Fix for crashes on systems where vulkan is not installed properly.

gpt4all-backend/CMakeLists.txt

@@ -134,6 +134,8 @@ add_library(llmodel
     llmodel_c.h llmodel_c.cpp
     dlhandle.h
 )
+target_link_libraries(llmodel PRIVATE ggml-mainline-default)
+target_compile_definitions(llmodel PRIVATE GGML_BUILD_VARIANT="default")
 target_compile_definitions(llmodel PRIVATE LIB_FILE_EXT="${CMAKE_SHARED_LIBRARY_SUFFIX}")
 
 set_target_properties(llmodel PROPERTIES

gpt4all-backend/llmodel.h

@@ -101,6 +101,7 @@ public:
     virtual bool initializeGPUDevice(int /*device*/) { return false; }
     virtual bool hasGPUDevice() { return false; }
     virtual bool usingGPUDevice() { return false; }
+    static std::vector<GPUDevice> availableGPUDevices();
 
 protected:
     // These are pure virtual because subclasses need to implement as the default implementation of

gpt4all-backend/llmodel_shared.cpp

@@ -4,6 +4,10 @@
 #include <iostream>
 #include <unordered_set>
 
+#ifdef GGML_USE_KOMPUTE
+#include "ggml-vulkan.h"
+#endif
+
 void LLModel::recalculateContext(PromptContext &promptCtx, std::function<bool(bool)> recalculate) {
     size_t i = 0;
     promptCtx.n_past = 0;
@@ -174,3 +178,26 @@ std::vector<float> LLModel::embedding(const std::string &/*text*/)
     }
     return std::vector<float>();
 }
+
+std::vector<LLModel::GPUDevice> LLModel::availableGPUDevices()
+{
+#if defined(GGML_USE_KOMPUTE)
+    std::vector<ggml_vk_device> vkDevices = ggml_vk_available_devices(0);
+
+    std::vector<LLModel::GPUDevice> devices;
+    for(const auto& vkDevice : vkDevices) {
+        LLModel::GPUDevice device;
+        device.index = vkDevice.index;
+        device.type = vkDevice.type;
+        device.heapSize = vkDevice.heapSize;
+        device.name = vkDevice.name;
+        device.vendor = vkDevice.vendor;
+
+        devices.push_back(device);
+    }
+
+    return devices;
+#else
+    return std::vector<LLModel::GPUDevice>();
+#endif
+}

gpt4all-chat/CMakeLists.txt

@@ -18,7 +18,7 @@ endif()
 
 set(APP_VERSION_MAJOR 2)
 set(APP_VERSION_MINOR 4)
-set(APP_VERSION_PATCH 17)
+set(APP_VERSION_PATCH 19)
 set(APP_VERSION "${APP_VERSION_MAJOR}.${APP_VERSION_MINOR}.${APP_VERSION_PATCH}")
 
 # Include the binary directory for the generated header file

gpt4all-chat/chatllm.cpp

@@ -263,12 +263,6 @@ bool ChatLLM::loadModel(const ModelInfo &modelInfo)
             if (m_llModelInfo.model) {
                 // Update the settings that a model is being loaded and update the device list
                 MySettings::globalInstance()->setAttemptModelLoad(filePath);
-                std::vector<LLModel::GPUDevice> devices = m_llModelInfo.model->availableGPUDevices(0);
-                QVector<QString> deviceList{ "Auto" };
-                for (LLModel::GPUDevice &d : devices)
-                    deviceList << QString::fromStdString(d.name);
-                deviceList << "CPU";
-                MySettings::globalInstance()->setDeviceList(deviceList);
 
                 // Pick the best match for the device
                 QString actualDevice = m_llModelInfo.model->implementation().buildVariant() == "metal" ? "Metal" : "CPU";

gpt4all-chat/metadata/release.json

@@ -506,6 +506,18 @@
 "
 * Adam Treat (Nomic AI)
 * Aaron Miller (Nomic AI)
+"
+  },
+  {
+    "version": "2.4.18",
+    "notes":
+"
+* Bugfix for devices to show up in the settings combobox on application start and not just on model load
+* Send information on requested device and actual device on model load to help assess which model/gpu/os combos are working
+",
+    "contributors":
+"
+* Adam Treat (Nomic AI)
 "
   }
 ]

gpt4all-chat/mysettings.cpp

@@ -1,5 +1,6 @@
 #include "mysettings.h"
 #include "modellist.h"
+#include "../gpt4all-backend/llmodel.h"
 
 #include <QDir>
 #include <QFile>
@@ -63,6 +64,13 @@ MySettings::MySettings()
     : QObject{nullptr}
 {
     QSettings::setDefaultFormat(QSettings::IniFormat);
+
+    std::vector<LLModel::GPUDevice> devices = LLModel::availableGPUDevices();
+    QVector<QString> deviceList{ "Auto" };
+    for (LLModel::GPUDevice &d : devices)
+        deviceList << QString::fromStdString(d.name);
+    deviceList << "CPU";
+    setDeviceList(deviceList);
 }
 
 Q_INVOKABLE QVector<QString> MySettings::deviceList() const

gpt4all-chat/network.cpp

@@ -393,6 +393,8 @@ void Network::sendMixpanelEvent(const QString &ev, const QVector<KeyValue> &valu
     properties.insert("name", QCoreApplication::applicationName() + " v"
         + QCoreApplication::applicationVersion());
     properties.insert("model", ChatListModel::globalInstance()->currentChat()->modelInfo().filename());
+    properties.insert("requestedDevice", MySettings::globalInstance()->device());
+    properties.insert("actualDevice", ChatListModel::globalInstance()->currentChat()->device());
 
     // Some additional startup information
     if (ev == "startup") {