Hi Rory-- Can any of the files you're working with be deposited in some publicly accessible location for others to test? Especially the older OO test files?
-------- MzK On Dec 24, 2017 09:23, "Rory O'Farrell" <ofarr...@iol.ie> wrote: > I have some large files made with OO 2.x and 3.x; one I currently have in > front of me is the complete works of Jane Austen, which I built out of the > individual files some time ago - as this is all public domain, I can share > it. This file on OO4 is about 1.7 MB, 800k words, 4 million chars, 3200 A5 > pages. > > It flies in LibreOffice 5.1.6.2 on an Xubuntu 16.04.03 system (2 x 4788 > Bogomips), 4 GB ram, SATA hard disk. On my main machine. using OO 4.1.5 > RC1), but also on earlier OO 4.1.x versions, on Xubuntu 16.04.03 (4 x 6185 > Bogomips) 8 GB ram, SSD disk drive [a machine with 4 cores, each core about > 130% faster than the lesser powered machine] it is glacial. > > I asked OO to add an extra heading level into the ToC - memory twitching > about 570 MB, one core completely engaged, no response after 60 minutes > I'll leave it run to see if it completes. The LibreOffice machine is using > 525 MB ram, and no core when not updating the ToC. It did the Index rebuild > in about 12 seconds. Page count is dramatically different - LO ~2400 A5 > pages, OO ~3200 A5 pages) (fonts are identical on both machines). I'm not > at present worrying about that - I'll try a small file (300 pages) and see > how that matches across suites. > > I have also noted that some very large sample files (made to examine page > number limitations some years ago) won't open on current OO versions - the > files that will open are the smaller ones (~55K pages not ~120K pages). > > I'm thinking (purely because I can't be stopped) that OO is each time > reverting to the start of the file when doing layout (as Alt Search and > Replace does), whereas LO does layout in one stream from the beginning. The > hard disks don't come into the problem, as Swap files have not been touched. > > > -- > Rory O'Farrell <ofarr...@iol.ie> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@openoffice.apache.org > For additional commands, e-mail: dev-h...@openoffice.apache.org > >
