131 lines
2.2 KiB
C++
131 lines
2.2 KiB
C++
#ifndef PERFCHECK_H
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#define PERFCHECK_H
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//#define WITH_PERF_CHECK
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#ifdef WITH_PERF_CHECK
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#include <string>
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#include <time.h>
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#include <unordered_map>
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class PerfCheck {
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struct Stats {
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size_t calls = 0;
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clock_t time = 0;
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};
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uint32_t name;
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clock_t in;
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static Stats stats[1024];
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public:
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/** ctor */
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explicit PerfCheck(const uint32_t name) : name(name), in(clock()) {
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;
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}
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/** dtor */
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~PerfCheck() {
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stats[name].calls += 1;
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stats[name].time += clock() - in;
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}
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PerfCheck(PerfCheck const&) = delete;
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PerfCheck& operator = (PerfCheck const&) = delete;
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static void dump() {
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for (int i = 0; i < 1024; ++i) {
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const Stats& s = stats[i];
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if (s.calls != 0) {
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std::cout << i << ":\t";
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std::cout << "\tcalls: " << s.calls;
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std::cout << "\ttime: " << s.time;
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std::cout << "\ttime/call: " << ((double)s.time / (double)s.calls);
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std::cout << std::endl;
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}
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}
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}
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// static inline Stats* map() {
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// static Stats stats[1024];// = new Stats[1024];
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// return stats;
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// }
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};
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PerfCheck::Stats PerfCheck::stats[1024];
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#define PERF_REGION(idx, name) PerfCheck pcr_idx(idx)
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#define PERF_DUMP() PerfCheck::dump();
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#else
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#define PERF_REGION(idx, name)
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#define PERF_DUMP()
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#endif
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/*
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class PerfCheck {
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std::string name;
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clock_t in;
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public:
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explicit PerfCheck(const std::string& name) : name(name), in(clock()) {
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;
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}
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~PerfCheck() {
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const clock_t diff = (clock() - in);
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add(name, diff);
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}
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PerfCheck(PerfCheck const&) = delete;
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PerfCheck& operator = (PerfCheck const&) = delete;
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static void dump() {
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for (const auto& it : map()) {
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std::cout << it.first << ":\t";
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std::cout << "\tcalls: " << it.second.calls;
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std::cout << "\ttime: " << it.second.time;
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std::cout << "\ttime/call: " << ((double)it.second.time / (double)it.second.calls);
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std::cout << std::endl;
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}
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}
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private:
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struct Stats {
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size_t calls = 0;
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clock_t time = 0;
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};
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static std::unordered_map<std::string, Stats>& map() {
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static std::unordered_map<std::string, Stats> stats;
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return stats;
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}
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void add(const std::string& name, const clock_t diff) {
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std::unordered_map<std::string, Stats>& m = map();
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m[name].calls += 1;
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m[name].time += diff;
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}
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};
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*/
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#endif // PERFCHECK_H
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