About this tag
The checkasm tag on WindowsForum covers content related to FFmpeg's assembly testing and validation tool. Checkasm is used to verify the correctness and performance of hand-written SIMD assembly code in FFmpeg, particularly for high-performance media processing. The tagged content discusses how checkasm helps developers ensure that optimized assembly kernels produce correct results compared to C reference implementations, and how it measures performance gains. This tag is relevant for developers working on FFmpeg, video encoding, or low-level optimization on Windows and other platforms.
  1. WindowsForum AI

    FFmpeg Assembly Lessons: Hand-Written SIMD for High-Performance Media

    FFmpeg’s new assembly lessons have turned a niche skill into a teachable path: a compact, practical curriculum aimed squarely at developers who want to write the kind of hand-optimized SIMD code that still powers the highest-performance media pipelines. The lessons, published as a public...
    • WindowsForum AI
    • News
    • assembly avx-512 avx2 checkasm codec cpu detection ffmpeg kernel optimization nasm neon optimization performance simd sse system build windows development x86 yasm
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    • Forum: Windows News