From 698f5bd172c442ddd6d1732fdc463d3c32f2f701 Mon Sep 17 00:00:00 2001
From: f4exb <f4exb06@gmail.com>
Date: Mon, 23 Apr 2018 18:24:45 +0200
Subject: [PATCH] Benchmarking: added actual decimator test

---
 sdrbench/CMakeLists.txt |  3 ++
 sdrbench/mainbench.cpp  | 66 +++++++++++++++++++++++++++++++++++++++--
 sdrbench/mainbench.h    | 12 ++++++++
 3 files changed, 78 insertions(+), 3 deletions(-)

diff --git a/sdrbench/CMakeLists.txt b/sdrbench/CMakeLists.txt
index 94975cdd3..c51d83509 100644
--- a/sdrbench/CMakeLists.txt
+++ b/sdrbench/CMakeLists.txt
@@ -25,12 +25,15 @@ add_library(sdrbench SHARED
 
 include_directories(
     .
+    ${CMAKE_SOURCE_DIR}/exports
+    ${CMAKE_SOURCE_DIR}/sdrbase    
     ${CMAKE_SOURCE_DIR}/logging
     ${CMAKE_CURRENT_BINARY_DIR}
 )
 
 target_link_libraries(sdrbench
     ${QT_LIBRARIES}
+    sdrbase
     logging
 )
 
diff --git a/sdrbench/mainbench.cpp b/sdrbench/mainbench.cpp
index 4da6db668..a01938447 100644
--- a/sdrbench/mainbench.cpp
+++ b/sdrbench/mainbench.cpp
@@ -17,6 +17,8 @@
 ///////////////////////////////////////////////////////////////////////////////////
 
 #include <QDebug>
+#include <QElapsedTimer>
+
 #include "mainbench.h"
 
 MainBench *MainBench::m_instance = 0;
@@ -31,16 +33,74 @@ MainBench::MainBench(qtwebapp::LoggerWithFile *logger, const ParserBench& parser
     qDebug() << "MainBench::MainBench: end";
 }
 
+MainBench::~MainBench()
+{}
+
 void MainBench::run()
 {
-    qDebug() << "MainBench::run: work in progress";
+    QElapsedTimer timer;
+    qint64 nsecs;
+
     qDebug() << "MainBench::run: parameters:" 
         << " test: " << m_parser.getTest()
         << " nsamples: " << m_parser.getNbSamples()
         << " repet: " << m_parser.getRepetition()
         << " log2f: " << m_parser.getLog2Factor();
+    
+    qDebug() << "MainBench::run: create test data";
+
+    m_buf = new qint16[m_parser.getNbSamples()*2];
+    m_convertBuffer.resize(m_parser.getNbSamples()/(1<<m_parser.getLog2Factor()));
+
+    qDebug() << "MainBench::run: run test";
+    timer.start();
+
+    for (uint32_t i = 0; i < m_parser.getRepetition(); i++)
+    {
+        decimate(m_buf, m_parser.getNbSamples()*2);
+    }
+
+    nsecs = timer.nsecsElapsed();
+    QDebug debug = qDebug();
+    debug.noquote();
+    debug << tr("MainBench::run: ran test in %L1 ns").arg(nsecs);
+
+
+    qDebug() << "MainBench::run: cleanup test data";
+
+    delete[] m_buf;
+
     emit finished();
 }
 
-MainBench::~MainBench()
-{}
\ No newline at end of file
+void MainBench::decimate(const qint16* buf, int len)
+{
+    SampleVector::iterator it = m_convertBuffer.begin();
+
+    switch (m_parser.getLog2Factor())
+    {
+    case 0:
+        m_decimators.decimate1(&it, buf, len);
+        break;
+    case 1:
+        m_decimators.decimate2_cen(&it, buf, len);
+        break;
+    case 2:
+        m_decimators.decimate4_cen(&it, buf, len);
+        break;
+    case 3:
+        m_decimators.decimate8_cen(&it, buf, len);
+        break;
+    case 4:
+        m_decimators.decimate16_cen(&it, buf, len);
+        break;
+    case 5:
+        m_decimators.decimate32_cen(&it, buf, len);
+        break;
+    case 6:
+        m_decimators.decimate64_cen(&it, buf, len);
+        break;
+    default:
+        break;
+    }    
+}
\ No newline at end of file
diff --git a/sdrbench/mainbench.h b/sdrbench/mainbench.h
index a94ec05b9..1606652c3 100644
--- a/sdrbench/mainbench.h
+++ b/sdrbench/mainbench.h
@@ -21,6 +21,7 @@
 
 #include <QObject>
 
+#include "dsp/decimators.h"
 #include "parserbench.h"
 
 namespace qtwebapp {
@@ -41,9 +42,20 @@ signals:
     void finished();
 
 private:
+    void decimate(const qint16 *buf, int len);
+
     static MainBench *m_instance;
     qtwebapp::LoggerWithFile *m_logger;
     const ParserBench& m_parser;
+
+#ifdef SDR_RX_SAMPLE_24BIT
+    Decimators<qint64, qint16, SDR_RX_SAMP_SZ, 12> m_decimators;
+#else
+	Decimators<qint32, qint16, SDR_RX_SAMP_SZ, 12> m_decimators;
+#endif
+    
+    qint16 *m_buf;
+    SampleVector m_convertBuffer;
 };
 
 #endif // SDRBENCH_MAINBENCH_H_