Squashed 'vendor/ruvector/' content from commit b64c2172

git-subtree-dir: vendor/ruvector
git-subtree-split: b64c21726f2bb37286d9ee36a7869fef60cc6900

examples/ruvLLM/esp32/src/optimizations/mod.rs

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+//! Advanced Optimizations from Ruvector
+//!
+//! This module brings key optimizations from the ruvector ecosystem to ESP32:
+//! - Binary quantization (32x compression)
+//! - Product quantization (8-32x compression)
+//! - Hamming distance with POPCNT
+//! - Fixed-point softmax with lookup tables
+//! - MicroLoRA for on-device adaptation
+//! - Sparse attention patterns
+//! - MinCut-inspired layer pruning
+
+pub mod binary_quant;
+pub mod product_quant;
+pub mod lookup_tables;
+pub mod micro_lora;
+pub mod sparse_attention;
+pub mod pruning;
+
+// Re-exports
+pub use binary_quant::{BinaryVector, BinaryEmbedding, hamming_distance, hamming_similarity};
+pub use product_quant::{ProductQuantizer, PQCode};
+pub use lookup_tables::{SoftmaxLUT, ExpLUT, DistanceLUT};
+pub use micro_lora::{MicroLoRA, LoRAConfig};
+pub use sparse_attention::{SparseAttention, AttentionPattern};
+pub use pruning::{LayerPruner, PruningConfig};