# Technical Document Extraction: Perplexity vs. Context Size Analysis ## Chart Description The image is a line graph comparing perplexity metrics across varying context sizes for two language models. The graph contains two distinct data series with contrasting behaviors. ### Axis Labels - **X-axis**: "Context size" (ranging from 0 to 125,000 in increments of 25,000) - **Y-axis**: "Perplexity" (ranging from 0 to 100 in increments of 20) ### Legend - **Placement**: Upper-right quadrant - **Entries**: - Blue line: "finetune on 32k(base=500)" - Red line: "Llama2-7B-Baseline" ### Data Series Analysis 1. **Blue Line ("finetune on 32k(base=500")** - **Initial Value**: Starts at approximately 10 perplexity at x=0 - **Trend**: Maintains a flat trajectory with minor fluctuations (~10-12 perplexity) across all context sizes - **Final Value**: Remains at ~12 perplexity at x=125,000 2. **Red Line ("Llama2-7B-Baseline")** - **Initial Value**: Starts at 100 perplexity at x=0 - **Trend**: - Immediate sharp decline to 10 perplexity at x=0 - Maintains flat trajectory at 10 perplexity for all subsequent context sizes - **Final Value**: Remains at 10 perplexity at x=125,000 ### Key Observations - The red line demonstrates a 90% reduction in perplexity at the smallest context size (x=0) - Both lines converge at 10 perplexity after the initial drop in the red line - No additional data points or annotations present in the graph - No textual blocks, tables, or secondary visual elements detected ## Spatial Grounding - Legend coordinates: [x=875, y=15] (relative to image dimensions) - Blue line occupies lower portion of graph (y=10-12) - Red line occupies upper portion initially (y=100) then lower portion (y=10) ## Trend Verification - Blue line: Horizontal trend confirmed by consistent y-values across x-axis - Red line: Step function trend confirmed by abrupt y-axis drop followed by horizontal stabilization ## Component Isolation 1. **Header**: No header elements present 2. **Main Chart**: - Grid background with dashed lines - Two data series with distinct color coding 3. **Footer**: No footer elements present ## Data Extraction Table | Context Size | finetune on 32k(base=500) | Llama2-7B-Baseline | |--------------|---------------------------|--------------------| | 0 | 10 | 100 | | 25,000 | 10 | 10 | | 50,000 | 10 | 10 | | 75,000 | 10 | 10 | | 100,000 | 10 | 10 | | 125,000 | 12 | 10 | ## Language Analysis - All text appears in English - No non-English text detected