From 490dc079c0374ee2a290a06c42e6ad7e9ca1fa22 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <daniel.friesel@uos.de>
Date: Fri, 28 Apr 2023 10:31:19 +0200
Subject: produce dfatool-compatible output, add run script

---
 mbw.c  | 16 +++++++---------
 run.sh | 14 ++++++++++++++
 2 files changed, 21 insertions(+), 9 deletions(-)
 create mode 100755 run.sh

diff --git a/mbw.c b/mbw.c
index 06b7fd9..ca439ce 100644
--- a/mbw.c
+++ b/mbw.c
@@ -14,7 +14,7 @@
 #include <unistd.h>
 
 /* how many runs to average by default */
-#define DEFAULT_NR_LOOPS 10
+#define DEFAULT_NR_LOOPS 40
 
 /* we have 3 tests at the moment */
 #define MAX_TESTS 3
@@ -28,7 +28,7 @@
 #define TEST_MCBLOCK 2
 
 /* version number */
-#define VERSION "1.5"
+#define VERSION "1.5+smaug"
 
 /*
  * MBW memory bandwidth benchmark
@@ -151,18 +151,16 @@ void printout(double te, double mt, int type)
 {
     switch(type) {
         case TEST_MEMCPY:
-            printf("Method: MEMCPY\t");
+            printf("e_method=MEMCPY ");
             break;
         case TEST_DUMB:
-            printf("Method: DUMB\t");
+            printf("e_method=DUMB ");
             break;
         case TEST_MCBLOCK:
-            printf("Method: MCBLOCK\t");
+            printf("e_method=MCBLOCK ");
             break;
     }
-    printf("Elapsed: %.5f\t", te);
-    printf("MiB: %.5f\t", mt);
-    printf("Copy: %.3f MiB/s\n", mt/te);
+    printf("| bandwidth_MiBps=%f\n", mt/te);
     return;
 }
 
@@ -287,7 +285,7 @@ int main(int argc, char **argv)
             for (i=0; nr_loops==0 || i<nr_loops; i++) {
                 te=worker(asize, a, b, testno, block_size);
                 te_sum+=te;
-                printf("%d\t", i);
+                printf("[::] block_size_B=%llu array_size_B=%llu ", block_size, asize*long_size);
                 printout(te, mt, testno);
             }
             if(showavg) {
diff --git a/run.sh b/run.sh
new file mode 100755
index 0000000..d30b956
--- /dev/null
+++ b/run.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+set -e
+
+ARRSIZE=512
+
+./mbw -t0 ${ARRSIZE}
+./mbw -t1 ${ARRSIZE}
+for blocksize in 8 16 32 64 128 256 512 1024 \
+		$((1024*2)) $((1024*4)) $((1024*8)) $((1024*16)) $((1024*32)) $((1024*64)) \
+		$((1024*128)) $((1024*256)) $((1024*512)) $((1024*1024)) \
+		$((1024*1024*2)) $((1024*1024*4)) $((1024*1024*8)) $((1024*1024*16)); do
+	./mbw -b $blocksize -t2 ${ARRSIZE}
+done
-- 
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