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Comment by vanderZwan | Hacker News Reader

> You see a histogram of the time it took to process all the pages in the PDFs in relation to the average time it takes to process the average page of the Tracemonkey Paper (the default PDF you see when opening PDF.js

While interesting data for sure, that's not really answering the same question as the headline there. How about a comparison to the rendering speed of MuPDF?

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MuPDF doesn't solve the same problem, so it doesn't really matter whether MuPDF is faster.

MuPDF solves a bit of the same problem, in that it renders PDF while trying to ignore all the extensibility cruft that makes Adobe's PDF reader incredibly insecure.

right... http://web.nvd.nist.gov/view/vuln/search-results?query=mupdf...

> Maybe you know that there is no default PDF viewer in the Opera Browser, something we would like to change. But how to include one? Buy it from Adobe or Foxit?

If that is the problem being addressed, then I think it does?

One can ask if patching MuPDF vulnerabilities is a bigger hassle than getting PDF.js performant.

MuPDF is a very nice piece of software, but it's GPL licensed. As I understand it, this basically prevents MuPDF from actually being used in commercial software ... unless of course we would make the software open source ...

It's not GPL. They commercially license it if needed, but my understanding was that Opera is open source and would be compatible with the license on it.

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