gpt4all/gpt4all-chat/llm.cpp

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#include "llm.h"
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#include "../gpt4all-backend/sysinfo.h"
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#include <QCoreApplication>
#include <QDesktopServices>
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#include <QDir>
#include <QFile>
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#include <QProcess>
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#include <QResource>
#include <QSettings>
#include <QUrl>
#include <QNetworkInformation>
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#include <fstream>
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#ifndef GPT4ALL_OFFLINE_INSTALLER
#include "network.h"
#endif
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class MyLLM: public LLM { };
Q_GLOBAL_STATIC(MyLLM, llmInstance)
LLM *LLM::globalInstance()
{
return llmInstance();
}
LLM::LLM()
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: QObject{nullptr}
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, m_compatHardware(true)
{
#if defined(__x86_64__)
#ifndef _MSC_VER
const bool minimal(__builtin_cpu_supports("avx"));
#else
int cpuInfo[4];
__cpuid(cpuInfo, 1);
const bool minimal(cpuInfo[2] & (1 << 28));
#endif
#else
const bool minimal = true; // Don't know how to handle non-x86_64
#endif
m_compatHardware = minimal;
QNetworkInformation::loadDefaultBackend();
auto * netinfo = QNetworkInformation::instance();
if (netinfo) {
connect(netinfo, &QNetworkInformation::reachabilityChanged,
this, &LLM::isNetworkOnlineChanged);
}
}
bool LLM::hasSettingsAccess() const
{
QSettings settings;
settings.sync();
return settings.status() == QSettings::NoError;
}
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bool LLM::checkForUpdates() const
{
#ifdef GPT4ALL_OFFLINE_INSTALLER
#pragma message "offline installer build will not check for updates!"
return QDesktopServices::openUrl(QUrl("https://gpt4all.io/"));
#else
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Network::globalInstance()->sendCheckForUpdates();
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#if defined(Q_OS_LINUX)
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QString tool("maintenancetool");
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#elif defined(Q_OS_WINDOWS)
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QString tool("maintenancetool.exe");
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#elif defined(Q_OS_DARWIN)
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QString tool("../../../maintenancetool.app/Contents/MacOS/maintenancetool");
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#endif
QString fileName = QCoreApplication::applicationDirPath()
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+ "/../" + tool;
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if (!QFileInfo::exists(fileName)) {
qDebug() << "Couldn't find tool at" << fileName << "so cannot check for updates!";
return false;
}
return QProcess::startDetached(fileName);
#endif
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}
bool LLM::directoryExists(const QString &path)
{
const QUrl url(path);
const QString localFilePath = url.isLocalFile() ? url.toLocalFile() : path;
const QFileInfo info(localFilePath);
return info.exists() && info.isDir();
}
bool LLM::fileExists(const QString &path)
{
const QUrl url(path);
const QString localFilePath = url.isLocalFile() ? url.toLocalFile() : path;
const QFileInfo info(localFilePath);
return info.exists() && info.isFile();
}
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qint64 LLM::systemTotalRAMInGB() const
{
return getSystemTotalRAMInGB();
}
QString LLM::systemTotalRAMInGBString() const
{
return QString::fromStdString(getSystemTotalRAMInGBString());
}
bool LLM::isNetworkOnline() const
{
auto * netinfo = QNetworkInformation::instance();
return !netinfo || netinfo->reachability() == QNetworkInformation::Reachability::Online;
}