[Poppler-bugs] [Bug 34005] New: splash patch to make pdftops 5% faster on some images

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=34005

           Summary: splash patch to make pdftops 5% faster on some images
           Product: poppler
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: splash backend
        AssignedTo: poppler-bugs at lists.freedesktop.org
        ReportedBy: williambader at hotmail.com


Created an attachment (id=43045)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=43045)
splash patch to make pdftops 5% faster on some images

I profiled pdftops by building with --disable-shared --enable-static and saw
that pipeRun() and getPixel() were called a very large number of times.
This patch inlines specialized versions of pipeRun(pipe) in two common cases in
drawSpan() and completes the inlining of getPixel() in blitTransparent().
The changes make "pdftops -level1sep -eps bug-poppler27482.pdf" (with the
rasterization patches applied) run about 5% faster.
The changes should probably benefit all applications that use splash and not
just pdftops.

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