From a90238ea79c43d8c70dcff40ea97cf1fbb218957 Mon Sep 17 00:00:00 2001
From: Stefan Lankes <slankes@eonerc.rwth-aachen.de>
Date: Mon, 19 Oct 2015 22:59:33 +0200
Subject: [PATCH] enable cache warm up

---
 hermit/usr/benchmarks/RCCE_pingping.c |  8 ++++----
 hermit/usr/benchmarks/RCCE_pingpong.c | 13 ++++++++-----
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/hermit/usr/benchmarks/RCCE_pingping.c b/hermit/usr/benchmarks/RCCE_pingping.c
index 8f14b412b..6bc0d03cb 100644
--- a/hermit/usr/benchmarks/RCCE_pingping.c
+++ b/hermit/usr/benchmarks/RCCE_pingping.c
@@ -22,7 +22,7 @@
 
 #include "RCCE.h"
 
-#undef  _CACHE_WARM_UP_
+#define  _CACHE_WARM_UP_
 #undef  _ERROR_CHECK_
 
 #define MAXBUFSIZE  1024*1024*64
@@ -30,9 +30,9 @@
 #define NUMROUNDS   10000
 
 
-char send_buffer[MAXBUFSIZE+1] __attribute__ ((aligned (32)));
-char recv_buffer[MAXBUFSIZE+1] __attribute__ ((aligned (32)));
-char dummy = 0;
+static char send_buffer[MAXBUFSIZE+1] __attribute__ ((aligned (32)));
+static char recv_buffer[MAXBUFSIZE+1] __attribute__ ((aligned (32)));
+static char dummy = 0;
 
 int RCCE_APP(int argc, char **argv)
 {
diff --git a/hermit/usr/benchmarks/RCCE_pingpong.c b/hermit/usr/benchmarks/RCCE_pingpong.c
index 33a79366e..d58949734 100644
--- a/hermit/usr/benchmarks/RCCE_pingpong.c
+++ b/hermit/usr/benchmarks/RCCE_pingpong.c
@@ -22,7 +22,7 @@
 
 #include "RCCE.h"
 
-#undef  _CACHE_WARM_UP_
+#define  _CACHE_WARM_UP_
 #undef  _USE_SEPARATED_BUFFERS_
 #undef  _ERROR_CHECK_
 
@@ -32,14 +32,14 @@
 
 
 #ifdef _USE_SEPARATED_BUFFERS_
-char send_buffer[MAXBUFSIZE+1] __attribute__ ((aligned (32)));
-char recv_buffer[MAXBUFSIZE+1] __attribute__ ((aligned (32)));
+static char send_buffer[MAXBUFSIZE+1] __attribute__ ((aligned (32)));
+static char recv_buffer[MAXBUFSIZE+1] __attribute__ ((aligned (32)));
 #else
 #define send_buffer buffer
 #define recv_buffer buffer
-char buffer[MAXBUFSIZE+1] __attribute__ ((aligned (32)));
+static char buffer[MAXBUFSIZE+1] __attribute__ ((aligned (32)));
 #endif
-char dummy = 0;
+static char dummy = 0;
 
 int RCCE_APP(int argc, char **argv)
 {
@@ -83,6 +83,9 @@ int RCCE_APP(int argc, char **argv)
 
   if(argc > 3) ircce_mode = 1;
 
+  if (ircce_mode && !my_rank)
+    printf("Use iRCCE mode\n");
+
   if(num_ranks != 2)
   {
     if(my_rank == 0) fprintf(stderr, "Pingpong needs exactly two UEs; try again\n");