[beast: 12/17] BSE: tests/firhandle.cc: eliminate slow runs, use new benchmark code

[Tim Janik <timj src gnome org>]

commit d32fb8810aa5a79da5d82ccc8c785ecc040df152
Author: Tim Janik <timj gnu org>
Date:   Tue Nov 10 17:31:19 2015 +0100

    BSE: tests/firhandle.cc: eliminate slow runs, use new benchmark code
    
    Signed-off-by: Tim Janik <timj gnu org>

 bse/tests/firhandle.cc |   39 +++++++++++++++------------------------
 1 files changed, 15 insertions(+), 24 deletions(-)
---
diff --git a/bse/tests/firhandle.cc b/bse/tests/firhandle.cc
index 5e6c9ed..a4e63c3 100644
--- a/bse/tests/firhandle.cc
+++ b/bse/tests/firhandle.cc
@@ -10,6 +10,7 @@
 #include <complex>
 #include <vector>
 
+using namespace Rapicorn::Test;
 using Rapicorn::string_format;
 using std::vector;
 using std::min;
@@ -232,32 +233,22 @@ test_with_sine_sweep (FirHandleType type)
       TCMP (band_max (scanned_freq, scanned_abs_phase_diff, 0, 5500), <, 0.00002);
     }
   TDONE();
+
   /* test speed */
-  double samples_per_second = 0;
-  if (Rapicorn::Test::slow())
+  if (1)
     {
-      const guint RUNS = 10;
-      GTimer *timer = g_timer_new();
-      const guint dups = TEST_CALIBRATION (50.0, read_through (fir_handle_sin));
-
-      double m = 9e300;
-      for (guint i = 0; i < RUNS; i++)
-        {
-          g_timer_start (timer);
-          for (guint j = 0; j < dups; j++)
-            read_through (fir_handle_sin);
-          g_timer_stop (timer);
-          double e = g_timer_elapsed (timer, NULL);
-          if (e < m)
-            m = e;
-        }
-      samples_per_second = sweep_sin.size() / (m / dups);
-      printout ("    %-28s : %+.14f samples/second",
-                string_format ("%s O64 mono", handle_name (type)).c_str(),
-                samples_per_second);
-      printout ("    %-28s : %+.14f streams",
-                string_format ("CPU %s mono", handle_name (type)).c_str(),
-                samples_per_second / 44100.0);
+      const uint RUNS = 3;
+      const uint bytes_per_run = sizeof (float) * gsl_data_handle_n_values (fir_handle_sin);
+      auto loop = [&fir_handle_sin] () {
+        for (uint j = 0; j < RUNS; j++)
+          read_through (fir_handle_sin);
+      };
+      Rapicorn::Test::Timer timer (0.03);
+      const double bench_time = timer.benchmark (loop);
+      String name = string_format ("%s O64 mono", handle_name (type));
+      const double samples_per_second = RUNS * sweep_sin.size() / bench_time;
+      TPASS ("%-20s benchmark # timing: %+.1f streams, throughput=%.1fMB/s\n",
+             name, samples_per_second / 44100.0, RUNS * bytes_per_run / bench_time / 1048576.);
     }
 }