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Viligance/
ISA-Language

in-synapse-activation

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ISA Language checkpoints

Model-only PyTorch checkpoints for the ISA language experiments. The repository contains hybrid and physical models at tiny, mid, and small scales.

Device equation

The physical operator evaluates

[ I(V,V_{th}) = I_S\frac{\operatorname{softplus}^2!\left(\frac{V-V_{th}}{2nU_T}\right)-\operatorname{softplus}^2!\left(\frac{V-V_{th}-V_D}{2nU_T}\right)}{1+V/V_{sat}}. ]

The checkpoint tensors already contain the fitted threshold and TIA parameters required by this operator.

Layout

{hybrid,physical}/{tiny,mid,small}/model.pt

Loading with ISA

python

import torch
from huggingface_hub import hf_hub_download
from isa.language.config import ModelConfig
from isa.language.models import create_model

path = hf_hub_download(
    repo_id="Viligance/ISA-Language",
    filename="physical/small/model.pt",
)
checkpoint = torch.load(path, map_location="cpu")
config = ModelConfig(**checkpoint["model_config"])
model = create_model(config)
model.load_state_dict(checkpoint["model_state"], strict=True)
model.eval()

model_config is stored as a plain dictionary. checkpoint_manifest.json records each file's SHA256 digest, size, layer count, and evaluation metadata. release_validation.json summarizes artifact checks.