D24 v6.2-1

Public preservation release for the full branch of the D24 v6.2 ratio-20 experiment. This repository contains both the terminal midtraining state and its terminal SFT descendant.

Repository layout

  • Repository root: final SFT Transformers model (BF16, SimpleChatML).
  • midtrain-hf/: final midtraining Transformers model (BF16 base model).
  • megatron-midtrain/iter_0004226/: exact terminal Megatron checkpoint, including optimizer/training state.
  • megatron-midtrain/: trackers, completion receipt, and frozen config.
  • provenance/: frozen campaign tickets and SFT receipt/config.
from transformers import AutoModelForCausalLM, AutoTokenizer

repo = "sfanm/d24-v6.2-1"
sft_model = AutoModelForCausalLM.from_pretrained(repo, token=True)
sft_tokenizer = AutoTokenizer.from_pretrained(repo, token=True)

midtrain_model = AutoModelForCausalLM.from_pretrained(
    repo, subfolder="midtrain-hf", token=True
)

Lineage

Stage Source/final state
Pretraining iteration 84,527; 354,530,270,862 tokens
Midtraining iteration 4,226; 17,725,128,704 tokens
SFT iteration 1,773; 475,114,114 packed tokens

Historical midtraining used the experiment's branch-scaled WSD schedule: warmup_iters=177 and decay_iters=845 with cosine decay. SFT used a constant learning rate of 1e-4 from optimizer step zero with zero warmup.

Both portable exports contain 756,819,456 parameters in BF16. This repository is an artifact-preservation release with frozen lineage and integrity metadata.

Downloads last month
10
Safetensors
Model size
0.8B params
Tensor type
BF16
ยท
Inference Providers NEW
This model isn't deployed by any Inference Provider. ๐Ÿ™‹ Ask for provider support

Model tree for sfanm/d24-v6.2-1

Finetuned
(2)
this model