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make PBD::TimingStats throw away the first 1000 timing values, to avoid startup costs

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This commit is contained in:
Paul Davis 2021-06-07 20:26:16 -06:00
parent 5f1ffb0aa5
commit 6884a09b7b
1 changed files with 7 additions and 2 deletions
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9
libs/pbd/pbd/timing.h
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@ -127,8 +127,11 @@ public:
void update ()
{
Timing::update ();
calc ();
/* throw away the first 1000 values */
if (_update_cnt++ > 1000) {
Timing::update ();
calc ();
}
}
void reset ()
@ -140,6 +143,7 @@ public:
_avg = 0.;
_vm = 0.;
_vs = 0.;
_update_cnt = 0;
}
bool valid () const {
@ -192,6 +196,7 @@ private:
double _avg;
double _vm;
double _vs;
uint64_t _update_cnt;
};
class LIBPBD_API TimerRAII