Reorganise into faster (R2) and finer (R3)

2022-05-19 13:34:51 +01:00
parent e9264ae909
commit e9ad04e2b4
66 changed files with 89 additions and 127 deletions
--- a/src/common/Profiler.h
+++ b/src/common/Profiler.h
@@ -0,0 +1,130 @@
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Rubber Band Library
+    An audio time-stretching and pitch-shifting library.
+    Copyright 2007-2022 Particular Programs Ltd.
+
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+
+    Alternatively, if you have a valid commercial licence for the
+    Rubber Band Library obtained by agreement with the copyright
+    holders, you may redistribute and/or modify it under the terms
+    described in that licence.
+
+    If you wish to distribute code using the Rubber Band Library
+    under terms other than those of the GNU General Public License,
+    you must obtain a valid commercial licence before doing so.
+*/
+
+#ifndef RUBBERBAND_PROFILER_H
+#define RUBBERBAND_PROFILER_H
+
+//#define NO_TIMING 1
+//#define WANT_TIMING 1
+//#define PROFILE_CLOCKS 1
+
+// Define NO_TIMING or NDEBUG to switch off profilers
+#ifdef NDEBUG
+#define NO_TIMING 1
+#endif
+
+// But we always allow WANT_TIMING to switch them back on again
+#ifdef WANT_TIMING
+#undef NO_TIMING
+#endif
+
+#ifndef NO_TIMING
+#ifdef PROFILE_CLOCKS
+#include <time.h>
+#else
+#include "sysutils.h"
+#ifndef _WIN32
+#include <sys/time.h>
+#endif
+#endif
+#endif
+
+#ifndef NO_TIMING
+#include <map>
+#include <string>
+#endif
+
+namespace RubberBand {
+
+#ifndef NO_TIMING
+
+class Profiler
+{
+public:
+    Profiler(const char *name);
+    ~Profiler();
+
+    void end(); // same action as dtor
+
+    static void dump();
+
+    // Unlike the other functions, this is only defined if NO_TIMING
+    // is not set (because it uses std::string which is otherwise
+    // unused here). So, treat this as a tricksy internal function
+    // rather than an API call and guard any call to it appropriately.
+    static std::string getReport();
+
+protected:
+    const char* m_c;
+#ifdef PROFILE_CLOCKS
+    clock_t m_start;
+#else
+    struct timeval m_start;
+#endif
+    bool m_showOnDestruct;
+    bool m_ended;
+
+    typedef std::pair<int, float> TimePair;
+    typedef std::map<const char *, TimePair> ProfileMap;
+    typedef std::map<const char *, float> WorstCallMap;
+    static ProfileMap m_profiles;
+    static WorstCallMap m_worstCalls;
+    static void add(const char *, float);
+};
+
+#else
+
+#ifdef NO_TIMING_COMPLETE_NOOP
+
+// Fastest for release builds, but annoying because it can't be linked
+// with code built in debug mode (expecting non-inline functions), so
+// not preferred during development
+
+class Profiler
+{
+public:
+    Profiler(const char *) { }
+    ~Profiler() { }
+
+    void end() { }
+    static void dump() { }
+};
+
+#else
+
+class Profiler
+{
+public:
+    Profiler(const char *);
+    ~Profiler();
+
+    void end();
+    static void dump();
+};
+
+#endif
+#endif
+
+}
+
+#endif