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https://issues.apache.org/jira/browse/PDFBOX-4119?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16371615#comment-16371615
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Tilman Hausherr edited comment on PDFBOX-4119 at 2/21/18 4:40 PM:
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Wow, this is the first time that LCMS is faster than KCMS. It's the CalGray 
colorspace. I'll add a cache.

The change from PDFBOX-4022 doesn't help because that was about many 
colorspaces. Here we have only one. This issue is somewhat similar to 
PDFBOX-4060 and PDFBOX-3858.


was (Author: tilman):
Wow, this is the first time that LCMS is faster than KCMS. It's the CalGray 
colorspace. I'll add a cache.

> KCMS takes too much time
> ------------------------
>
>                 Key: PDFBOX-4119
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-4119
>             Project: PDFBox
>          Issue Type: Improvement
>          Components: Rendering
>    Affects Versions: 2.0.8
>         Environment: windows 10
>            Reporter: savan patel
>            Priority: Major
>              Labels: CalGray
>         Attachments: RENDERING_TIME.pdf
>
>
> i have a pdf in which if i set the property 
> (-Dsun.java2d.cmm=sun.java2d.cmm.kcms.KcmsServiceProvider) as mention in the 
> PDFBOX-4022 then it took the pdf to render 6:30 minutes and without setting 
> that property it took 40 seconds around.



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