Adjust performance test parameters and computation to improve consistency across modules.

Author: allnes

modules/core/perf/include/perf.hpp

@@ -15,7 +15,7 @@ namespace ppc::core {
 
 struct PerfAttr {
   // count of task's running
-  uint64_t num_running = 10;
+  uint64_t num_running = 5;
   std::function<double()> current_timer = [&] { return -1.0; };
 };
 
@@ -102,7 +102,7 @@ class Perf {
       pipeline();
     }
     auto end = perf_attr.current_timer();
-    perf_results.time_sec = end - begin;
+    perf_results.time_sec = (end - begin) / perf_attr.num_running;
   }
 };
 

tasks/example_processes/tests/performance/main.cpp

@@ -10,7 +10,7 @@
 namespace nesterov_a_test_task_processes {
 
 class ExampleRunPerfTestProcesses : public ppc::util::BaseRunPerfTests<InType, OutType> {
-  const int kCount_ = 111;
+  const int kCount_ = 200;
   InType input_data_{};
 
   void SetUp() override { input_data_ = kCount_; }

tasks/example_threads/tests/performance/main.cpp

@@ -11,7 +11,7 @@
 namespace nesterov_a_test_task_threads {
 
 class ExampleRunPerfTestThreads : public ppc::util::BaseRunPerfTests<InType, OutType> {
-  const int kCount_ = 111;
+  const int kCount_ = 200;
   InType input_data_{};
 
   void SetUp() override { input_data_ = kCount_; }