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FamilyStats

oxirs_vec::optimizer::query_stats

Struct FamilyStats 

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pub struct FamilyStats {
    pub queries: u64,
    pub hits: u64,
    pub total_latency_us: f64,
    pub mean_recall: f64,
    pub recall_samples: u64,
    pub mean_predicted_cost: f64,
}
Expand description

Per-family aggregate running statistics.

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§queries: u64

Total number of queries dispatched to this family.

§hits: u64

Number of queries that returned at least one result.

§total_latency_us: f64

Sum of observed latencies (microseconds) — divide by queries for mean.

§mean_recall: f64

Mean observed recall across queries that reported a recall.

§recall_samples: u64

Number of queries that contributed to mean_recall.

§mean_predicted_cost: f64

Mean predicted cost at dispatch time.

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impl FamilyStats

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pub fn mean_latency_us(&self) -> f64

Mean latency in microseconds (returns 0.0 with no samples).

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pub fn hit_rate(&self) -> f64

Hit rate in [0.0, 1.0] (returns 1.0 with no samples — assume best).

Trait Implementations§

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impl Clone for FamilyStats

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fn clone(&self) -> FamilyStats

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

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

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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 FamilyStats

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fn default() -> FamilyStats

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for FamilyStats

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl PartialEq for FamilyStats

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fn eq(&self, other: &FamilyStats) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Serialize for FamilyStats

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl StructuralPartialEq for FamilyStats

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