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https://github.com/NGSolve/netgen.git
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63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
#include "utils.hpp"
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#include "logging.hpp"
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#ifndef WIN32
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#include <cxxabi.h>
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#endif
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#include <iostream>
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namespace ngcore
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{
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// parallel netgen
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int id = 0, ntasks = 1;
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#ifdef WIN32
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// windows does demangling in typeid(T).name()
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NGCORE_API std::string Demangle(const char* typeinfo) {
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std::string name = typeinfo;
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// remove "class " and "struct " at beginning of type names to be consistent with demangled names of gcc/clang
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if(name.find("class ") == 0)
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name.erase(0,6);
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if(name.find("struct ") == 0)
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name.erase(0,7);
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return name;
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}
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#else
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NGCORE_API std::string Demangle(const char* typeinfo)
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{
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int status=0;
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try
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{
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char *s = abi::__cxa_demangle(typeinfo, nullptr, nullptr, &status);
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std::string result{s};
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free(s);
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return result;
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}
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catch( const std::exception & e )
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{
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GetLogger("utils")->warn("{}:{} cannot demangle {}, status: {}, error:{}", __FILE__, __LINE__, typeinfo, status, e.what());
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}
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return typeinfo;
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}
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#endif
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double seconds_per_tick = [] () noexcept
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{
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auto tick_start = GetTimeCounter();
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double tstart = WallTime();
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double tend = WallTime()+0.001;
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// wait for 1ms and compare wall time with time counter
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while(WallTime()<tend);
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auto tick_end = GetTimeCounter();
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tend = WallTime();
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return (tend-tstart)/static_cast<double>(tick_end-tick_start);
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}();
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const std::chrono::time_point<TClock> wall_time_start = TClock::now();
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} // namespace ngcore
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