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PlanEstimate

Struct PlanEstimate 

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pub struct PlanEstimate {
    pub critical_path_cost: f64,
    pub total_cost: f64,
    pub calibrated_parallel_p90_ms: Option<f64>,
    pub calibrated_channel_total_p90_ms: Option<f64>,
    pub calibrated_fusion_p90_ms: Option<f64>,
    pub calibrated_rerank_p90_ms: Option<f64>,
    pub calibrated_context_p90_ms: Option<f64>,
    pub calibrated_total_p90_ms: Option<f64>,
}
Expand description

Relative work estimate. These units compare plans; they are not latency.

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§critical_path_cost: f64§total_cost: f64§calibrated_parallel_p90_ms: Option<f64>

Calibrated p90 for the parallel candidate stage, excluding later stages.

§calibrated_channel_total_p90_ms: Option<f64>

Sum of calibrated channel p90 values; useful as a CPU-work proxy.

§calibrated_fusion_p90_ms: Option<f64>§calibrated_rerank_p90_ms: Option<f64>§calibrated_context_p90_ms: Option<f64>§calibrated_total_p90_ms: Option<f64>

End-to-end estimate for the stages in this plan. This is available only after every selected stage has enough observations in its workload bucket.

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impl Clone for PlanEstimate

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fn clone(&self) -> Self

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 PlanEstimate

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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 PartialEq for PlanEstimate

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl Serialize for PlanEstimate

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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 PlanEstimate

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

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impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

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impl<T, U> Into<U> for T
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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize

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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

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type Error = !

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fn vzip(self) -> V