On 2/13/21 4:37 PM, Zac Medico wrote: > On 2/11/21 1:17 AM, Michał Górny wrote: >> On Wed, 2021-02-10 at 19:51 +0100, Lars Wendler wrote: >>> On Wed, 10 Feb 2021 19:57:48 +0200 Andreas K. Hüttel wrote: >>> >>>> Hi all, >>>> >>>> I'm announcing a new project here - "binhost" >>>> >>>> "The Gentoo Binhost project aims to provide readily installable, >>>> precompiled packages for a subset of configurations, via central >>>> binary package hosting. Currently we are still in the conceptual >>>> planning stage. " >>>> >>>> https://wiki.gentoo.org/wiki/Project:Binhost >>>> >>>> If you're interested in helping out, feel free to add yourself on the >>>> wiki page. >>>> >>>> Note that I see actually *building* the packages not as the central >>>> point of the project (that could be e.g. a side effect of a >>>> tinderbox). I'm more concerned about >>>> * what configurations should we use >>>> * what portage features are still needed or need improvements (e.g. >>>> binpkg signing and verification) >>>> * how should hosting look like >>>> * and how we can test this on a limited scale before it goes "into >>>> production" >>>> * ... >>>> >>>> Comments, ideas, flamebaits? :D >>>> >>>> Cheers, >>>> Andreas >>>> >>> >>> It would be great to improve portage speed with handling binpkgs. I >>> already have my own binhost for a couple of Gentoo systems and even >>> though these systems don't have to compile anything themselves, >>> installing ~100 to ~200 binpkgs takes way more than an hour of >>> installation time. Arch Linux' pacman only takes a fraction of this >>> time for the very same task. >>> I know that I compare apples with pears here but even reducing the >>> current portage time by 50% would be a huge improvement. >> >> Is that really a problem? For me, Portage takes about an hour just to >> do the dependency processing these days. In fact, building from sources >> is now faster than dependency calculations. > > The ratio of these times is dependent on the complexity of the > dependencies involved, and so is the answer to your question.
Also, in the context of binary packages, dependencies calculations are generally simpler for binary packages because their USE conditionals and slot-operator := dependencies are frozen in a particular state. This dramatically reduces the search space involved in dependency calculation. -- Thanks, Zac
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