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Min/max times are now per time step, not per timing function call, to help identify the cause for costly steps. tictoc_finishedIteration() signals the end of a time step.

release/4.3a0
Richard Roberts 2011-02-06 20:38:51 +00:00
parent 0648605f2f
commit ab3dd665a5
1 changed files with 24 additions and 7 deletions
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31
gtsam/base/timing.h
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@ -82,6 +82,7 @@ extern boost::weak_ptr<TimingOutline> timingCurrent;
class TimingOutline {
protected:
size_t t_;
size_t tIt_;
size_t tMax_;
size_t tMin_;
size_t n_;
@ -92,17 +93,14 @@ protected:
bool timerActive_;
void add(size_t usecs) {
if(usecs > tMax_)
tMax_ = usecs;
if(n_ == 0 || usecs < tMin_)
tMin_ = usecs;
t_ += usecs;
tIt_ += usecs;
++ n_;
}
public:
TimingOutline(const std::string& label) :
t_(0), tMax_(0), tMin_(0), n_(0), label_(label), timerActive_(false) {}
t_(0), tIt_(0), tMax_(0), tMin_(0), n_(0), label_(label), timerActive_(false) {}
size_t time() const {
size_t time = 0;
@ -120,8 +118,8 @@ public:
}
void print(const std::string& outline = "") const {
std::cout << outline << " " << label_ << ": " << double(time())/1000000.0 << " (" <<
n_ << " times, " << double(t_)/1000000.0 << " summed, min: " << double(tMin_)/1000000.0 <<
std::cout << outline << " " << label_ << ": " << double(t_)/1000000.0 << " (" <<
n_ << " times, " << double(time())/1000000.0 << " children, min: " << double(tMin_)/1000000.0 <<
" max: " << double(tMax_)/1000000.0 << ")\n";
for(size_t i=0; i<children_.size(); ++i) {
if(children_[i]) {
@ -169,6 +167,17 @@ public:
timerActive_ = false;
}
void finishedIteration() {
if(tIt_ > tMax_)
tMax_ = tIt_;
if(tMin_ == 0 || tIt_ < tMin_)
tMin_ = tIt_;
tIt_ = 0;
for(size_t i=0; i<children_.size(); ++i)
if(children_[i])
children_[i]->finishedIteration();
}
friend class AutoTimer;
friend void toc_(size_t id);
friend void toc_(size_t id, const std::string& label);
@ -198,14 +207,20 @@ inline void toc_(size_t id, const std::string& label) {
toc_(id);
}
inline void tictoc_finishedIteration_() {
timingRoot->finishedIteration();
}
#ifdef ENABLE_TIMING
inline void tic(size_t id, const std::string& label) { tic_(id, label); }
inline void toc(size_t id) { toc_(id); }
inline void toc(size_t id, const std::string& label) { toc_(id, label); }
inline void tictoc_finishedIteration() { tictoc_finishedIteration_(); }
#else
inline void tic(size_t id, const std::string& label) {}
inline void toc(size_t id) {}
inline void toc(size_t id, const std::string& label) {}
inline void tictoc_finishedIteration() {}
#endif
// simple class for accumulating execution timing information by name
@ -220,6 +235,7 @@ double toc(const std::string& id);
void ticPush(const std::string& id);
void ticPop(const std::string& id);
void tictoc_print();
void tictoc_finishedIteration();
/** These underscore versions work evening when ENABLE_TIMING is not defined */
double _tic_();
@ -229,6 +245,7 @@ double toc_(const std::string& id);
void ticPush_(const std::string& id);
void ticPop_(const std::string& id);
void tictoc_print_();
void tictoc_finishedIteration_();