Finegrained FP8 v4: fused grouepd/batched
Author: IlyasMoutawwakil
Pull request: yes

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# What does this PR do?

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Models:

- text models: @ArthurZucker @Cyrilvallez @vasqu
- vision models: @yonigozlan @molbap
- audio models: @eustlb @ebezzam @vasqu
- multimodal models: @zucchini-nlp
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Comments:
The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/transformers/pr_46957). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.

was actually making them when i realized m3 has swiglu alpha/limlit 😅 publishing after kernels pr merge

**[For maintainers]** Suggested jobs to run (before merge)

run-slow: deepseek_v4, gpt_oss, higgs_audio_v2, minimax_m3_vl, openai_privacy_filter, finegrained_fp8

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### CI recap

**Dashboard:** [View test results in Grafana](https://transformers-ci.lor-e.huggingface.cool/d/pytest-observability-by-pr/pytest-observability-branch?var-pr=46957)
**Latest run:** [28534097273:1](https://github.com/huggingface/transformers/actions/runs/28534097273)
**Result:** `success` | **Jobs:** 13 | **Tests:** 46,605 | **Failures:** 0 | **Duration:** 18h 24m

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did some changes, along deprecating alpha and limit