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GpuCostModel

entrenar::gpu::cluster

Struct GpuCostModel 

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pub struct GpuCostModel {
    pub pcie_cost_per_mb: f64,
    pub gpu_compute_per_mflop: f64,
    pub dispatch_threshold: f64,
}
Expand description

GPU dispatch cost_model (PW-01: 5× PCIe Rule)

Determines when GPU dispatch is beneficial based on compute-to-transfer ratio. The crossover point (dispatch_threshold) is 5× the PCIe transfer cost.

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§pcie_cost_per_mb: f64

PCIe transfer cost per MB (microseconds)

§gpu_compute_per_mflop: f64

GPU compute cost per MFLOP (microseconds)

§dispatch_threshold: f64

Dispatch threshold multiplier (default: 5×)

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impl GpuCostModel

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pub fn should_dispatch_gpu(&self, data_mb: f64, compute_mflops: f64) -> bool

Check if GPU dispatch is beneficial for the given workload.

Returns true when compute time > dispatch_threshold × transfer time (crossover).

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impl Default for GpuCostModel

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fn default() -> Self

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