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# Overflow Probe on PISCO
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A binary MLP probe that detects **token overflow** in soft-compressed document representations [PISCO](https://arxiv.org/abs/2501.16075). Token overflow occurs when a document's information content exceeds the capacity of the compressed token budget, leading to degraded downstream QA performance.
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| Component | Description |
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|-----------|-------------|
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| `mid_q` | Last hidden representation from mid layer (16) of a PISCO decoder model with standard prompt, compressed context, and question|
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Output: probability that the compressed representation has **overflowed** (i.e., lost critical information).
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# Overflow Probe on PISCO representations
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A binary MLP probe that detects **token overflow** in soft-compressed document representations [PISCO](https://arxiv.org/abs/2501.16075). Token overflow occurs when a document's information content exceeds the capacity of the compressed token budget, leading to degraded downstream QA performance.
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| Component | Description |
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|-----------|-------------|
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| `mid_q` | Last hidden representation from mid layer (16) of a PISCO decoder model with standard prompt, compressed context, and a question.|
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Output: probability that the compressed representation has **overflowed** (i.e., lost critical information).
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