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Model: iamtatsuki05/Llama-JP-0.5B-PT-stage1 Source: Original Platform
2026-09-08 08:32:18 +08:00
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--- a/README.md
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+---
+language:
+- ja
+license: mit
+library_name: transformers
+pipeline_tag: text-generation
+tags:
+- mirei
+- llama
+- pretraining
+base_model: iamtatsuki05/Llama-JP-0.5B-init
+datasets:
+- hotchpotch/fineweb-2-edu-japanese
+---
+
+# Llama-JP-0.5B-PT-stage1
+
+English / [Japanese](README_JA.md)
+
+
+## Overview
+Llama-JP-0.5B-PT-stage1 continues from [iamtatsuki05/Llama-JP-0.5B-init](https://huggingface.co/iamtatsuki05/Llama-JP-0.5B-init) and is trained on [hotchpotch/fineweb-2-edu-japanese](https://huggingface.co/datasets/hotchpotch/fineweb-2-edu-japanese). The model observes approximately 10B tokens with 1,024-token context windows, providing a decoder-only Japanese backbone for downstream generative tasks.
+
+
+- **[Hugging Face Collection](https://huggingface.co/collections/iamtatsuki05/mirei)**
+- **[GitHub](https://github.com/iamtatsuki05/MIREI)**
+
+![Consept](assets/concept.jpg)
+
+## Usage
+### Requirements
+```
+transformers>=4.51.0
+accelerate>=1.6.0
+sentencepiece>=0.2.0
+flash-attn>=2.7.3
+```
+
+### Sample Code
+```python
+import torch
+from transformers import AutoModelForCausalLM, AutoTokenizer
+
+model_name = "iamtatsuki05/Llama-JP-0.5B-PT-stage1"
+model_kwargs = {
+  "torch_dtype": torch.bfloat16,
+  "attn_implementation": "flash_attention_2",
+  "device_map": "auto",
+}
+tokenizer = AutoTokenizer.from_pretrained(model_name)
+model = AutoModelForCausalLM.from_pretrained(model_name, **model_kwargs)
+
+prompt = "ちいかわのハチワレは"
+inputs = tokenizer(prompt, return_tensors="pt").to(model.device)
+output = model.generate(
+    **inputs,
+    max_new_tokens=256,
+    temperature=0.8,
+    top_p=0.9,
+    do_sample=True,
+)
+print(tokenizer.decode(output[0], skip_special_tokens=True))
+```
+
+
+## Model Details
+- **Base model:** [iamtatsuki05/Llama-JP-0.5B-init](https://huggingface.co/iamtatsuki05/Llama-JP-0.5B-init)
+- **Architecture:** Llama
+- **Maximum sequence length:** 8,192 tokens
+- **Embedding dimension:** 1280
+- **Tokenizer:** SentencePiece / vocabulary size 102,400
+- **Positional encoding:** RoPE
+- **Supported languages:** Japanese
+
+
+## Model Series
+
+The following checkpoints are initialized weights further pre-trained on [hotchpotch/fineweb-2-edu-japanese](https://huggingface.co/datasets/hotchpotch/fineweb-2-edu-japanese) for roughly 10B tokens with 1,024-token context lengths.
+
+| ID                                                                                                            | Architecture | #Param. | #Param.<br>w/o Emb. |
+|:-:|:-:|:-:|:-:|
+| [iamtatsuki05/ModernBERT-JP-0.5B-PT-stage1](https://huggingface.co/iamtatsuki05/ModernBERT-JP-0.5B-PT-stage1) | ModernBERT   | 679M    | 548M                |
+| [iamtatsuki05/Llama-JP-0.5B-PT-stage1](https://huggingface.co/iamtatsuki05/Llama-JP-0.5B-PT-stage1)<br>(this model)           | Llama        | 661M    | 530M                |
+
+
+## Licence
+This model is distributed under the [MIT License](https://opensource.org/license/mit/).
+
+
+## How to Cite
+
+```tex
+@article{MIREI
+  title={同一条件下における Encoder/Decoder アーキテクチャによる文埋め込みの性能分析},
+  author={岡田 龍樹 and 杉本 徹},
+  journal={言語処理学会第 32 回年次大会 (NLP2026)},
+  year={2026}
+}
+```
--- a/README_JA.md
+++ b/README_JA.md
@@ -0,0 +1,99 @@
+---
+language:
+- ja
+license: mit
+library_name: transformers
+pipeline_tag: text-generation
+tags:
+- mirei
+- llama
+- pretraining
+base_model: iamtatsuki05/Llama-JP-0.5B-init
+datasets:
+- hotchpotch/fineweb-2-edu-japanese
+---
+
+# Llama-JP-0.5B-PT-stage1
+
+[English](README.md) / Japanese
+
+
+## Overview
+Llama-JP-0.5B-PT-stage1 は、[iamtatsuki05/Llama-JP-0.5B-init](https://huggingface.co/iamtatsuki05/Llama-JP-0.5B-init) を [hotchpotch/fineweb-2-edu-japanese](https://huggingface.co/datasets/hotchpotch/fineweb-2-edu-japanese) で学習した非埋め込みパラメータが約 0.5B パラメータの日本語の Llama モデルです。 最大 1,024 トークンで 10B トークン学習させました。
+
+
+- **[Hugging Face Collection](https://huggingface.co/collections/iamtatsuki05/mirei)**
+- **[GitHub](https://github.com/iamtatsuki05/MIREI)**
+
+![Consept](assets/concept.jpg)
+
+## Usage
+### Requirements
+```
+transformers>=4.51.0
+accelerate>=1.6.0
+sentencepiece>=0.2.0
+flash-attn>=2.7.3
+```
+
+### Sample Code
+```python
+import torch
+from transformers import AutoModelForCausalLM, AutoTokenizer
+
+model_name = "iamtatsuki05/Llama-JP-0.5B-PT-stage1"
+model_kwargs = {
+  "torch_dtype": torch.bfloat16,
+  "attn_implementation": "flash_attention_2",
+  "device_map": "auto",
+}
+tokenizer = AutoTokenizer.from_pretrained(model_name)
+model = AutoModelForCausalLM.from_pretrained(model_name, **model_kwargs)
+
+prompt = "ちいかわのハチワレは"
+inputs = tokenizer(prompt, return_tensors="pt").to(model.device)
+output = model.generate(
+    **inputs,
+    max_new_tokens=256,
+    temperature=0.8,
+    top_p=0.9,
+    do_sample=True,
+)
+print(tokenizer.decode(output[0], skip_special_tokens=True))
+```
+
+
+## Model Details
+- **ベースモデル:** [iamtatsuki05/Llama-JP-0.5B-init](https://huggingface.co/iamtatsuki05/Llama-JP-0.5B-init)
+- **アーキテクチャ:** Llama
+- **最大シーケンス長:** 8,192 トークン
+- **埋め込み次元:** 1280
+- **トークナイザ:** SentencePiece / 語彙数 102,400
+- **位置エンコーディング:** RoPE
+- **対応言語:** 日本語
+
+
+## Model Series
+
+初期化済みモデルに対して [hotchpotch/fineweb-2-edu-japanese](https://huggingface.co/datasets/hotchpotch/fineweb-2-edu-japanese) で最大 1,024 トークンを約 10B トークン分事前学習したモデル群です。
+
+| ID                                                                                                            | Architecture | #Param. | #Param.<br>w/o Emb. |
+|:-:|:-:|:-:|:-:|
+| [iamtatsuki05/ModernBERT-JP-0.5B-PT-stage1](https://huggingface.co/iamtatsuki05/ModernBERT-JP-0.5B-PT-stage1) | ModernBERT   | 679M    | 548M                |
+| [iamtatsuki05/Llama-JP-0.5B-PT-stage1](https://huggingface.co/iamtatsuki05/Llama-JP-0.5B-PT-stage1)<br>(this model)           | Llama        | 661M    | 530M                |
+
+
+## Licence
+このモデルは [MIT](https://licenses.opensource.jp/MIT/MIT.html) でライセンスされています。
+
+
+## How to Cite
+
+```tex
+@article{MIREI
+  title={同一条件下における Encoder/Decoder アーキテクチャによる文埋め込みの性能分析},
+  author={岡田 龍樹 and 杉本 徹},
+  journal={言語処理学会第 32 回年次大会 (NLP2026)},
+  year={2026}
+}
+```
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