is this faster?

.github/workflows/build.yml

@@ -296,6 +296,11 @@ jobs:
         rmdir orig
         rm Furnace-*-Darwin.dmg
 
+        if [ -e new/Furnace.app/Contents/Resources/bin/furnace ]; then
+          rm -v new/Furnace.app/Contents/Resources/bin/furnace
+          rmdir new/Furnace.app/Contents/Resources/bin
+        fi
+
         cp -v ../LICENSE new/LICENSE.txt
         cp -v ../res/releaseReadme/stable-mac.txt new/README
         cp -v -r ../demos new/demos

CMakeLists.txt

@@ -448,6 +448,9 @@ extern/Nuked-PSG/ympsg.c
 extern/opm/opm.c
 extern/Nuked-OPLL/opll.c
 extern/opl/opl3.c
+
+src/pch.cpp
+
 src/engine/platform/sound/sn76496.cpp
 src/engine/platform/sound/ay8910.cpp
 src/engine/platform/sound/saa1099.cpp
@@ -965,6 +968,21 @@ if (PKG_CONFIG_FOUND AND (SYSTEM_FMT OR SYSTEM_LIBSNDFILE OR SYSTEM_ZLIB OR SYST
   endif()
 endif()
 
+# why 3.16..... why not 3.0?
+if (CMAKE_MAJOR_VERSION GREATER_EQUAL 3 AND CMAKE_MINOR_VERSION GREATER_EQUAL 16)
+  if (BUILD_GUI)
+  target_precompile_headers(furnace PUBLIC
+    $<$<COMPILE_LANGUAGE:CXX>:${CMAKE_CURRENT_SOURCE_DIR}/src/pch.h>
+    $<$<COMPILE_LANGUAGE:CXX>:${CMAKE_CURRENT_SOURCE_DIR}/extern/imgui_patched/imgui.h>
+    $<$<COMPILE_LANGUAGE:CXX>:${CMAKE_CURRENT_SOURCE_DIR}/extern/imgui_patched/imgui_internal.h>
+  )
+  else()
+    target_precompile_headers(furnace PUBLIC
+      $<$<COMPILE_LANGUAGE:CXX>:${CMAKE_CURRENT_SOURCE_DIR}/src/pch.h>
+    )
+  endif()
+endif()
+
 if (NOT ANDROID OR TERMUX)
   if (NOT WIN32 AND NOT APPLE)
     include(GNUInstallDirs)

extern/imgui_patched/imgui.h

@@ -2550,6 +2550,8 @@ struct ImGuiListClipper
 // - It is important that we are keeping those disabled by default so they don't leak in user space.
 // - This is in order to allow user enabling implicit cast operators between ImVec2/ImVec4 and their own types (using IM_VEC2_CLASS_EXTRA in imconfig.h)
 // - You can use '#define IMGUI_DEFINE_MATH_OPERATORS' to import our operators, provided as a courtesy.
+#define IMGUI_DEFINE_MATH_OPERATORS
+
 #ifdef IMGUI_DEFINE_MATH_OPERATORS
 #define IMGUI_DEFINE_MATH_OPERATORS_IMPLEMENTED
 IM_MSVC_RUNTIME_CHECKS_OFF

src/audio/pa.cpp

@@ -18,7 +18,6 @@
  */
 
 #include <string.h>
-#include <vector>
 #include "../ta-log.h"
 #include "pa.h"
 #ifdef _WIN32

src/audio/sdlAudio.cpp

@@ -18,7 +18,6 @@
  */
 
 #include <string.h>
-#include <vector>
 #include "../ta-log.h"
 #include "sdlAudio.h"
 

src/audio/taAudio.h

@@ -22,7 +22,7 @@
 #include "../ta-utils.h"
 #include <memory>
 #include "../fixedQueue.h"
-#include <vector>
+#include "../pch.h"
 
 struct SampleRateChangeEvent {
   double rate;

src/baseutils.h

@@ -20,7 +20,7 @@
 #ifndef _BASEUTILS_H
 #define _BASEUTILS_H
 
-#include <string>
+#include "pch.h"
 
 std::string taEncodeBase64(const std::string& data);
 std::string taDecodeBase64(const char* str);

src/engine/config.h

@@ -21,8 +21,6 @@
 #define _DIVCONFIG_H
 
 #include "../ta-utils.h"
-#include <map>
-#include <vector>
 #include <initializer_list>
 
 class DivConfig {

src/engine/dispatch.h

@@ -22,7 +22,7 @@
 
 #include <stdlib.h>
 #include <string.h>
-#include <vector>
+#include "../pch.h"
 #include "config.h"
 #include "chipUtils.h"
 

src/engine/engine.h

@@ -30,13 +30,9 @@
 #include "cmdStream.h"
 #include "../audio/taAudio.h"
 #include "blip_buf.h"
-#include <atomic>
 #include <functional>
 #include <initializer_list>
 #include <thread>
-#include <mutex>
-#include <map>
-#include <unordered_map>
 #include "../fixedQueue.h"
 
 class DivWorkPool;

src/engine/export.h

@@ -22,7 +22,7 @@
 
 #include "song.h"
 #include <initializer_list>
-#include <vector>
+#include "../pch.h"
 
 class DivEngine;
 

src/engine/instrument.h

@@ -22,7 +22,7 @@
 #include "safeWriter.h"
 #include "dataErrors.h"
 #include "../ta-utils.h"
-#include <vector>
+#include "../pch.h"
 
 struct DivSong;
 

src/engine/pattern.h

@@ -18,7 +18,7 @@
  */
 
 #include "safeReader.h"
-#include <vector>
+#include "../pch.h"
 
 struct DivPattern {
   String name;

src/engine/platform/c140.cpp

@@ -21,7 +21,6 @@
 #include "../engine.h"
 #include "../../ta-log.h"
 #include <math.h>
-#include <map>
 
 #define CHIP_FREQBASE (is219?74448896:12582912)
 

src/engine/platform/es5506.cpp

@@ -21,7 +21,6 @@
 #include "../engine.h"
 #include "../../ta-log.h"
 #include <math.h>
-#include <map>
 
 #define PITCH_OFFSET ((double)(16*2048*(chanMax+1)))
 #define NOTE_ES5506(c,note) (parent->calcBaseFreq(chipClock,chan[c].pcm.freqOffs,note,false))

src/engine/platform/qsound.cpp

@@ -21,7 +21,6 @@
 #include "../engine.h"
 #include "../../ta-log.h"
 #include <math.h>
-#include <map>
 
 #define CHIP_DIVIDER (1248*2)
 #define QS_NOTE_FREQUENCY(x) parent->calcBaseFreq(440,4096,(x)-3,false)

src/engine/platform/ymz280b.cpp

@@ -21,7 +21,6 @@
 #include "../engine.h"
 #include "../../ta-log.h"
 #include <math.h>
-#include <map>
 
 #define CHIP_FREQBASE 25165824
 

src/engine/song.h

@@ -20,7 +20,7 @@
 #ifndef _SONG_H
 #define _SONG_H
 #include <stdio.h>
-#include <vector>
+#include "../pch.h"
 
 #include "defines.h"
 #include "../ta-utils.h"

src/gui/fileDialog.h

@@ -1,7 +1,7 @@
 #include "../ta-utils.h"
 #include "imgui.h"
 #include <functional>
-#include <vector>
+#include "../pch.h"
 
 #if defined(_WIN64) || defined(__APPLE__)
 #define USE_NFD

src/gui/gui.h

@@ -28,12 +28,10 @@
 #include <SDL.h>
 #include <fftw3.h>
 #include <initializer_list>
-#include <map>
 #include <future>
 #include <memory>
-#include <mutex>
 #include <tuple>
-#include <vector>
+#include "../pch.h"
 
 #include "fileDialog.h"
 

src/gui/plot_nolerp.h

@@ -18,7 +18,7 @@
  */
 
 #include "imgui.h"
-#include <string>
+#include "../pch.h"
 
 void PlotNoLerp(const char* label, const float* values, int values_count, int values_offset = 0, const char* overlay_text = NULL, float scale_min = FLT_MAX, float scale_max = FLT_MAX, ImVec2 graph_size = ImVec2(0, 0), int stride = sizeof(float));
 void PlotBitfield(const char* label, const int* values, int values_count, int values_offset = 0, const char** overlay_text = NULL, int bits = 8, ImVec2 graph_size = ImVec2(0, 0), int stride = sizeof(float), const bool* values_highlight = NULL, ImVec4 highlightColor = ImVec4(1.0f,1.0f,1.0f,1.0f));

src/main.cpp

@@ -19,7 +19,7 @@
 
 #include <stdio.h>
 #include <stdint.h>
-#include <string>
+#include "pch.h"
 #ifdef HAVE_SDL2
 #include "SDL_events.h"
 #endif

src/pch.cpp

@@ -0,0 +1,20 @@
+/**
+ * Furnace Tracker - multi-system chiptune tracker
+ * Copyright (C) 2021-2023 tildearrow and contributors
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "pch.h"

src/pch.h

@@ -0,0 +1,29 @@
+/**
+ * Furnace Tracker - multi-system chiptune tracker
+ * Copyright (C) 2021-2023 tildearrow and contributors
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef FUR_PCH_H
+#define FUR_PCH_H
+
+#include <string>
+#include <vector>
+#include <mutex>
+#include <map>
+#include <unordered_map>
+
+#endif

src/ta-log.h

@@ -23,8 +23,8 @@
 #include <stdarg.h>
 #include <time.h>
 #include <atomic>
-#include <string>
 #include <fmt/printf.h>
+#include "pch.h"
 
 #define LOGLEVEL_ERROR 0
 #define LOGLEVEL_WARN 1

src/ta-utils.h

@@ -21,7 +21,7 @@
 #define _TA_UTILS_H
 #include <stdio.h>
 #include <string.h>
-#include <string>
+#include "pch.h"
 
 #ifdef _MSC_VER
 #include <BaseTsd.h>