PrIM -- first commit

1 files changed, 27 insertions, 0 deletions

diff --git a/SpMV/support/timer.h b/SpMV/support/timer.h
new file mode 100644
index 0000000..f8cd5fc
--- /dev/null
+++ b/SpMV/support/timer.h
@@ -0,0 +1,27 @@
+
+#ifndef _TIMER_H_
+#define _TIMER_H_
+
+#include <stdio.h>
+#include <sys/time.h>
+
+typedef struct Timer {
+    struct timeval startTime;
+    struct timeval endTime;
+} Timer;
+
+static void startTimer(Timer* timer) {
+    gettimeofday(&(timer->startTime), NULL);
+}
+
+static void stopTimer(Timer* timer) {
+    gettimeofday(&(timer->endTime), NULL);
+}
+
+static float getElapsedTime(Timer timer) {
+    return ((float) ((timer.endTime.tv_sec - timer.startTime.tv_sec)
+                   + (timer.endTime.tv_usec - timer.startTime.tv_usec)/1.0e6));
+}
+
+#endif
+