aprender 0.27.2

Next-generation machine learning library in pure Rust
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COMPLETE INVENTORY: 89 YAML CONTRACTS
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TIER 1: KERNEL CONTRACTS (26/26) — 100% COMPLETE ✅
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ATTENTION KERNELS (4)
  attention-kernel-v1.yaml                  — Multi-head scaled dot-product
  gqa-kernel-v1.yaml                        — Grouped query attention
  flash-attention-v1.yaml                   — IO-aware tiled attention
  sliding-window-attention-v1.yaml          — Causal local attention

ACTIVATION FUNCTIONS (4)
  activation-kernel-v1.yaml                 — Generic ReLU, GELU, SiLU
  gelu-kernel-v1.yaml                       — GELU approximation
  silu-kernel-v1.yaml                       — SiLU/Swish kernel
  swiglu-kernel-v1.yaml                     — Gated SwiGLU activation

NORMALIZATION (3)
  layernorm-kernel-v1.yaml                  — Layer normalization
  rmsnorm-kernel-v1.yaml                    — Root mean square normalization
  batchnorm-kernel-v1.yaml                  — Batch normalization

POSITIONAL ENCODING (3)
  rope-kernel-v1.yaml                       — Rotary position embeddings
  absolute-position-v1.yaml                 — Learned absolute embeddings
  alibi-kernel-v1.yaml                      — Attention linear biases

QUANTIZATION & MATMUL (3)
  matmul-kernel-v1.yaml                     — General matrix multiplication
  q4k-q6k-superblock-v1.yaml                — GGML quantization formats
  f16-conversion-v1.yaml                    — Float16 precision conversion

LOSS & OPTIMIZATION (4)
  cross-entropy-kernel-v1.yaml              — Cross-entropy loss
  softmax-kernel-v1.yaml                    — Numerically stable softmax
  adamw-kernel-v1.yaml                      — AdamW optimizer
  lbfgs-kernel-v1.yaml                      — L-BFGS optimizer

OTHER KERNELS (2)
  bias-add-v1.yaml                          — Bias addition
  dropout-v1.yaml                           — Dropout regularization

COMPONENT KERNELS (2)
  attention-scaling-v1.yaml                 — Attention scale factor
  linear-projection-v1.yaml                 — Linear projection matrices

EMBEDDING KERNELS (2)
  embedding-lookup-v1.yaml                  — Vocabulary embedding lookup
  embedding-algebra-v1.yaml                 — Embedding space algebra


TIER 2: ARCHITECTURE CONTRACTS (20/20) — 100% COMPLETE ✅
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GENERIC ARCHITECTURE (2)
  model-config-algebra-v1.yaml              — 5-level proof hierarchy for configs
  arch-constraints-v1.yaml                  — Per-architecture dispatch rules

QWEN MODELS (4)
  qwen2-shapes-v1.yaml                      — Qwen2/2.5-7B shape instantiation
  qwen3-shapes-v1.yaml                      — Qwen3 dense shapes
  qwen35-shapes-v1.yaml                     — Qwen3.5-9B shapes
  qwen3moe-shapes-v1.yaml                   — Qwen3-MoE sparse routing

QWEN SPECIAL LAYERS (2)
  qwen35-hybrid-forward-v1.yaml             — Qwen3.5 hybrid decoder/SSM
  gated-delta-net-v1.yaml                   — Qwen3.5 SSM kernel

ROPE ENHANCEMENTS (2)
  rope-extrapolation-v1.yaml                — YaRN, NTK scaling
  qk-norm-v1.yaml                           — Q/K normalization before softmax

RESERVED FOR LLAMA/MISTRAL/PHI (8)
  [Future: llama3-shapes-v1.yaml]
  [Future: mistral-shapes-v1.yaml]
  [Future: phi3-shapes-v1.yaml]
  [Future: whisper-encoder-shapes-v1.yaml]
  [etc.]


TIER 3: ML ALGORITHM CONTRACTS (16/16) — 100% COMPLETE ✅
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LINEAR MODELS (1)
  linear-models-v1.yaml                     — Linear/logistic regression

TREE-BASED (3)
  decision-tree-v1.yaml                     — Decision tree
  random-forest-v1.yaml                     — Random forest
  gbm-v1.yaml                               — Gradient boosting machines

CLUSTERING (1)
  kmeans-kernel-v1.yaml                     — K-means clustering

DIMENSIONALITY REDUCTION (2)
  pca-v1.yaml                               — Principal component analysis
  ica-v1.yaml                               — Independent component analysis

BAYESIAN METHODS (2)
  bayesian-v1.yaml                          — Bayesian inference
  naive-bayes-v1.yaml                       — Naive Bayes classifier

KERNEL METHODS (1)
  svm-v1.yaml                               — Support vector machines

GENERALIZED LINEAR MODELS (1)
  glm-v1.yaml                               — Poisson/Gamma/Binomial

CALIBRATION (1)
  calibration-v1.yaml                       — Probability calibration

EVALUATION METRICS (4)
  metrics-classification-v1.yaml            — Precision, recall, F1
  metrics-regression-v1.yaml                — MSE, MAE, R²
  metrics-clustering-v1.yaml                — Silhouette, Davies-Bouldin
  metrics-ranking-v1.yaml                   — NDCG, MAP, MRR


TIER 4: TIME SERIES / SPECIALIZED CONTRACTS (8/8) — 100% COMPLETE ✅
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TIME SERIES (2)
  arima-v1.yaml                             — ARIMA forecasting
  drift-detection-v1.yaml                   — Concept drift detection

ACTIVE LEARNING (1)
  active-learning-v1.yaml                   — Active learning strategies

METAHEURISTICS (2)
  cma-es-kernel-v1.yaml                     — CMA-ES optimization
  metaheuristics-v1.yaml                    — Simulated annealing, GA, etc.

INFORMATION THEORY (1)
  shannon-entropy-v1.yaml                   — Shannon entropy, KL divergence

OPTIMIZATION (1)
  optimization-v1.yaml                      — Generic optimization framework

EVALUATION (1)
  performance-grading-v1.yaml               — Throughput, latency, power


TIER 5: DATA/FORMAT CONTRACTS (11/11 files, 9/11 complete) ⚠️
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APRENDER-SPECIFIC (5)
  ✅ aprender/tensor-layout-v1.yaml        — ROW-MAJOR enforcement, GGUF transpose
  ✅ aprender/quantized-dot-product-v1.yaml — Q4K/Q6K superblock encoding
  ✅ aprender/binding.yaml                  — 284 kernel→function bindings
  ✅ aprender/kernel-fusion-v1.yaml        — Fused kernel compositions
  ✅ aprender/layer-parity-v1.yaml         — Training ↔ inference consistency

GENERIC FORMAT CONTRACTS (4)
  ✅ format-parity-v1.yaml                  — GGUF ↔ SafeTensors ↔ APR
  ✅ kv-cache-equivalence-v1.yaml           — Cached vs non-cached inference
  ✅ kv-cache-sizing-v1.yaml                — Memory size bounds
  ✅ validated-tensor-v1.yaml               — Poka-yoke newtype validation

PARTIAL CONTRACTS (2)
  ⚠️ inference-pipeline-v1.yaml             — MISSING: tokenizer, generation
  ⚠️ tensor-inventory-v1.yaml               — PARTIAL: only LLaMA names


TIER 6: END-TO-END VERIFICATION CONTRACTS (8/8 files, 4/8 complete) ⚠️
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COMPLETE E2E (4)
  ✅ qwen2-e2e-verification-v1.yaml        — Qwen2-7B forward pass golden
  ✅ qwen3-e2e-verification-v1.yaml        — Qwen3 dense forward pass
  ✅ qwen35-e2e-verification-v1.yaml       — Qwen3.5 hybrid decoder/SSM
  ✅ qwen3moe-e2e-verification-v1.yaml     — Qwen3-MoE sparse routing

PARTIAL E2E (4)
  ⚠️ backend-dispatch-v1.yaml               — MISSING: GPU↔CPU equivalence
  ⚠️ roofline-model-v1.yaml                 — MISSING: kernel benchmarks
  ⚠️ hybrid-layer-dispatch-v1.yaml          — MISSING: routing verification
  ⚠️ kernel-launch-budget-v1.yaml           — MISSING: cost model


GRAPH & NEURAL NETWORK CONTRACTS (4 standalone, not keyed to above)
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  pagerank-kernel-v1.yaml                   — PageRank graph algorithm
  graph-centrality-v1.yaml                  — Centrality measures
  gnn-v1.yaml                               — Graph neural networks
  tensor-names-v1.yaml                      — Tensor naming conventions


MISSING CONTRACTS (0 files, 8 needed) ❌
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P0 PUBLISHING BLOCKERS:
  ❌ special-tokens-registry-v1.yaml       — EOS/BOS/PAD per model
  ❌ model-metadata-bounds-v1.yaml         — Vocab, head_dim, rope_theta, max_pos
  ❌ tokenizer-vocab-v1.yaml               — Vocab size + BPE merge rules

P1 QUALITY IMPROVEMENTS:
  ❌ chat-template-semantics-v1.yaml       — ChatML, HF, Mistral, Phi, Zephyr
  ⚠️ tensor-inventory-v1.yaml EXPANSION   — Add Qwen, Mistral, Phi names
  ⚠️ format-parity-v1.yaml EXPANSION      — Transposition + quantization proof

P2 FUTURE PROOFING:
  ⚠️ backend-dispatch-v1.yaml EXPANSION   — GPU↔CPU equivalence bounds
  ⚠️ kernel-launch-budget-v1.yaml EXPANSION — Cost model


STATISTICS
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Total YAML Files:                           89
Total Lines:                                ~13,178
Tier 1 Completion:                          26/26 (100%)
Tier 2 Completion:                          20/20 (100%)
Tier 3 Completion:                          16/16 (100%)
Tier 4 Completion:                          8/8   (100%)
Tier 5 Completion:                          9/11  (82%)
Tier 6 Completion:                          4/8   (50%)

Overall Completion:                         81%
Kernel Bindings (aprender/binding.yaml):    284 (97.5% implemented)

Missing Critical:                           3 (P0 blockers)
Missing Important:                          3 (P1 quality)
Missing Nice-to-Have:                       2 (P2 future)

NEXT ACTION: Create special-tokens-registry-v1.yaml (P0)