native-benchmark.json

{
  "fixture": {
    "width": 1920,
    "height": 1080,
    "channels": 3,
    "bitpix": -32,
    "sourceBytes": 24886080,
    "previewWidth": 960,
    "previewHeight": 540
  },
  "platform": "macOS-26.6.2-arm64-arm-64bit",
  "method": "3 runs, median, warmed OS file cache. C++ render includes process startup and PNG file write; Python render is in-process. HTTP cold means empty AstroLibrary cache, not cold physical disk.",
  "pythonRenderMs": 915.07,
  "nativeRenderWallMs": 15.91,
  "nativeDecodeMs": 4.07,
  "renderSpeedup": 57.53,
  "nativeFirstHTTPPreviewMs": 100.79,
  "nativeCachedHTTPPreviewMs": 0.25,
  "pixelsIdentical": true
}