fps-stats
Modules for measuring average FPS (frames per second) value.
FpsMeter
Calculates average FPS value from last n
milliseconds, for each frame.
; let meter = 1000;let unregister = meter; // some time later...;meter;
FpsAggregator
Saves average FPS value from FpsMeter
if it differs significantly from previous one.
; let aggregator = 2;aggregatorstart; // some time later...aggregator; console;// `x` is time of saving result, relative to start// `y` is noted average FPS value// [// { x: 0, y: 60.12 },// { x: 483, y: 58.567 }// { x: 500, y: 58.01 },// { x: 2982, y: 59.99 },// { x: 3000, y: 60.1 },// { x: 5984, y: 58.09 },// { x: 6000, y: 55.32 },// { x: 7975, y: 53.40 },// { x: 8000, y: 50.97 }// ]
With this data you can draw very nice plot of average FPS values.
avgFps
^
|
60-|----_________________________------------------------------__________
| ‾‾‾‾‾‾‾‾‾---
|
|
|
+---------+---------+---------+---------+---------+---------+---------+---------+---> time
0 1000 2000 3000 4000 5000 6000 7000 8000