
+
+double shortcircuit(
+    double vt,
+    double velocity_index,
+    double c_in,
+    double c_out,
+    double w_nmos,
+    double w_pmos,
+    double i_on_n,
+    double i_on_p,
+    double i_on_n_in,
+    double i_on_p_in,
+    double vdd);
+
+double shortcircuit_simple(
+    double vt,
+    double velocity_index,
+    double c_in,
+    double c_out,
+    double w_nmos,
+    double w_pmos,
+    double i_on_n,
+    double i_on_p,
+    double i_on_n_in,
+    double i_on_p_in,
+    double vdd);
+//set power point product mask; strictly speaking this is not real point product
+inline void set_pppm(
+        double * pppv,
+        double a=1,
+    double b=1,
+    double c=1,
+    double d=1
+    ){
+                pppv[0]= a;
+                pppv[1]= b;
+                pppv[2]= c;
+                pppv[3]= d;
+
+}
+
+inline void set_sppm(
+        double * sppv,
+        double a=1,
+    double b=1,
+    double c=1,
+    double d=1
+    ){
+                sppv[0]= a;
+                sppv[1]= b;
+                sppv[2]= c;
+}
+
+#endif