Am 31.01.2017 um 11:41 schrieb Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx>: > Em Tue, 31 Jan 2017 09:44:10 +0100 > Markus Heiser <markus.heiser@xxxxxxxxxxx> escreveu: > >> BTW, my 'convert' (ImageMagick) is very slow and CPU consuming: >> >> GENPDF Documentation/media/uapi/v4l/selection.svg >> >> takes approximately 20% - 30% of the **complete** build time >> of the 'pdfdocs' target. Its only with 'selection.svg'. The >> other conversions are fast. >> >> Is this only to me? >> >> Here is what I have installed ... >> >> $ convert -version >> Version: ImageMagick 6.8.9-9 Q16 x86_64 2016-11-29 http://www.imagemagick.org >> Copyright: Copyright (C) 1999-2014 ImageMagick Studio LLC >> Features: DPC Modules OpenMP >> Delegates: bzlib cairo djvu fftw fontconfig freetype jbig jng jpeg lcms lqr ltdl lzma openexr pangocairo png rsvg tiff wmf x xml zlib > > Here, it took about 4 seconds to build it (CPU is Xeon(R) CPU E5-2670 0 @ 2.60GHz): > > $ time convert Documentation/media/uapi/v4l/selection.svg Documentation/media/uapi/v4l/selection.pdf > > real 0m4.818s > user 0m57.714s > sys 0m0.508s > > $ convert -version > Version: ImageMagick 6.9.3-0 Q16 x86_64 2016-05-14 http://www.imagemagick.org > Copyright: Copyright (C) 1999-2016 ImageMagick Studio LLC > License: http://www.imagemagick.org/script/license.php > Features: Cipher DPC Modules OpenMP > Delegates (built-in): bzlib cairo djvu fftw fontconfig freetype gslib jbig jng jp2 jpeg lcms ltdl lzma openexr pangocairo png ps rsvg tiff webp wmf x xml zlib > > It is not too slow on my desktop with Intel(R) Core(TM) i7-6770HQ CPU @ 2.60GHz: > > $ time convert Documentation/media/uapi/v4l/selection.svg Documentation/media/uapi/v4l/selection.pdf > > real 0m12.485s > user 0m53.602s > sys 0m0.340s > Hi Mauro! I don't want to made a hardware competition, which I will lose ;) I like to ride my good old steam-engines ... so lets face a single PDF conversion with a full HTML build: $ time convert Documentation/media/uapi/v4l/selection.svg Documentation/media/uapi/v4l/selection.pdf real 3m5.715s user 3m3.224s sys 0m2.252s compared with a full HTML build:: $ time make DOCBOOKS= htmldocs .... real 3m37.134s user 3m22.840s sys 0m9.408s both consume nearly the same time and resources. > This image is complex, as it has two tux images, where one of them > is cropped. Sorry for bikesheeding you, is there a chance to get a less complex SVG? -- Markus -- -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html