misc/timer.hpp

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• Last update: 2023-08-10 13:25:59+09:00
• Include: #include "misc/timer.hpp"

Required by

• Multipoint Simulated Annealing (marathon/sa-manager.hpp)
• Simulated Annealing (marathon/simulated-annealing.hpp)
• misc/all.hpp

Verified with

• verify/verify-unit-test/arbitrary-ntt-mod18446744069414584321.test.cpp
• verify/verify-unit-test/bigint2.test.cpp
• verify/verify-unit-test/bigint3.test.cpp
• verify/verify-unit-test/composite-exp.test.cpp
• verify/verify-unit-test/fast-bs.test.cpp
• verify/verify-unit-test/fast-inv-o1.test.cpp
• verify/verify-unit-test/fast-inv.test.cpp
• verify/verify-unit-test/garner-bigint.test.cpp
• verify/verify-unit-test/mf.test.cpp
• verify/verify-unit-test/multipoint-binomial-sum.test.cpp
• verify/verify-unit-test/radix-sort.test.cpp
• verify/verify-unit-test/rbst-segment-tree.test.cpp
• verify/verify-unit-test/sa-manager.test.cpp
• verify/verify-unit-test/simulated-annealing.test.cpp
• verify/verify-unit-test/strassen.test.cpp
• verify/verify-yosupo-math/yosupo-division-of-hex.test.cpp
• verify/verify-yuki/yuki-0952.test.cpp

Code

#pragma once

#include <chrono>
using namespace std;

struct Timer {
  chrono::high_resolution_clock::time_point st;

  Timer() { reset(); }
  void reset() { st = chrono::high_resolution_clock::now(); }

  long long elapsed() {
    auto ed = chrono::high_resolution_clock::now();
    return chrono::duration_cast<chrono::milliseconds>(ed - st).count();
  }
  long long operator()() { return elapsed(); }
};

#line 2 "misc/timer.hpp"

#include <chrono>
using namespace std;

struct Timer {
  chrono::high_resolution_clock::time_point st;

  Timer() { reset(); }
  void reset() { st = chrono::high_resolution_clock::now(); }

  long long elapsed() {
    auto ed = chrono::high_resolution_clock::now();
    return chrono::duration_cast<chrono::milliseconds>(ed - st).count();
  }
  long long operator()() { return elapsed(); }
};

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