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WorkloadFeatures

cbtop::workload_characterization

Struct WorkloadFeatures 

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pub struct WorkloadFeatures {
    pub arithmetic_intensity: f64,
    pub memory_footprint: usize,
    pub working_set: usize,
    pub access_pattern: f64,
    pub compute_density: f64,
    pub branch_rate: f64,
    pub data_reuse: f64,
}
Expand description

Workload feature vector

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§arithmetic_intensity: f64

Arithmetic intensity (FLOPs / Bytes)

§memory_footprint: usize

Memory footprint in bytes

§working_set: usize

Working set size in bytes

§access_pattern: f64

Access pattern score (0 = random, 1 = sequential)

§compute_density: f64

Compute density (ops per cycle)

§branch_rate: f64

Branch rate (branches per operation)

§data_reuse: f64

Data reuse factor

Implementations§

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impl WorkloadFeatures

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pub fn new() -> Self

Create new feature vector

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pub fn with_intensity(self, intensity: f64) -> Self

Set arithmetic intensity

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pub fn with_memory(self, footprint: usize, working_set: usize) -> Self

Set memory footprint

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pub fn with_access_pattern(self, pattern: f64) -> Self

Set access pattern (0 = random, 1 = sequential)

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pub fn with_compute_density(self, density: f64) -> Self

Set compute density

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pub fn with_branch_rate(self, rate: f64) -> Self

Set branch rate

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pub fn with_data_reuse(self, reuse: f64) -> Self

Set data reuse factor

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pub fn normalize(&self, means: &[f64], stds: &[f64]) -> Vec<f64>

Normalize features to Z-scores

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pub fn to_vec(&self) -> Vec<f64>

Convert to feature vector

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pub fn distance(&self, other: &Self) -> f64

Compute Euclidean distance to another feature vector

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pub fn cosine_similarity(&self, other: &Self) -> f64

Compute cosine similarity

Trait Implementations§

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impl Clone for WorkloadFeatures

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fn clone(&self) -> WorkloadFeatures

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 WorkloadFeatures

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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 WorkloadFeatures

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fn default() -> Self

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

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