Compute statistics, useful data volume and cycles per SIMD iteration

Signed-off-by: Rafael Ravedutti <rafaelravedutti@gmail.com>

src/includes/neighbor.h

@@ -31,7 +31,6 @@ typedef struct {
     int* neighbors;
     int maxneighs;
     int* numneigh;
-    long long int totalneighs;
 } Neighbor;
 
 extern void initNeighbor(Neighbor*, Parameter*);

src/includes/parameter.h

@@ -46,5 +46,6 @@ typedef struct {
     int nx, ny, nz;
     MD_FLOAT lattice;
     MD_FLOAT xprd, yprd, zprd;
+    double proc_freq;
 } Parameter;
 #endif

src/includes/stats.h

@@ -0,0 +1,45 @@
+/*
+ * =======================================================================================
+ *
+ *   Author:   Jan Eitzinger (je), jan.eitzinger@fau.de
+ *   Copyright (c) 2020 RRZE, University Erlangen-Nuremberg
+ *
+ *   This file is part of MD-Bench.
+ *
+ *   MD-Bench is free software: you can redistribute it and/or modify it
+ *   under the terms of the GNU Lesser General Public License as published
+ *   by the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   MD-Bench 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 Lesser General Public License for more
+ *   details.
+ *
+ *   You should have received a copy of the GNU Lesser General Public License along
+ *   with MD-Bench.  If not, see <https://www.gnu.org/licenses/>.
+ * =======================================================================================
+ */
+#include <atom.h>
+#include <parameter.h>
+
+#ifndef __STATS_H_
+#define __STATS_H_
+typedef struct {
+    long long int total_force_neighs;
+    long long int total_force_iters;
+} Stats;
+
+void initStats(Stats *s);
+
+#ifdef COMPUTE_STATS
+#   define addStat(stat, value)     stat += value;
+#   define beginStatTimer()         double Si = getTimeStamp();
+#   define endStatTimer(stat)       stat += getTimeStamp() - Si;
+#else
+#   define addStat(stat, value)
+#   define beginStatTimer()
+#   define endStatTimer(stat)
+#endif
+
+#endif