XL/README.md

FlashAR-LlamaGen-XL

Best GPT-XL checkpoint for FlashAR / LlamaGen NAR ImageNet-256 evaluation.

Files

• FlashAR-LlamaGen-XL.pt: clean inference checkpoint.
• FlashAR-LlamaGen-XL.json: metric and provenance sidecar.

Metrics

• Dataset/eval: ImageNet-256
• Step: 107,500
• FID: 3.054045162945613
• sFID: 6.683951400631031
• Inception Score: 259.35772705078125
• Precision: 0.80102
• Recall: 0.5758

Checkpoint format

The .pt file contains:

• model: model state dict only
• args: original training args
• steps: training step
• metrics: best eval metrics

It does not contain optimizer state, scheduler state, or KV-cache buffers. Verification found zero kv_cache, k_cache, or v_cache keys in this uploaded checkpoint.