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stabilityai/stablelm-2-1_6b-GGUF

Quantized GGUF model files for stablelm-2-1_6b from stabilityai

Name	Quant method	Size
stablelm-2-1_6b.fp16.gguf	fp16	3.29 GB
stablelm-2-1_6b.q2_k.gguf	q2_k	694.16 MB
stablelm-2-1_6b.q3_k_m.gguf	q3_k_m	857.71 MB
stablelm-2-1_6b.q4_k_m.gguf	q4_k_m	1.03 GB
stablelm-2-1_6b.q5_k_m.gguf	q5_k_m	1.19 GB
stablelm-2-1_6b.q6_k.gguf	q6_k	1.35 GB
stablelm-2-1_6b.q8_0.gguf	q8_0	1.75 GB

Original Model Card:

`Stable LM 2 1.6B`

Model Description

Stable LM 2 1.6B is a 1.6 billion parameter decoder-only language model pre-trained on 2 trillion tokens of diverse multilingual and code datasets for two epochs.

Usage

Get started generating text with Stable LM 2 1.6B by using the following code snippet:

python

from transformers import AutoModelForCausalLM, AutoTokenizer
tokenizer = AutoTokenizer.from_pretrained("stabilityai/stablelm-2-1_6b", trust_remote_code=True)
model = AutoModelForCausalLM.from_pretrained(
  "stabilityai/stablelm-2-1_6b",
  trust_remote_code=True,
  torch_dtype="auto",
)
model.cuda()
inputs = tokenizer("The weather is always wonderful", return_tensors="pt").to(model.device)
tokens = model.generate(
  **inputs,
  max_new_tokens=64,
  temperature=0.70,
  top_p=0.95,
  do_sample=True,
)
print(tokenizer.decode(tokens[0], skip_special_tokens=True))

Run with Flash Attention 2 ⚡️

Click to expand

python

from transformers import AutoModelForCausalLM, AutoTokenizer
tokenizer = AutoTokenizer.from_pretrained("stabilityai/stablelm-2-1_6b", trust_remote_code=True)
model = AutoModelForCausalLM.from_pretrained(
  "stabilityai/stablelm-2-1_6b",
  trust_remote_code=True,
  torch_dtype="auto",
  attn_implementation="flash_attention_2",
)
model.cuda()
inputs = tokenizer("The weather is always wonderful", return_tensors="pt").to(model.device)
tokens = model.generate(
  **inputs,
  max_new_tokens=64,
  temperature=0.70,
  top_p=0.95,
  do_sample=True,
)
print(tokenizer.decode(tokens[0], skip_special_tokens=True))

Model Details

Developed by: Stability AI
Model type: Stable LM 2 1.6B models are auto-regressive language models based on the transformer decoder architecture.
Language(s): English
Library: GPT-NeoX
License: Stability AI Non-Commercial Research Community License. If you'd like to use this model for commercial products or purposes, please contact us here to learn more.
Contact: For questions and comments about the model, please email lm@stability.ai

Model Architecture

The model is a decoder-only transformer similar to the LLaMA (Touvron et al., 2023) architecture with the following modifications:

Parameters	Hidden Size	Layers	Heads	Sequence Length
1,644,417,024	2048	24	32	4096

Position Embeddings: Rotary Position Embeddings (Su et al., 2021) applied to the first 25% of head embedding dimensions for improved throughput following Black et al. (2022).
Normalization: LayerNorm (Ba et al., 2016) with learned bias terms as opposed to RMSNorm (Zhang & Sennrich, 2019).
Biases: We remove all bias terms from the model except for attention Q,K,V projections (Bai et al., 2023).
Tokenizer: We use Arcade100k, a BPE tokenizer extended from OpenAI's tiktoken.cl100k_base. We split digits into individual tokens following findings by Liu & Low (2023).

Training

Training Dataset

The dataset is comprised of a filtered mixture of open-source large-scale datasets available on the HuggingFace Hub: Falcon RefinedWeb extract (Penedo et al., 2023), RedPajama-Data (Together Computer., 2023) and The Pile (Gao et al., 2020) both without the Books3 subset, and StarCoder (Li et al., 2023). We further supplement our training with multi-lingual data from CulturaX (Nguyen et al., 2023) and, in particular, from its OSCAR corpora, as well as restructured data in the style of Yuan & Liu (2022).

Given the large amount of web data, we recommend fine-tuning the base Stable LM 2 1.6B for your downstream tasks.

Training Procedure

The model is pre-trained on the aforementioned datasets in bfloat16 precision, optimized with AdamW, and trained using the NeoX tokenizer with a vocabulary size of 100,352. We outline the complete hyperparameters choices in the project's GitHub repository - config*. The final checkpoint of pre-training, before cooldown, is provided in the global_step420000 branch.

Training Infrastructure

Hardware: Stable LM 2 1.6B was trained on the Stability AI cluster across 512 NVIDIA A100 40GB GPUs (AWS P4d instances).
Software: We use a fork of gpt-neox (EleutherAI, 2021), train under 2D parallelism (Data and Tensor Parallel) with ZeRO-1 (Rajbhandari et al., 2019), and rely on flash-attention as well as SwiGLU and Rotary Embedding kernels from FlashAttention-2 (Dao et al., 2023)

Use and Limitations

Intended Use

The model is intended to be used as a foundational base model for application-specific fine-tuning. Developers must evaluate and fine-tune the model for safe performance in downstream applications.

Limitations and Bias

As a base model, this model may exhibit unreliable, unsafe, or other undesirable behaviors that must be corrected through evaluation and fine-tuning prior to deployment. The pre-training dataset may have contained offensive or inappropriate content, even after applying data cleansing filters, which can be reflected in the model-generated text. We recommend that users exercise caution when using these models in production systems. Do not use the models if they are unsuitable for your application, or for any applications that may cause deliberate or unintentional harm to others.

How to Cite

bibtex

@misc{StableLM-2-1.6B,
      url={[https://huggingface.co/stabilityai/stablelm-2-1.6b](https://huggingface.co/stabilityai/stablelm-2-1.6b)},
      title={Stable LM 2 1.6B},
      author={Stability AI Language Team}
}

afrideva/stablelm-2-1_6b-GGUF