translate-windy-hplt-en-lv — en to lv

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

Attribution

Derived from HPLT/translate-en-lv-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_en-lv (clinic cache), 2,000 sentence pairs
Tensors modified	36

Provenance

base model.bin  sha256  e4f3a7dea0b67243aac604c3bdadb68d2bad70758226963bf48bcc75e672b795
this model.bin  sha256  64dddee476ba89902b0c31ff58f0c02cfa708c2671e6fc4a296089a2e16f17c3

Verified after INT8 quantization, on the published artifact.

Evaluation

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

	spBLEU	chrF
this model	26.36	51.2

Notes

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