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Track peak RAM in benchmarks

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This commit is contained in:
Siarhei Fedartsou 2024-07-12 20:18:32 +02:00
parent 8ae9abaa63
commit 2dcd6af43f
2 changed files with 25 additions and 7 deletions
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16
include/util/meminfo.hpp
View File

@ -2,6 +2,7 @@
#define MEMINFO_HPP #define MEMINFO_HPP
#include "util/log.hpp" #include "util/log.hpp"
#include <cstddef>
#ifndef _WIN32 #ifndef _WIN32
#include <sys/resource.h> #include <sys/resource.h>
@ -10,18 +11,27 @@
namespace osrm::util namespace osrm::util
{ {
inline void DumpMemoryStats() inline size_t PeakRAMUsedInBytes()
{ {
#ifndef _WIN32 #ifndef _WIN32
rusage usage; rusage usage;
getrusage(RUSAGE_SELF, &usage); getrusage(RUSAGE_SELF, &usage);
#ifdef __linux__ #ifdef __linux__
// Under linux, ru.maxrss is in kb // Under linux, ru.maxrss is in kb
util::Log() << "RAM: peak bytes used: " << usage.ru_maxrss * 1024; return usage.ru_maxrss * 1024;
#else // __linux__ #else // __linux__
// Under BSD systems (OSX), it's in bytes // Under BSD systems (OSX), it's in bytes
util::Log() << "RAM: peak bytes used: " << usage.ru_maxrss; return usage.ru_maxrss;
#endif // __linux__ #endif // __linux__
#else // _WIN32
return 0;
#endif // _WIN32
}
inline void DumpMemoryStats()
{
#ifndef _WIN32
util::Log() << "RAM: peak bytes used: " << PeakRAMUsedInBytes();
#else // _WIN32 #else // _WIN32
util::Log() << "RAM: peak bytes used: <not implemented on Windows>"; util::Log() << "RAM: peak bytes used: <not implemented on Windows>";
#endif // _WIN32 #endif // _WIN32

14
src/benchmarks/bench.cpp
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@ -16,8 +16,8 @@
#include "osrm/osrm.hpp" #include "osrm/osrm.hpp"
#include "osrm/status.hpp" #include "osrm/status.hpp"
#include "util/meminfo.hpp"
#include <boost/assert.hpp> #include <boost/assert.hpp>
#include <boost/optional/optional.hpp> #include <boost/optional/optional.hpp>
#include <cstdlib> #include <cstdlib>
#include <exception> #include <exception>
@ -655,10 +655,18 @@ try
std::cerr << "Unknown benchmark: " << benchmarkToRun << std::endl; std::cerr << "Unknown benchmark: " << benchmarkToRun << std::endl;
return EXIT_FAILURE; return EXIT_FAILURE;
} }
std::cout
<< "Peak RAM: "
<< std::setprecision(3)
<< static_cast<double>(osrm::util::PeakRAMUsedInBytes()) / static_cast<double>((1024 * 1024))
<< "MB"
<< std::endl;
return EXIT_SUCCESS; return EXIT_SUCCESS;
} }
catch (const std::exception &e) catch (const std::exception &e)
{ {
std::cerr << "Error: " << e.what() << std::endl; std::cerr << "Error: " << e.what() << std::endl;
return EXIT_FAILURE; return EXIT_FAILURE;
} }