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https://github.com/QIDITECH/QIDIStudio.git
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82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
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#include "CpuMemory.hpp"
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#include <boost/log/trivial.hpp>
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namespace Slic3r {
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#ifdef _WIN32
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#include <windows.h>
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unsigned long long get_free_memory_win()
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{
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MEMORYSTATUSEX status;
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status.dwLength = sizeof(status);
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GlobalMemoryStatusEx(&status);
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return status.ullAvailPhys;
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}
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#endif
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#ifdef __linux__
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#include <unistd.h>
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#include <sys/sysinfo.h>
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#elif __APPLE__
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#include <mach/mach_host.h>
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#include <sys/sysctl.h>
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#endif
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#if defined(__linux__) || defined(__APPLE__)
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unsigned long long get_free_memory_unix()
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{
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#ifdef __linux__
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struct sysinfo info;
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if (sysinfo(&info) == 0) {
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return info.freeram * info.mem_unit;
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}
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#elif __APPLE__
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int mib[2] = {CTL_HW, HW_MEMSIZE};
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uint64_t memsize;
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size_t len = sizeof(memsize);
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if (sysctl(mib, 2, &memsize, &len, NULL, 0) == 0) {
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vm_size_t page_size;
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mach_port_t mach_port;
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mach_msg_type_number_t count;
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vm_statistics64_data_t vm_stats;
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mach_port = mach_host_self();
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count = sizeof(vm_stats) / sizeof(natural_t);
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if (host_page_size(mach_port, &page_size) == KERN_SUCCESS && host_statistics64(mach_port, HOST_VM_INFO, (host_info64_t) &vm_stats, &count) == KERN_SUCCESS) {
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return (vm_stats.free_count + vm_stats.inactive_count) * page_size;
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}
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}
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#endif
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return 0;
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}
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#endif
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unsigned long long get_free_memory()
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{
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#ifdef _WIN32
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return get_free_memory_win();
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#elif defined(__linux__) || defined(__APPLE__)
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return get_free_memory_unix();
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#else
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return 0;
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#endif
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}
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bool CpuMemory::cur_free_memory_less_than_specify_size_gb(int size)
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{
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unsigned long long free_mem = get_free_memory();
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auto cur_size = free_mem / (1024.0 * 1024.0 * 1024.0);
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static bool first_debug_free_memory = true;
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static bool first_meet_size_gb = true;
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if (first_debug_free_memory) {
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first_debug_free_memory = false;
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BOOST_LOG_TRIVIAL(info) << __FUNCTION__ << " cur_size = " << cur_size << "GB";
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}
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if (cur_size < size) {
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if (first_meet_size_gb) {
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first_meet_size_gb = false;
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BOOST_LOG_TRIVIAL(info) << __FUNCTION__ << " cur_size = " << cur_size << "GB" << "first_meet_size_gb ";
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}
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return true;
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}
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return false;
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}
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} // namespace Slic3r
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