Fix documentation

demo-client/src/ctr_prediction.cpp

@@ -57,6 +57,15 @@ std::vector<std::string> split(const std::string& str,
   return res;
 }
 
+/**
+ * Simulate CPython hash function on string objects
+ *
+ * Our model training process use this function to convert string objects to
+ * unique ids.
+ *
+ * See string_hash() in
+ * https://svn.python.org/projects/python/trunk/Objects/stringobject.c
+ */
 int64_t hash(std::string str) {
   int64_t len;
   unsigned char* p;
@@ -121,7 +130,7 @@ void print_res(const Request& req,
   for (uint32_t i = 0; i < res.predictions_size(); ++i) {
     const CTRResInstance& res_ins = res.predictions(i);
     std::ostringstream oss;
-    oss << res_ins.prob0() << " ";
+    oss << "[" << res_ins.prob0() << " " << res_ins.prob1() << "]";
     LOG(INFO) << "Receive result " << oss.str();
   }
   LOG(INFO) << "Succ call predictor[ctr_prediction_service], the tag is: "
@@ -141,7 +150,6 @@ void thread_worker(PredictorApi* api,
   std::string line;
   int turns = 0;
   while (turns < 1000) {
-    ///
     timeval start;
     gettimeofday(&start, NULL);
     api->thrd_clear();

demo-serving/op/ctr_prediction_op.cpp

@@ -15,7 +15,7 @@
 #include "demo-serving/op/ctr_prediction_op.h"
 #include <algorithm>
 #include <string>
-#if 1
+#if 0
 #include <iomanip>
 #endif
 #include "cube/cube-api/include/cube_api.h"
@@ -120,7 +120,7 @@ int CTRPredictionOp::inference() {
       }
     }
 
-#if 1
+#if 0
     for (int i = 0; i < keys.size(); ++i) {
       std::ostringstream oss;
       oss << keys[i] << ": ";