SAM DUMONT

Freelance Cloud & AI Platform Engineer | ex-AWS
Data platforms · Garmin apps · Sensor firmware · Remote-first

Laeken, Belgium

// BLOG

// TAG: HDR

Cutting a 4K HDR render from 593 to 166 seconds by doing less work

A ten-minute film took 40 minutes to render, and everyone (including the docs) assumed the encoder was the problem. It wasn't. Replaying decode graphs into a discard sink, converting frames before duplicating them, blurring fewer pixels, and the read-ahead that made an NVIDIA T1000 18% slower.

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ffmpeg python gpu hdr performance profiling codex
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