diff --git a/test/speed_test.cpp b/test/speed_test.cpp
index 25033a54a..d171c7dc1 100644
--- a/test/speed_test.cpp
+++ b/test/speed_test.cpp
@@ -51,7 +51,7 @@ inline void TestBcast(size_t n, int root) {
   bcast_tdiff += utils::GetTime() - tstart;  
 }
 
-inline void PrintStats(const char *name, double tdiff) {
+inline void PrintStats(const char *name, double tdiff, int n, int nrep, size_t size) {
   int nproc = rabit::GetWorldSize();
   double tsum = tdiff;
   rabit::Allreduce<op::Sum>(&tsum, 1);
@@ -62,6 +62,11 @@ inline void PrintStats(const char *name, double tdiff) {
   double tstd = sqrt(tsqr / nproc);
   if (rabit::GetRank() == 0) {
     utils::LogPrintf("%s: mean=%g, std=%g sec\n", name, tavg, tstd);
+    double ndata = n;
+    ndata *= nrep * size;
+    if (n != 0) {
+      utils::LogPrintf("%s-speed: %g MB/sec\n", name, (ndata / tavg) / 1024 / 1024 );
+    }
   }
 }
 
@@ -87,10 +92,10 @@ int main(int argc, char *argv[]) {
   }
   tot_tdiff = utils::GetTime() - tstart;
   // use allreduce to get the sum and std of time
-  PrintStats("max_tdiff", max_tdiff);
-  PrintStats("sum_tdiff", sum_tdiff);
-  PrintStats("bcast_tdiff", bcast_tdiff);
-  PrintStats("tot_tdiff", tot_tdiff);
+  PrintStats("max_tdiff", max_tdiff, n, nrep, sizeof(float));
+  PrintStats("sum_tdiff", sum_tdiff, n, nrep, sizeof(float));
+  PrintStats("bcast_tdiff", bcast_tdiff, n, nrep, sizeof(char));
+  PrintStats("tot_tdiff", tot_tdiff, 0, nrep, sizeof(float));
   rabit::Finalize();
   return 0;
 }