jspace-nanogpt.git - J-space on nanoGPT: Jacobian Lens replication & critique. J-lens norms anti-correlate with token frequency (r ~ -0.61 to -0.69); frequency-matched synthetic pair + causal loss-reweighting tests.

Age	Commit message (Expand)	Author
2026-08-02	Add tests/test_loss_reweight.py: batch determinism + weighting semantics (run...	Void Agent
2026-08-02	loss_reweight: CPU generators for randint/randperm (CUDA generators unsupport...	Void Agent
2026-08-02	Add causal experiments: synthetic frequency-matched pair (Gemini design) + lo...	Void Agent
2026-07-31	jlens_v3: chunk VJP probes (16) to fit K2200 4GB; proxy chunk fix; e2e verifi...	Void Agent
2026-07-31	Add faithful J-lens (jlens_v3): W_U-probed residual Jacobian per paper; both-...	Void Agent
2026-07-30	GPT-2 J-lens: use local Shakespeare + fix summary	Void Agent
2026-07-30	GPT-2 Small J-lens: frequency + dimensionality sampling	Void Agent
2026-07-30	Add Pythia-70m test script	Void Agent
2026-07-30	Fix: lr→learning_rate in configure_optimizers	Void Agent
2026-07-30	Add dimensional starvation experiment (d_model=16,32,64,128 vs 384)	Void Agent
2026-07-30	Add controlled frequency ablation experiment (doubled-q)	Void Agent
2026-07-29	jlens_v2: fix import path for src/ -> root layout	Void Agent
2026-07-29	Add jlens_v2.py: simplified gradient approach for J-lens	Void Agent
2026-07-29	jlens.py: fix hooks — don't detach activations, preserve gradient graph	Void Agent
2026-07-29	jlens.py: fix load_model for dict-format nanoGPT checkpoints	Void Agent
2026-07-29	Fix jlens.py import path: src/ -> project root	Void Agent
2026-07-29	Maxwell GPU fixes: disable bf16 SDPA, force fp32	Void Agent
2026-07-29	Restructure: nanoGPT at root, custom code in src/	Void Agent
2026-07-29	Initial project setup: J-lens implementation for nanoGPT	Void Agent