translate-windy-hplt-ur-en — ur to en

Bilingual machine translation in CTranslate2 INT8 for fast CPU inference. Fine-tuned by Windstorm Labs from HPLT/translate-ur-en-v2.0-hplt_opus.

Attribution

Derived from HPLT/translate-ur-en-v2.0-hplt_opus, from the HPLT project, licensed under CC-BY-4.0. Modified by Windstorm Labs. Attribution is retained as the licence requires.

What we did

Converted from the upstream Marian release, LoRA fine-tuned on parallel data for this language pair, merged into the base weights, then quantized to INT8.

Rank / alpha	8 / 16
Learning rate / steps	2.5e-06 / 50
Target modules	q_proj, v_proj
Seed	42
Training data	opus100_ur-en (clinic cache), 2,000 sentence pairs
Tensors modified	36

Provenance

base model.bin  sha256  f5594f0397e6be2efb6b332274811e7ced6da20c2770d70a038f135589677def
this model.bin  sha256  4cd0df7acb48ea4729450c87702a59b1e5e92ae35a09104889cfd72c40a40e89

Verified after INT8 quantization, on the published artifact.

Evaluation

FLORES-200 devtest, 200 sentences, beam 4, CTranslate2 INT8 on CPU.

	spBLEU	chrF
this model	31.16	55.97

Notes

• Single language pair: ur to en.
• FLORES-200 is news and encyclopedic prose.
• No human evaluation was performed.