diff --git a/src/mpi/main.c b/src/mpi/main.c
index 44f4a99..08a1f5c 100644
--- a/src/mpi/main.c
+++ b/src/mpi/main.c
@@ -83,6 +83,8 @@ int main(int argc, char **argv)
 				conf.rows, conf.cols, conf.rows/nranks, totalElements, totalElements/nranks,
 				conf.rbs, conf.cbs, nranks, threads, conf.timesteps, end-start, throughput);
 		printf("time %e\n", end - start);
+		printf("start_time %.9f\n", start);
+		printf("end_time %.9f\n", end);
 	}
 
 	if (conf.generateImage) {