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simd: trampoline hpc::cascade as ndarray::simd::cascade #273

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Merged
AdaWorldAPI merged 1 commit into from
Aug 5, 2026
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simd: trampoline hpc::cascade as ndarray::simd::cascade #273

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simd: trampoline hpc::cascade as ndarray::simd::cascade 
Consumers under the all-SIMD-from-ndarray::simd invariant need the
Belichtungsmesser surface (Cascade::expose -> Band, recalibrate,
PackedDatabase, adaptive_resolution) without reaching into crate::hpc
directly — the Prozentrang/distribution-shape payload work in the
consumer stack reads exposure bands through this path. Whole-module
alias rather than an item list, so new cascade items arrive without a
re-export edit. Both modules share the identical std feature gate.

cargo clippy --lib -D warnings green; cargo fmt --check clean.

Co-Authored-By: Claude <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01K3RyLEbuNSHxxB3NTTrGki
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@claude
claude committed Aug 5, 2026
commit f66449aab096069f20ced630357da0bd686889cf
9 changes: 9 additions & 0 deletions src/simd.rs
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Expand Up @@ -623,6 +623,15 @@ pub use crate::hpc::cam_pq::{kmeans, squared_l2};

pub use crate::hpc::heel_f64x8::cosine_f32_to_f64_simd;

// The Belichtungsmesser — banded multi-resolution cascade search
// (`Cascade::expose(distance) → Band`, `recalibrate(ShiftAlert)`,
// `PackedDatabase`, `adaptive_resolution`). Trampolined as a whole module so
// consumers under the "all SIMD from `ndarray::simd`" invariant reach the
// exposure-meter surface as `ndarray::simd::cascade::*` without dipping into
// `crate::hpc` directly. Module alias, not an item list — new cascade items
// arrive here without a re-export edit. Same `std` gate as this module.
pub use crate::hpc::cascade;

// Dispatched integer matmul — the polyfill entry for batched int8 scoring.
// `matmul_i8_to_i32` runtime-selects AMX `TDPBUSD` tiles (byte-asm, 16384
// MAC/instr, Sapphire Rapids+) → AVX-512 VPDPBUSD → AVX-VNNI → scalar, and
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