Rate counter: Difference between revisions
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wc -l .fc 2>/dev/null
rm .fc</lang>
=={{header|Vlang}}==
{{trans|Go}}
<lang vlang>import rand
import time
// representation of time.Time is nanosecond, actual resolution system specific
struct RateStateS {
mut:
last_flush time.Time
period time.Duration
tick_count int
}
fn (mut p_rate RateStateS) tic_rate() {
p_rate.tick_count++
now := time.now()
if now-p_rate.last_flush >= p_rate.period {
// TPS Report
mut tps := 0.0
if p_rate.tick_count > 0 {
tps = f64(p_rate.tick_count) / (now-p_rate.last_flush).seconds()
}
println("$tps tics per second.")
// Reset
p_rate.tick_count = 0
p_rate.last_flush = now
}
}
fn something_we_do() {
time.sleep(time.Duration(i64(9e7) + rand.i64n(i64(2e7)) or {i64(0)})) // sleep about .1 second.
}
fn main() {
start := time.now()
mut rate_watch := RateStateS{
last_flush: start,
period: 5 * time.second,
}
// Loop for twenty seconds
mut latest := start
for latest-start < 20*time.second {
something_we_do()
rate_watch.tic_rate()
latest = time.now()
}
}</lang>
Output:
<pre>
10.029074483576407 tics per second.
9.946060524563189 tics per second.
9.97480364599023 tics per second.
</pre>
=={{header|Wren}}==
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