Intel

Intel/distilbert-base-uncased-distilled-squad-int8-static-inc

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Model Documentation

Model Card for INT8 DistilBERT Base Uncased Fine-Tuned on SQuAD

This model is an INT8 quantized version of DistilBERT base uncased, which has been fine-tuned on the Stanford Question Answering Dataset (SQuAD). The quantization was performed using the Hugging Face's Optimum-Intel, leveraging the Intel® Neural Compressor.

| Model Detail | Description | | ----------

| ----------- |

| Model Authors | Xin He Zixuan Cheng Yu Wenz | | Date | Aug 4, 2022 | | Version | The base model for this quantization process was distilbert-base-uncased-distilled-squad, a distilled version of BERT designed for the question-answering task. | | Type | Language Model | | Paper or Other Resources | Base Model: distilbert-base-uncased-distilled-squad | | License | apache-2.0 | | Questions or Comments | Community Tab and Intel DevHub Discord| | Quantization Details | The model underwent post-training static quantization to convert it from its original FP32 precision to INT8, optimizing for size and inference speed while aiming to retain as much of the original model's accuracy as possible.| | Calibration Details | For PyTorch, the calibration dataloader was the train dataloader with a real sampling size of 304 due to the default calibration sampling size of 300 not being exactly divisible by the batch size of 8. For the ONNX version, the calibration was performed using the eval dataloader with a default calibration sampling size of 100. |

| Intended Use | Description | | ----------

| ----------- |

| Primary intended uses | This model is intended for question-answering tasks, where it can provide answers to questions given a context passage. It is optimized for scenarios requiring fast inference and reduced model size without significantly compromising accuracy. | | Primary intended users | Researchers, developers, and enterprises that require efficient, low-latency question answering capabilities in their applications, particularly where computational resources are limited. | | Out-of-scope uses | |

Evaluation

PyTorch Version

This is an INT8 PyTorch model quantized with huggingface/optimum-intel through the usage of Intel® Neural Compressor.

| |INT8|FP32| |---|:---:|:---:| | Accuracy (eval-f1) |86.1069|86.8374| | Model size (MB) |74.7|265|

ONNX Version

This is an INT8 ONNX model quantized with Intel® Neural Compressor.

| |INT8|FP32| |---|:---:|:---:| | Accuracy (eval-f1) |0.8633|0.8687| | Model size (MB) |154|254|

Usage

Optimum Intel w/ Neural Compressor

python
from optimum.intel import INCModelForQuestionAnswering

model_id = "Intel/distilbert-base-uncased-distilled-squad-int8-static"
int8_model = INCModelForQuestionAnswering.from_pretrained(model_id)

Optimum w/ ONNX Runtime

python
from optimum.onnxruntime import ORTModelForQuestionAnswering
model = ORTModelForQuestionAnswering.from_pretrained('Intel/distilbert-base-uncased-distilled-squad-int8-static')

Ethical Considerations

While not explicitly mentioned, users should be aware of potential biases present in the training data (SQuAD and Wikipedia), and consider the implications of these biases on the model's outputs. Additionally, quantization may introduce or exacerbate biases in certain scenarios.

Caveats and Recommendations

Users should consider the balance between performance and accuracy when deploying quantized models in critical applications.

Further fine-tuning or calibration may be necessary for specific use cases or to meet stricter accuracy requirements.

Files & Weights

Filename	Size	Action
model.onnx	0.15 GB
pytorch_model.bin	0.07 GB