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daemon: use integer arithmetic to avoid precision loss

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NotAShelf 2025-05-18 07:43:01 +03:00
parent 984793d445
commit ad70a85426
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1 changed files with 4 additions and 1 deletions
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5
src/daemon.rs
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@ -124,7 +124,10 @@ fn compute_new(params: &IntervalParams, system_history: &SystemHistory) -> u64 {
let blended_interval = if let Some(cached) = system_history.last_computed_interval { let blended_interval = if let Some(cached) = system_history.last_computed_interval {
// Use a weighted average: 70% previous value, 30% new value // Use a weighted average: 70% previous value, 30% new value
// This smooths out drastic changes in polling frequency // This smooths out drastic changes in polling frequency
(cached as f32).mul_add(0.7, new_interval as f32 * 0.3).round() as u64 // We use integer arithmetic to avoid precision loss with large interval values
// I think Clippy warned me about this at some point and I ignored it. Now I come
// crawling back to it...
(cached * 7 + new_interval * 3) / 10
} else { } else {
new_interval new_interval
}; };