Measure throughput in RealDataBench

RealDataBench.cpp

@@ -32,6 +32,8 @@ int main(int argc, const char **argv) {
   double checkTime = 0;
   double addTime = 0;
   double gcTime = 0;
+  double checkBytes = 0;
+  double addBytes = 0;
 
   ConflictSet cs{0};
   int64_t version = 0;
@@ -76,6 +78,7 @@ int main(int argc, const char **argv) {
           for (const auto &read : reads) {
             iter->begin.p = (const uint8_t *)read.data();
             iter->begin.len = read.size();
+            checkBytes += read.size();
             iter->end.len = 0;
             iter->readVersion = version - 100;
             ++iter;
@@ -95,6 +98,8 @@ int main(int argc, const char **argv) {
         w.begin.len = write.size();
         w.end.len = 0;
 
+        addBytes += write.size();
+
         timer = now();
         cs.addWrites(&w, 1);
         addTime += now() - timer;
@@ -110,5 +115,8 @@ int main(int argc, const char **argv) {
     close(fd);
   }
 
-  printf("Check: %g, Add: %g, Gc: %g\n", checkTime, addTime, gcTime);
+  printf("Check: %g seconds, %g MB/s, Add: %g seconds, %g MB/s, Gc: %g "
+         "seconds\n",
+         checkTime, checkBytes / checkTime * 1e-6, addTime,
+         addBytes / addTime * 1e-6, gcTime);
 }