mirror of
https://github.com/Lizonghang/prima.cpp.git
synced 2025-09-06 09:09:04 +00:00
318 lines
No EOL
9.1 KiB
C++
318 lines
No EOL
9.1 KiB
C++
#include "log.h"
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#include "profiler.h"
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#include "ggml.h"
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#include "ggml-backend.h"
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#include "llama.h"
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#if defined(_WIN32) || defined(_WIN64)
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#include <windows.h>
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#elif defined(__linux__)
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#include <unistd.h>
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#include <sys/sysinfo.h>
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#elif defined(__APPLE__) && defined(__MACH__)
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#include <sys/sysctl.h>
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#include <mach/mach.h>
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#include <unistd.h>
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#endif
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#include <chrono>
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#include <fstream>
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#include <string>
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#include <cstring>
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#include <sstream>
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#include <sys/types.h>
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#include <vector>
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namespace profiler {
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const char * device_name() {
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static char device_name[256];
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#if defined(_WIN32) || defined(_WIN64)
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DWORD size = sizeof(device_name);
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if (GetComputerNameA(device_name, &size) == 0) {
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strncpy(device_name, "Unknown Windows Device", sizeof(device_name));
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}
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#elif defined(__linux__)
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if (gethostname(device_name, sizeof(device_name)) != 0) {
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strncpy(device_name, "Unknown Linux Device", sizeof(device_name));
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}
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#elif defined(__APPLE__) && defined(__MACH__)
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if (gethostname(device_name, sizeof(device_name)) != 0) {
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strncpy(device_name, "Unknown Mac Device", sizeof(device_name));
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}
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#else
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strncpy(device_name, "Unknown Device", sizeof(device_name));
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#endif
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return device_name;
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}
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uint32_t device_cpu_cores() {
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unsigned int core_count = 1; // default to 1 in case of failure
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#if defined(_WIN32) || defined(_WIN64)
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SYSTEM_INFO sysinfo;
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GetSystemInfo(&sysinfo);
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core_count = sysinfo.dwNumberOfProcessors;
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#elif defined(__linux__)
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core_count = sysconf(_SC_NPROCESSORS_ONLN);
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#elif defined(__APPLE__) && defined(__MACH__)
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int mib[4];
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size_t len = sizeof(core_count);
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mib[0] = CTL_HW;
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mib[1] = HW_AVAILCPU;
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if (sysctl(mib, 2, &core_count, &len, NULL, 0) != 0 || core_count < 1) {
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mib[1] = HW_NCPU; // total number of cpus
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if (sysctl(mib, 2, &core_count, &len, NULL, 0) != 0 || core_count < 1) {
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core_count = 1; // default to 1 if sysctl fails
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}
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}
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#endif
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return core_count;
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}
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uint64_t device_physical_memory(bool available) {
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uint64_t memory = 0;
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#if defined(_WIN32) || defined(_WIN64)
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MEMORYSTATUSEX status;
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status.dwLength = sizeof(status);
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GlobalMemoryStatusEx(&status);
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if (available) {
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memory = status.ullAvailPhys;
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} else {
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memory = status.ullTotalPhys;
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}
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#elif defined(__linux__)
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if (available) {
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// read available memory from /proc/meminfo
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std::ifstream meminfo("/proc/meminfo");
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std::string line;
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if (meminfo.is_open()) {
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while (std::getline(meminfo, line)) {
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if (line.find("MemAvailable:") == 0) {
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std::istringstream iss(line);
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std::string key;
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uint64_t kb;
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iss >> key >> kb;
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memory = kb * 1024;
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break;
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}
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}
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meminfo.close();
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}
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} else {
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// get total memory using sysinfo
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struct sysinfo info;
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if (sysinfo(&info) == 0) {
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memory = info.totalram * info.mem_unit;
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}
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}
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#elif defined(__APPLE__) && defined(__MACH__)
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if (available) {
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mach_port_t host = mach_host_self();
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vm_statistics64_data_t vm_stats;
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mach_msg_type_number_t count = HOST_VM_INFO64_COUNT;
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if (host_statistics64(host, HOST_VM_INFO64, (host_info64_t)&vm_stats, &count) == KERN_SUCCESS) {
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memory = (vm_stats.free_count + vm_stats.inactive_count) * sysconf(_SC_PAGESIZE);
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}
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} else {
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int mib[2];
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size_t len = sizeof(memory);
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mib[0] = CTL_HW;
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mib[1] = HW_MEMSIZE;
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sysctl(mib, 2, &memory, &len, NULL, 0);
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}
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#endif
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return memory;
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}
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uint64_t device_swap_memory(bool available) {
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uint64_t swap_memory = 0;
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#if defined(_WIN32) || defined(_WIN64)
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PERFORMANCE_INFORMATION performance_info;
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performance_info.cb = sizeof(performance_info);
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if (GetPerformanceInfo(&performance_info, sizeof(performance_info))) {
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if (available) {
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swap_memory = (performance_info.PageFileTotal - performance_info.PageFileUsage) * performance_info.PageSize;
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} else {
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swap_memory = performance_info.PageFileTotal * performance_info.PageSize;
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}
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}
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#elif defined(__linux__)
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std::ifstream meminfo("/proc/meminfo");
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std::string line;
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uint64_t total_swap = 0;
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uint64_t free_swap = 0;
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if (meminfo.is_open()) {
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while (std::getline(meminfo, line)) {
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if (line.find("SwapTotal:") == 0) {
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std::istringstream iss(line);
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std::string key;
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uint64_t kb;
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iss >> key >> kb;
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total_swap = kb * 1024;
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} else if (line.find("SwapFree:") == 0) {
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std::istringstream iss(line);
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std::string key;
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uint64_t kb;
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iss >> key >> kb;
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free_swap = kb * 1024;
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}
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}
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meminfo.close();
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}
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if (available) {
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swap_memory = free_swap;
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} else {
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swap_memory = total_swap;
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}
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#elif defined(__APPLE__) && defined(__MACH__)
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int mib[2] = {CTL_VM, VM_SWAPUSAGE};
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struct xsw_usage swap;
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size_t len = sizeof(swap);
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if (sysctl(mib, 2, &swap, &len, NULL, 0) == 0) {
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if (available) {
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swap_memory = swap.xsu_avail;
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} else {
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swap_memory = swap.xsu_total;
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}
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}
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#endif
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return swap_memory;
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}
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uint64_t device_disk_read_bw(const char * test_file, size_t buffer_size_mb) {
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uint64_t speed = 0;
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size_t buffer_size = buffer_size_mb * 1024 * 1024; // buffer size in bytes
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try {
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// open a file for reading
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std::ifstream file(test_file, std::ios::binary | std::ios::in);
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if (!file) {
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LOG_ERR("Unable to open the file at path: %s\n", test_file);
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return speed;
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}
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// prepare buffer for reading
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std::vector<char> buffer(buffer_size);
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auto start_time = std::chrono::high_resolution_clock::now();
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// read file into buffer
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file.read(buffer.data(), buffer.size());
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if (!file) {
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LOG_ERR("Failed to read enough data from the test file\n");
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return speed;
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}
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auto end_time = std::chrono::high_resolution_clock::now();
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std::chrono::duration<double> elapsed_time = end_time - start_time;
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// speed in bytes per second
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if (elapsed_time.count() > 0) {
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speed = static_cast<uint64_t>(buffer.size() / elapsed_time.count());
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}
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buffer.clear();
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buffer.shrink_to_fit();
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} catch (const std::exception &e) {
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LOG_ERR("Exception while calculating disk read speed: %s\n", e.what());
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}
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return speed;
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}
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uint64_t device_memory_bw(size_t buffer_size_mb) {
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uint64_t speed = 0;
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size_t test_size = buffer_size_mb * 1024 * 1024; // convert MB to bytes
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try {
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// allocate memory for speed test
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std::vector<char> buffer(test_size, 1);
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// measure write speed
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auto start_time = std::chrono::high_resolution_clock::now();
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memset(buffer.data(), 0xAB, buffer.size());
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auto end_time = std::chrono::high_resolution_clock::now();
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std::chrono::duration<double> elapsed_time = end_time - start_time;
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double write_speed = static_cast<double>(test_size) / elapsed_time.count();
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// measure read speed
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start_time = std::chrono::high_resolution_clock::now();
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volatile char temp = 0;
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for (size_t i = 0; i < buffer.size(); i += 64) {
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temp += buffer[i]; // read in steps of cache line size to minimize cache thrashing
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}
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end_time = std::chrono::high_resolution_clock::now();
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elapsed_time = end_time - start_time;
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double read_speed = static_cast<double>(test_size) / elapsed_time.count();
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// average speed
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speed = static_cast<uint64_t>((write_speed + read_speed) / 2.0);
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buffer.clear();
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buffer.shrink_to_fit();
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} catch (const std::exception &e) {
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LOG_ERR("Exception while calculating memory speed: %s\n", e.what());
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}
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return speed;
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}
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int device_has_metal(void) {
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return ggml_cpu_has_metal();
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}
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int device_has_cuda(void) {
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return ggml_cpu_has_cuda();
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}
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int device_has_vulkan(void) {
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return ggml_cpu_has_vulkan();
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}
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int device_has_kompute(void) {
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return ggml_cpu_has_kompute();
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}
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int device_has_gpublas(void) {
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return ggml_cpu_has_gpublas();
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}
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int device_has_blas(void) {
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return ggml_cpu_has_blas();
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}
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int device_has_sycl(void) {
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return ggml_cpu_has_sycl();
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}
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// ggml_backend_buffer_type_t llama_dev_buffer_type(const llama_model * model, int device)
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void device_get_props(struct llama_model * model, int device, struct ggml_backend_dev_props * props) {
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ggml_backend_buffer_type_t buft_type;
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if (device == -1) { // type cpu
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buft_type = ggml_backend_cpu_buffer_type();
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} else { // type gpu
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buft_type = llama_dev_buffer_type(model, device);
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}
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ggml_backend_dev_t dev = ggml_backend_buft_get_device(buft_type);
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ggml_backend_dev_get_props(dev, props);
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}
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} // namespace profiler
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