mirror of
https://github.com/nomic-ai/gpt4all
synced 2024-11-02 09:40:42 +00:00
62 lines
1.5 KiB
C++
62 lines
1.5 KiB
C++
#ifndef SYSINFO_H
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#define SYSINFO_H
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#include <fstream>
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#include <string>
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#include <sstream>
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#include <iomanip>
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#if defined(__linux__)
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#include <unistd.h>
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#elif defined(__APPLE__)
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#include <sys/types.h>
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#include <sys/sysctl.h>
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#elif defined(_WIN32)
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#include <windows.h>
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#endif
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static long long getSystemTotalRAMInBytes()
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{
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long long totalRAM = 0;
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#if defined(__linux__)
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std::ifstream file("/proc/meminfo");
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std::string line;
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while (std::getline(file, line)) {
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if (line.find("MemTotal") != std::string::npos) {
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std::string memTotalStr = line.substr(line.find(":") + 1);
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memTotalStr.erase(0, memTotalStr.find_first_not_of(" "));
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memTotalStr = memTotalStr.substr(0, memTotalStr.find(" "));
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totalRAM = std::stoll(memTotalStr) * 1024; // Convert from KB to bytes
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break;
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}
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}
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file.close();
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#elif defined(__APPLE__)
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int mib[2] = {CTL_HW, HW_MEMSIZE};
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size_t length = sizeof(totalRAM);
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sysctl(mib, 2, &totalRAM, &length, NULL, 0);
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#elif defined(_WIN32)
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MEMORYSTATUSEX memoryStatus;
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memoryStatus.dwLength = sizeof(memoryStatus);
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GlobalMemoryStatusEx(&memoryStatus);
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totalRAM = memoryStatus.ullTotalPhys;
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#endif
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return totalRAM;
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}
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static double getSystemTotalRAMInGB()
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{
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return static_cast<double>(getSystemTotalRAMInBytes()) / (1024 * 1024 * 1024);
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}
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static std::string getSystemTotalRAMInGBString()
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{
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std::stringstream ss;
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ss << std::fixed << std::setprecision(2) << getSystemTotalRAMInGB() << " GB";
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return ss.str();
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}
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#endif // SYSINFO_H
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