On Thu, 2023-01-05 at 23:30 +0100, Jonas Hahnfeld via Discussions on LilyPond development wrote: > On Thu, 2023-01-05 at 13:24 +0000, Werner LEMBERG wrote: > > > > > > IMO, working with a 35mb user manual isn't materially different > > > from working with a 10mb user manual. Both take a while to > > > download. > > > > Indeed, but the manuals as a whole, in all languages, get also > > distributed, and there it *does* make a significant difference IMHO: > > Right now, the PDFs in `lilypond-2.24.0-documentation.tar.xz` (which > > has a size of 170MByte) need 144MByte in total (uncompressed). > > Multiply the latter by four... > > Let's look at some concrete and objective numbers here instead of just > extrapolating - notation.pdf and also collated-files.pdf with all > regression tests are kind of the worst case scenario for the inclusion > of many tiny PDFs and font subsetting. > > When building with gs-9.55.0 and extractpdfmark, notation.pdf and > collated-files.pdf are 6.3MB and 4.9MB. With the Cairo backend > (admittedly post-processed with gs-10.0.0; will have to re-run with the > older gs version tomorrow), this increases to 14MB and 17MB - a factor > 2.2x and 3.5x. > For the totality of the (uncompressed) out-www/offline-root, this means > an increase from 825MB to 898MB; when tar'ing only this directory with > xz, the size grows from 130MB to 179MB. (Please keep in mind that our > documentation tarball contains more than that, and is also built in a > different environment, so numbers may and will vary).
Using cairo with gs-9.55.0 for post-processing (and with working links), the sizes increased some more: notation.pdf is now 19M (a factor 3x) and collated-files.pdf is 25M (a factor 5x). The size of the uncompressed out-www/offline-root jumps to 952MB and tar'ed with xz it is now 194MB - almost a factor 1.5x.
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