[
https://issues.apache.org/jira/browse/PDFBOX-4877?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17133132#comment-17133132
]
Alfred edited comment on PDFBOX-4877 at 6/11/20, 10:34 AM:
-----------------------------------------------------------
I have reverted all changes that were just because of formatting.
here's the patch again: [^PDFBOX-4877.patch]
and the new review: [https://diffy.org/diff/4swrv40dt4d7iy5ekoijh8h0k9]
I will delete the original patch and close the first review.
Forgot to mention that all tests pass.
was (Author: faltiska):
I have reverted all changes that were just because of formatting.
here's the patch again: [^PDFBOX-4877.patch]
and the new review: [https://diffy.org/diff/4swrv40dt4d7iy5ekoijh8h0k9]
I will delete the original patch and close the first review.
> Matrix class performance improvements
> -------------------------------------
>
> Key: PDFBOX-4877
> URL: https://issues.apache.org/jira/browse/PDFBOX-4877
> Project: PDFBox
> Issue Type: Improvement
> Components: Parsing, Text extraction
> Affects Versions: 2.0.20, 3.0.0 PDFBox
> Reporter: Alfred
> Assignee: Andreas Lehmkühler
> Priority: Major
> Labels: Optimization
> Attachments: PDFBOX-4877.patch
>
> Original Estimate: 1m
> Remaining Estimate: 1m
>
> I am testing text extraction from PDF and profiling the execution.
> I found that the third major time consumer is with matrix multiplicaitons.
> The Matrix class spends large amounts of time copying results to new
> instances.
> Also, the if statements are slowing down execution as they kill performance
> in modern CPUs.
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscr...@pdfbox.apache.org
For additional commands, e-mail: dev-h...@pdfbox.apache.org
