performance_tests: add a --verbose flag, and default to terse

1 files changed, 23 insertions, 12 deletions

diff --git a/tests/performance_tests/performance_tests.h b/tests/performance_tests/performance_tests.h
index 29d296571..6f613e0a5 100644
--- a/tests/performance_tests/performance_tests.h
+++ b/tests/performance_tests/performance_tests.h
@@ -67,8 +67,9 @@ template <typename T>
 class test_runner
 {
 public:
-  test_runner()
+  test_runner(bool verbose = true)
     : m_elapsed(0)
+    , m_verbose(verbose)
   {
   }
 
@@ -81,7 +82,8 @@ public:
     performance_timer timer;
     timer.start();
     warm_up();
-    std::cout << "Warm up: " << timer.elapsed_ms() << " ms" << std::endl;
+    if (m_verbose)
+      std::cout << "Warm up: " << timer.elapsed_ms() << " ms" << std::endl;
 
     timer.start();
     for (size_t i = 0; i < T::loop_count; ++i)
@@ -120,21 +122,29 @@ private:
 private:
   volatile uint64_t m_warm_up;  ///<! This field is intended for preclude compiler optimizations
   int m_elapsed;
+  bool m_verbose;
 };
 
 template <typename T>
-void run_test(const std::string &filter, const char* test_name)
+void run_test(const std::string &filter, bool verbose, const char* test_name)
 {
   boost::smatch match;
   if (!filter.empty() && !boost::regex_match(std::string(test_name), match, boost::regex(filter)))
     return;
 
-  test_runner<T> runner;
+  test_runner<T> runner(verbose);
   if (runner.run())
   {
-    std::cout << test_name << " - OK:\n";
-    std::cout << "  loop count:    " << T::loop_count << '\n';
-    std::cout << "  elapsed:       " << runner.elapsed_time() << " ms\n";
+    if (verbose)
+    {
+      std::cout << test_name << " - OK:\n";
+      std::cout << "  loop count:    " << T::loop_count << '\n';
+      std::cout << "  elapsed:       " << runner.elapsed_time() << " ms\n";
+    }
+    else
+    {
+      std::cout << test_name << " (" << T::loop_count << " calls) - OK:";
+    }
     const char *unit = "ms";
     int time_per_call = runner.time_per_call();
     if (time_per_call < 30000) {
@@ -145,7 +155,7 @@ void run_test(const std::string &filter, const char* test_name)
      unit = "µs";
 #endif
     }
-    std::cout << "  time per call: " << time_per_call << " " << unit << "/call\n" << std::endl;
+    std::cout << (verbose ? "  time per call: " : " ") << time_per_call << " " << unit << "/call" << (verbose ? "\n" : "") << std::endl;
   }
   else
   {
@@ -154,7 +164,8 @@ void run_test(const std::string &filter, const char* test_name)
 }
 
 #define QUOTEME(x) #x
-#define TEST_PERFORMANCE0(filter, test_class)         run_test< test_class >(filter, QUOTEME(test_class))
-#define TEST_PERFORMANCE1(filter, test_class, a0)     run_test< test_class<a0> >(filter, QUOTEME(test_class<a0>))
-#define TEST_PERFORMANCE2(filter, test_class, a0, a1) run_test< test_class<a0, a1> >(filter, QUOTEME(test_class) "<" QUOTEME(a0) ", " QUOTEME(a1) ">")
-#define TEST_PERFORMANCE3(filter, test_class, a0, a1, a2) run_test< test_class<a0, a1, a2> >(filter, QUOTEME(test_class) "<" QUOTEME(a0) ", " QUOTEME(a1) ", " QUOTEME(a2) ">")
+#define TEST_PERFORMANCE0(filter, verbose, test_class)         run_test< test_class >(filter, verbose, QUOTEME(test_class))
+#define TEST_PERFORMANCE1(filter, verbose, test_class, a0)     run_test< test_class<a0> >(filter, verbose, QUOTEME(test_class<a0>))
+#define TEST_PERFORMANCE2(filter, verbose, test_class, a0, a1) run_test< test_class<a0, a1> >(filter, verbose, QUOTEME(test_class) "<" QUOTEME(a0) ", " QUOTEME(a1) ">")
+#define TEST_PERFORMANCE3(filter, verbose, test_class, a0, a1, a2) run_test< test_class<a0, a1, a2> >(filter, verbose, QUOTEME(test_class) "<" QUOTEME(a0) ", " QUOTEME(a1) ", " QUOTEME(a2) ">")
+#define TEST_PERFORMANCE4(filter, verbose, test_class, a0, a1, a2, a3) run_test< test_class<a0, a1, a2, a3> >(filter, verbose, QUOTEME(test_class) "<" QUOTEME(a0) ", " QUOTEME(a1) ", " QUOTEME(a2) ", " QUOTEME(a3) ">")