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RowOutputDevBuffers

gam_solve::gpu_kernels::pirls_row

Struct RowOutputDevBuffers 

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pub struct RowOutputDevBuffers {
    pub mu: CudaSlice<f64>,
    pub grad_eta: CudaSlice<f64>,
    pub w_fisher: CudaSlice<f64>,
    pub w_hessian: CudaSlice<f64>,
    pub w_solver: CudaSlice<f64>,
    pub z_fisher: CudaSlice<f64>,
    pub z_hessian: CudaSlice<f64>,
    pub deviance: CudaSlice<f64>,
    pub status: CudaSlice<u32>,
    pub n: usize,
}
Expand description

Device-resident per-row output buffers for the GPU row-reweight kernel.

final-row mode: all nine per-RowOutput fields, length n. Written once at convergence by launch_row_reweight_on_stream. For the hot inner-loop use SolveRowBuffers; for line-search use AlphaLadderDevBuffers.

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§mu: CudaSlice<f64>§grad_eta: CudaSlice<f64>§w_fisher: CudaSlice<f64>§w_hessian: CudaSlice<f64>§w_solver: CudaSlice<f64>§z_fisher: CudaSlice<f64>§z_hessian: CudaSlice<f64>§deviance: CudaSlice<f64>§status: CudaSlice<u32>§n: usize

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impl RowOutputDevBuffers

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pub fn allocate(stream: &Arc<CudaStream>, n: usize) -> Result<Self, GpuError>

Allocate all nine per-row output buffers (length n) on stream.

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