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HitRateStats

oxiphysics_collision::narrowphase::gjk_cache

Struct HitRateStats 

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pub struct HitRateStats {
    pub attempts: u64,
    pub valid_hits: u64,
    pub stale_misses: u64,
    pub cold_starts: u64,
}
Expand description

Extended hit-rate tracker that also monitors validity rejection rate.

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§attempts: u64

Total warm-start attempts.

§valid_hits: u64

Attempts that passed validity check.

§stale_misses: u64

Attempts that failed validity check (cache was stale).

§cold_starts: u64

Cold-start queries (no cache at all).

Implementations§

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impl HitRateStats

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pub fn new() -> Self

Create zeroed stats.

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pub fn record_warm_attempt(&mut self, valid: bool)

Record a warm-start attempt.

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pub fn record_cold_start(&mut self)

Record a cold start (no cached data).

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pub fn effective_hit_rate(&self) -> f64

Effective hit rate: valid hits / (valid hits + stale misses + cold starts).

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pub fn staleness_rate(&self) -> f64

Staleness rate: how often cache data is present but stale.

Trait Implementations§

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impl Clone for HitRateStats

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fn clone(&self) -> HitRateStats

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for HitRateStats

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for HitRateStats

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fn default() -> HitRateStats

Returns the “default value” for a type. Read more

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