Don't persist the force metal setting.

gpt4all-chat/mysettings.cpp

@@ -12,9 +12,6 @@ MySettings *MySettings::globalInstance()
 MySettings::MySettings()
     : QObject{nullptr}
 {
-    QSettings settings;
-    settings.sync();
-    m_forceMetal = settings.value("forceMetal", false).toBool();
 }
 
 bool MySettings::forceMetal() const

gpt4all-chat/qml/SettingsDialog.qml

@@ -52,7 +52,6 @@ Dialog {
 ### Assistant:\n"
     property string defaultModelPath: ModelList.defaultLocalModelsPath()
     property string defaultUserDefaultModel: "Application default"
-    property bool defaultForceMetal: false
 
     property alias temperature: settings.temperature
     property alias topP: settings.topP
@@ -68,7 +67,6 @@ Dialog {
     property alias serverChat: settings.serverChat
     property alias modelPath: settings.modelPath
     property alias userDefaultModel: settings.userDefaultModel
-    property alias forceMetal: settings.forceMetal
 
     Settings {
         id: settings
@@ -86,7 +84,6 @@ Dialog {
         property string promptTemplate: settingsDialog.defaultPromptTemplate
         property string modelPath: settingsDialog.defaultModelPath
         property string userDefaultModel: settingsDialog.defaultUserDefaultModel
-        property bool forceMetal: settingsDialog.defaultForceMetal
     }
 
     function restoreGenerationDefaults() {
@@ -113,7 +110,7 @@ Dialog {
         LLM.serverEnabled = settings.serverChat
         ChatListModel.shouldSaveChats = settings.saveChats
         ChatListModel.shouldSaveChatGPTChats = settings.saveChatGPTChats
-        MySettings.forceMetal = settings.forceMetal
+        MySettings.forceMetal = false
         settings.sync()
     }
 
@@ -123,7 +120,6 @@ Dialog {
         ChatListModel.shouldSaveChats = settings.saveChats
         ChatListModel.shouldSaveChatGPTChats = settings.saveChatGPTChats
         ModelList.localModelsPath = settings.modelPath
-        MySettings.forceMetal = settings.forceMetal
     }
 
     Connections {
@@ -817,11 +813,9 @@ Dialog {
                         Layout.columnSpan: 2
                         MyCheckBox {
                             id: gpuOverrideBox
-                            checked: settings.forceMetal
+                            checked: MySettings.forceMetal
                             onClicked: {
-                                settingsDialog.forceMetal = gpuOverrideBox.checked
-                                MySettings.forceMetal = gpuOverrideBox.checked
-                                settings.sync()
+                                MySettings.forceMetal = !MySettings.forceMetal
                             }
                         }
                         Label {
@@ -830,7 +824,7 @@ Dialog {
                             Layout.alignment: Qt.AlignTop
                             color: theme.textErrorColor
                             wrapMode: Text.WordWrap
-                            text: qsTr("WARNING: On macOS with arm architecture (M1+), this setting forces usage of the GPU if it is detected. Can cause a crash if the model requires more RAM than the OS + GPU supports. Setting has no effect on non-macs or intel macs.")
+                            text: qsTr("WARNING: On macOS with arm (M1+) this setting forces usage of the GPU. Can cause crashes if the model requires more RAM than the system supports. Because of crash possibilty the setting will not persist across restarts of the application. This has no effect on non-macs or intel.")
                         }
                     }
                     MyButton {