pub struct SigmaPirlsGpuWorkspace { /* private fields */ }Expand description
Per-stream workspace for solve_pirls_step_on_stream.
Owns a non-default CUDA stream plus cuBLAS / cuSOLVER handles bound to
that stream, and the persistent device buffers that every PIRLS Newton
step in this sigma fit reuses (no per-step allocation, no per-step
handle creation). Multiple workspaces on independent streams sharing
one PirlsGpuSharedData are the substrate the stream-pool cubature
executor (Block 6 P3) composes.
When p < FUSED_XTWX_P_THRESHOLD, the workspace skips the n×p wx_dev
temporary entirely and routes through the fused xtwx_lower + xtscore
kernels instead. wx_dev is Some only for the large-p fallback path
where ddgmm + gemm beats the fused kernel.
Auto Trait Implementations§
impl Freeze for SigmaPirlsGpuWorkspace
impl RefUnwindSafe for SigmaPirlsGpuWorkspace
impl Send for SigmaPirlsGpuWorkspace
impl Sync for SigmaPirlsGpuWorkspace
impl Unpin for SigmaPirlsGpuWorkspace
impl UnsafeUnpin for SigmaPirlsGpuWorkspace
impl UnwindSafe for SigmaPirlsGpuWorkspace
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