kazu created PDFBOX-3382:
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Summary: pdf creation very slow
Key: PDFBOX-3382
URL: https://issues.apache.org/jira/browse/PDFBOX-3382
Project: PDFBox
Issue Type: Improvement
Components: Writing
Affects Versions: 2.0.2
Reporter: kazu
Priority: Minor
Fix For: 1.8.12
compared to older 1.8.x versions, the new 2.0.x branch is awesomely slow.
benchmarks using a multipage document with few images and many text-lines
indiciate a performance penalty of about 1:20 compared with the old 1.8.x
branch.
profiling via VisualVM indicates that the new font handling causes this
performance drawback:
TrueTypeFont.nameToGid() [31%]
TrueTypeFont.hasGlyph() [23%]
PDFont.getWidth() [16%]
PDType1Font.encode() [9%]
is there any workaround for this? the current setup only creates about 10
PDFs/second compared to over 200/second for the 1.8.x branch...
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