use standard way to output duration in seconds

yhmtsai · Slaedr · yhmtsai · commit f4bebadb3d6a · 2020-12-17T14:24:10.000+01:00
Co-authored-by: Aditya Kashi &lt;aditya.kashi@kit.edu&gt;
diff --git a/benchmark/utils/chrono_utils.hpp b/benchmark/utils/chrono_utils.hpp
diff --git a/benchmark/utils/loggers.hpp b/benchmark/utils/loggers.hpp
@@ -43,7 +43,6 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <unordered_map>
 
 
-#include "benchmark/utils/chrono_utils.hpp"
 #include "benchmark/utils/general.hpp"
 
 
@@ -110,7 +109,9 @@ struct OperationLogger : gko::log::Logger {
         for (const auto &entry : total) {
             add_or_set_member(
                 object, entry.first.c_str(),
-                get_duration_in_seconds(entry.second) / repetitions, alloc);
+                std::chrono::duration<double>(entry.second).count() /
+                    repetitions,
+                alloc);
         }
     }
 
@@ -204,9 +205,10 @@ struct ResidualLogger : gko::log::Logger {
                                const gko::LinOp *solution,
                                const gko::LinOp *residual_norm) const override
     {
-        timestamps.PushBack(
-            get_duration_in_seconds(std::chrono::steady_clock::now() - start),
-            alloc);
+        timestamps.PushBack(std::chrono::duration<double>(
+                                std::chrono::steady_clock::now() - start)
+                                .count(),
+                            alloc);
         if (residual_norm) {
             rec_res_norms.PushBack(
                 get_norm(gko::as<vec<ValueType>>(residual_norm)), alloc);
diff --git a/benchmark/utils/timer.hpp b/benchmark/utils/timer.hpp
@@ -40,9 +40,6 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <gflags/gflags.h>
 
 
-#include "benchmark/utils/chrono_utils.hpp"
-
-
 #ifdef HAS_CUDA
 
 
@@ -165,13 +162,13 @@ class Timer {
     /**
      * Put the second result into vector
      *
-     * @param ns  the second result to insert
+     * @param sec  the second result to insert
      */
-    void add_record(double ns)
+    void add_record(double sec)
     {
         // add the result;
-        duration_sec_.emplace_back(ns);
-        total_duration_sec_ += ns;
+        duration_sec_.emplace_back(sec);
+        total_duration_sec_ += sec;
     }
 
     /**
@@ -218,8 +215,8 @@ class CpuTimer : public Timer {
     {
         exec_->synchronize();
         auto stop = std::chrono::steady_clock::now();
-        auto duration_time = get_duration_in_seconds(stop - start_);
-        return duration_time;
+        std::chrono::duration<double> duration_time = stop - start_;
+        return duration_time.count();
     }
 
 private:
