On Thu, 2016-04-14 at 13:16 +0200, Svante Signell wrote: > Hello, > > In order to track down why the latest releases of gnumach, hurd and > glibc have > become so much slower building packages, I did a few (non-scientific) > build > tests, as shown in the attached pdf file.(I have also put it on my > web page on > Darnassus.) > > From the build times in that file, one can conclude that the largest > cause of > the slowness seems to be the gnumach version. Second in importance > seems to be > the hurd version. glibc version does not affect the results much. > Further > investigations are of course needed to track down where the cause is, > and which > commits affects the results most. > > Thanks!
Attached is an updated pdf file with builds of glibc for three different versions of gnumach, and running qemu with option cache=none. The latest kernel is affected most by this change. Any other build test you want me to make? Thanks!
build-times.pdf
Description: Adobe PDF document