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app.py
CHANGED
@@ -20,11 +20,11 @@ df = df[["content"]].iloc[:50]
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title = "<h1 style='text-align: center; color: #333333; font-size: 40px;'> 🤔 StarCoder Memorization Checker"
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description = """
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This ability of LLMs to learn their training set by heart can pose huge privacy issues, as many large
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This means that if sensitive data is sent and memorized by an AI, other users
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To raise awareness of this issue, we show in this demo how much [StarCoder](https://huggingface.co/bigcode/starcoder), an LLM
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We
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To evaluate memorization of the training set, we can prompt StarCoder with the first tokens of an example from the training set. If StarCoder completes the prompt with an output that looks very similar to the original sample, we will consider this sample to be memorized by the LLM.
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"""
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@@ -47,14 +47,14 @@ This means that an LLM performs verbatim memorization if parts of its training s
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### Approximate memorization
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Therefore, a definition of approximate
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Models Gives a False Sense of Privacy](https://arxiv.org/abs/2210.17546):
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A training sentence is
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**For this notebook, we will focus on approximate memorization, with a threshold set at 0.75.**
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The researchers found that the threshold of 0.75 provided good
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"""
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high_bleu_examples = {
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@@ -267,15 +267,15 @@ with gr.Blocks() as demo:
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fn=low_bleu_mirror, cache_examples=True)
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with gr.Column():
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label = gr.Label(value={"BLEU": 0},label="Memorization score (BLEU)")
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gr.Markdown("""[BLEU](https://huggingface.co/spaces/evaluate-metric/bleu) score is a metric that can be used to measure similarity of two sentences.
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Here, the higher the BLEU score, the more likely the model learn by heart
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You can reduce the Prefix size in the Advanced parameters to reduce the context length and see if the model still extracts the training sample.""")
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with gr.Row():
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with gr.Column():
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gr.Markdown("""# More samples from The Stack.
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The examples shown above come from [The Stack](https://huggingface.co/datasets/bigcode/the-stack-dedup), an open-source dataset of code data.
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To try other examples from The Stack, you can browse the table below and click on training samples you wish to assess the
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with gr.Accordion("More samples", open=False):
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table = gr.DataFrame(value=df, row_count=5, label="Samples from The Stack", interactive=False)
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submit.click(
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title = "<h1 style='text-align: center; color: #333333; font-size: 40px;'> 🤔 StarCoder Memorization Checker"
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description = """
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This ability of LLMs to learn their training set by heart can pose huge privacy issues, as many large-scale Conversational AI available commercially collect users' data at scale and fine-tune their models on it.
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This means that if sensitive data is sent and memorized by an AI, other users can willingly or unwillingly prompt the AI to spit out this sensitive data.
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To raise awareness of this issue, we show in this demo how much [StarCoder](https://huggingface.co/bigcode/starcoder), an LLM specialized in coding tasks, memorizes its training set, [The Stack](https://huggingface.co/datasets/bigcode/the-stack-dedup).
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We found that **StarCoder memorized at least 8% of the training samples** we used, which highlights the high risks of LLMs exposing the training set. We provide a notebook to reproduce our results [here](https://colab.research.google.com/drive/1YaaPOXzodEAc4JXboa12gN5zdlzy5XaR?usp=sharing).
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To evaluate memorization of the training set, we can prompt StarCoder with the first tokens of an example from the training set. If StarCoder completes the prompt with an output that looks very similar to the original sample, we will consider this sample to be memorized by the LLM.
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"""
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### Approximate memorization
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Therefore, a definition of approximate memorization was proposed in [Preventing Verbatim Memorization in Language
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Models Gives a False Sense of Privacy](https://arxiv.org/abs/2210.17546):
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A training sentence is approximately memorized if the [BLEU score](https://huggingface.co/spaces/evaluate-metric/bleu) of the completed sentence and the original training sentence is above a specific threshold.
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**For this notebook, we will focus on approximate memorization, with a threshold set at 0.75.**
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The researchers found that the threshold of 0.75 provided good empirical results in terms of semantic and syntactic similarity.
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"""
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high_bleu_examples = {
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fn=low_bleu_mirror, cache_examples=True)
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with gr.Column():
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label = gr.Label(value={"BLEU": 0},label="Memorization score (BLEU)")
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gr.Markdown("""[BLEU](https://huggingface.co/spaces/evaluate-metric/bleu) score is a metric that can be used to measure the similarity of two sentences.
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Here, the higher the BLEU score, the more likely the model will learn the example by heart.
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You can reduce the Prefix size in the Advanced parameters to reduce the context length and see if the model still extracts the training sample.""")
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with gr.Row():
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with gr.Column():
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gr.Markdown("""# More samples from The Stack.
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The examples shown above come from [The Stack](https://huggingface.co/datasets/bigcode/the-stack-dedup), an open-source dataset of code data.
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To try other examples from The Stack, you can browse the table below and click on the training samples you wish to assess the memorization score.""")
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with gr.Accordion("More samples", open=False):
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table = gr.DataFrame(value=df, row_count=5, label="Samples from The Stack", interactive=False)
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submit.click(
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