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https://issues.apache.org/jira/browse/PDFBOX-4875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17134773#comment-17134773
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ASF subversion and git services commented on PDFBOX-4875:
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Commit 1878805 from Tilman Hausherr in branch 'pdfbox/branches/2.0'
[ https://svn.apache.org/r1878805 ]
PDFBOX-4875: synchronize on FONTS instead of on parameter
> Lazy load standard 14 fonts, only if needed
> -------------------------------------------
>
> Key: PDFBOX-4875
> URL: https://issues.apache.org/jira/browse/PDFBOX-4875
> Project: PDFBox
> Issue Type: Improvement
> Components: Parsing, Text extraction
> Affects Versions: 2.0.20, 3.0.0 PDFBox
> Reporter: Alfred
> Priority: Major
> Labels: Optimization
> Fix For: 2.0.21, 3.0.0 PDFBox
>
> Attachments: PDFBOX-4875.patch
>
> Original Estimate: 1m
> Remaining Estimate: 1m
>
> I am testing text extraction from PDF and profiling the execution.
> I found that the second biggest time consumer is the static code in
> Standard14Fonts that loads fonts from the pdf box jar.
> Looking at the code I realized we don't have to load all fonts statically,
> when the class loads.
> Not all PDFs need all fonts, so, if we lazy loaded them, only when needed, it
> will save some time and some memory.
> The memory part in particular would be important when running on a tablet or
> a phone, where the entire memory space of the app is 80M - 160M.
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