增加计时

hostfile

@@ -1,2 +1,8 @@
-192.168.100.6
-192.168.100.9
+192.168.100.1 slots=9
+192.168.100.4 slots=8
+192.168.100.5 slots=8
+192.168.100.6 slots=8
+192.168.100.9 slots=8
+192.168.100.10 slots=8
+192.168.100.11 slots=8
+192.168.100.12 slots=8

src/leader.hpp

@@ -139,4 +139,8 @@ void leader_main(light* S, int num_procs, int rank) {
         printf("s UNKNOWN\n");
     }
 
+    auto clk_now = std::chrono::high_resolution_clock::now();
+    double solve_time = std::chrono::duration_cast<std::chrono::milliseconds>(clk_now - clk_st).count();
+    printf("c time: %.3f\n", solve_time / 1000);
+
 }