From 5b64a22e62beb2c9d21d5567993eb0f74b1fa074 Mon Sep 17 00:00:00 2001
From: H.G. Muller <h.g.muller@hccnet.nl>
Date: Mon, 13 Feb 2012 13:37:28 +0100
Subject: [PATCH] Let Fairy-Max print timing info

Before and after search a time stamp are printed, and after the search
the real and cpu time used for it. The time stamp can be compared to
that of the opponent, to calculate communication delay through the GUI.
---
 fairymax.c |   19 +++++++++++++++++--
 1 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/fairymax.c b/fairymax.c
index 5106ae1..931099a 100644
--- a/fairymax.c
+++ b/fairymax.c
@@ -32,13 +32,24 @@
 
 #ifdef WIN32 
 #    include <windows.h>
+#    define CPUtime 1000.*clock
 #else
 #    include <sys/time.h>
+#    include <sys/times.h>
+#    include <unistd.h>
      int GetTickCount() // with thanks to Tord
      {	struct timeval t;
 	gettimeofday(&t, NULL);
 	return t.tv_sec*1000 + t.tv_usec/1000;
      }
+     double CPUtime()
+     {  // get CPU time used by process, converted to 'MILLICLOCKS'
+	struct tms cpuTimes;
+	static int cps = 0;
+	if(!cps) cps = sysconf(_SC_CLK_TCK);
+	times(&cpuTimes);
+	return ((double)(cpuTimes.tms_utime + cpuTimes.tms_stime) * CLOCKS_PER_SEC * 1000)/cps;
+     }
 #endif
 
 int StartKey;
@@ -522,7 +533,8 @@ int main(int argc, char **argv)
 {
         int Computer, MaxTime, MaxMoves, TimeInc, sec, i, j;
         char line[256], command[256], c, cc;
-        int m, nr;
+        int m, nr, hh;
+        double cpuT;
         FILE *f;
 
         if(argc>1 && sscanf(argv[1], "%d", &m)==1)
@@ -555,6 +567,7 @@ int main(int argc, char **argv)
                         /* the game have to be done in this time. */
                         /* If MaxMoves=1 any leftover time is lost*/
                         Ticks = GetTickCount();
+                        cpuT = CPUtime(); printf("# times @ %u\n", Ticks);
                         m = MovesLeft<=0 ? 40 : MovesLeft;
                         tlim = (0.6-0.06*(BW-8))*(TimeLeft+(m-1)*TimeInc)/(m+7);
                         if(tlim>TimeLeft/15) tlim = TimeLeft/15;
@@ -568,12 +581,14 @@ int main(int argc, char **argv)
                                  Computer = EMPTY;
                                  continue;
                             } else UnderProm = -1;
+                            m = GetTickCount() - Ticks;
+                            printf("# times @ %u: real=%d cpu=%1.0f\n", m + Ticks, m,
+                                      (CPUtime() - cpuT)/CLOCKS_PER_SEC);
                             printf("move ");
                             printf("%c%c%c%c",'a'+(K&15),'0'+BH-(K>>4),
                                           'a'+(L&15),'0'+BH-(L>>4));
 			    if(prom)printf("%c",piecename[prom&15]+'a'-1);
                             printf("\n");
-                            m = GetTickCount() - Ticks;
 
                             /* time-control accounting */
                             TimeLeft -= m;
-- 
1.7.0.4