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improve: speed up native EXIF parsing #721

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Merged
merged 8 commits into from
Mar 18, 2025
Merged

improve: speed up native EXIF parsing #721

merged 8 commits into from
Mar 18, 2025

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@ptpt ptpt commented Mar 18, 2025 •
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  • disable metadata validation and upload status in process stage
  • turn off detials and debug flags in exifread.process_file
  • improve exif extraction

Before: processing 9852 images

uv run -m mapillary_tools.commands process  --desc_path /tmp/foo.json   66.19s user 8.62s system 515% cpu 14.508 total

After: processing 9852 images (without validation)

uv run -m mapillary_tools.commands process  --desc_path /tmp/foo.json   5.98s user 2.37s system 238% cpu 3.494 total

After: processing 9852 images (with validation)

uv run -m mapillary_tools.commands process  --desc_path /tmp/foo.json   14.24s user 3.97s system 277% cpu 6.570 total

@ptpt ptpt changed the title improve: speed up native EXIF/GoPro/CAMM parsing improve: speed up native EXIF parsing Mar 18, 2025
@ptpt ptpt merged commit 46f289f into main Mar 18, 2025
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@ptpt ptpt deleted the improve-native-exif-parsing branch March 18, 2025 18:11
@ptpt ptpt mentioned this pull request Apr 1, 2025
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