Video Encoding on Graviton in 2025

Description

Benchmark-heavy report on Arm video encoding: Graviton4 vs Graviton3 gains, x265 3.6+ improvements of 16-34%, SVT-AV1 Arm SIMD optimization history and HDR bit-depth costs.

URL

• Visit resource

Related resources

• Differentiable VMAF Re-implementation on PyTorchDifferentiable PyTorch reimplementation of VMAF metric enabling gradient-based codec/RDO optimization, with companion code.
• Benchmarking Conventional and Learned Video Codecs with a Low-Delay ConfigurationAcademic benchmark comparing traditional (HEVC/VVC) and learned video codecs under low-delay configuration constraints.
• Are We Compressed YetDistributed encode/decode + BD-rate + VMAF benchmarking harness originally for Daala, adopted by AOM community for comparative testing of A…
• Applying Objective Quality Metrics to Video-Codec ComparisonStudy of 789 encoded streams and 320k subjective scores analyzing VMAF correlation per colorspace for codec comparison.
• Evaluation of GPU Video Encoders for Low-Latency Real-Time 4K UHD EncodingAcademic benchmark of HEVC/AV1 GPU encoders targeting sub-2-second and sub-500ms latency tiers for real-time 4K UHD encoding.
• AV1 Encoding with libsvtav1 on QencodeThe libsvtav1 encoder (SVT-AV1) is an AV1 implementation tuned for both compression efficiency and parallel performance. This guide covers…
• dav1d.wasmWASM port of the dav1d AV1 decoder, SIMD-optimized with TypeScript interfaces, aimed at production use in browsers.
• FOSDEM 2024: VVdeC<>Arm — Optimizing an Open Source VVC Decoder for Arm ArchitecturesFOSDEM Open Media devroom talk detailing Arm-specific performance optimization work on the open-source VVdeC VVC decoder.
• Performance Comparison of AV1, JEM, VP9, and HEVC EncodersFraunhofer HHI SPIE 2017 paper comparing codec internals, BD-BR, and complexity across AV1, JEM, VP9, and HEVC.
• nano-hevcMinimal educational HEVC encoder written in pure Python, readable-over-fast, for teaching codec internals.
• Opus (xiph/opus)Reference implementation of the Opus audio codec, recently adding deep-learning-based packet loss concealment.