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https://issues.apache.org/jira/browse/PDFBOX-3569?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15720151#comment-15720151
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Maruan Sahyoun commented on PDFBOX-3569:
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I'd go for documenting it in the Javadoc and the release notes. Maybe we start
having some more information in the notes for notable changes similar to what
we did for moving from 1.8.x to 2.0.0 (Migration Guide) What we could do is
start documenting these changes as we develop a new release so it's a living
document and as soon as the release is done the document will be stable. WDYT?
> Performance regression in PDColorSpace#toRGBImageAWT
> ----------------------------------------------------
>
> Key: PDFBOX-3569
> URL: https://issues.apache.org/jira/browse/PDFBOX-3569
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 2.0.3, 2.1.0
> Reporter: Andreas Lehmkühler
> Assignee: Andreas Lehmkühler
> Fix For: 2.0.4, 2.1.0
>
> Attachments: PDFBOX-1058.pdf-3.png, PDFBOX-1058.pdf-3.png,
> PDFBOX-1058.pdf-3.png-diff.png, PDFBOX-2700-JCS_YCCK.pdf-1.png,
> PDFBOX-2700-JCS_YCCK.pdf-1.png, PDFBOX-2700-JCS_YCCK.pdf-1.png-diff.png,
> PDFBOX-3569-patch_v2.txt, PDFBOX-3569-patch_v3.txt
>
>
> I've a private pdf containing 1900 tiny inline images (CMYK, 8bit) which
> renders way too slow. Again the CMYK2RGB conversion is the culprit here, BUT
> the known issue with the KCMS/LCMS change isn't the main problem here.
> I ran some tests on linux (PDFToImage time -imageType png -resolution 150)
> 1.6.0_37: 355s
> 1.7.0_25: 289s
> 1.7.0_75: 298s
> 1.8.0_101: cancelled after 15 min
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