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Show HN: ChartGPU – WebGPU-powered charting library (1M points at 60fps)

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High-performance charts powered by WebGPU

Documentation | Live Demo | Examples

ChartGPU is a TypeScript charting library built on WebGPU for smooth, interactive rendering—especially when you have lots of data.

Highlights

🚀 WebGPU-accelerated rendering for high FPS with large datasets

📈 Multiple series types: line, area, bar, scatter, pie, candlestick

🧭 Built-in interaction: hover highlight, tooltip, crosshair

🔁 Streaming updates via appendData(...) (cartesian series)

(cartesian series) 🔍 X-axis zoom (inside gestures + optional slider UI)

🎛️ Theme presets ( 'dark' | 'light' ) and custom theme support

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