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If I may ask, does anyone have any profiling information one way or the |
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other to shed light on the situation? |
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On Mon, Jul 10, 2017 at 6:12 PM, R0b0t1 <r030t1@×××××.com> wrote: |
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> On Mon, Jul 10, 2017 at 6:56 PM, William L. Thomson Jr. |
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> <wlt-ml@××××××.com> wrote: |
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> > On Mon, 10 Jul 2017 17:47:45 -0500 |
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> > Gordon Pettey <petteyg359@×××××.com> wrote: |
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> > |
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> >> On Mon, Jul 10, 2017 at 5:24 PM, Michał Górny <mgorny@g.o> |
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> >> wrote: |
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> >> |
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> >> > On pon, 2017-07-10 at 17:40 -0400, William L. Thomson Jr. wrote: |
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> >> > > Stop getting lost in the weeds!!!! |
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> >> > > You all are making this about -c vs -C. I am not talking about |
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> >> > > that! |
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> >> > > |
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> >> > > LET ME CLARIFY.... |
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> >> > > |
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> >> > > When using -C, portage SHOULD warn for dependencies like it does |
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> >> > > for profile and set packages, PERIOD. NOTHING to do with -c vs -C. |
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> >> > > |
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> >> > > When using -c the output should say in layman's terms, |
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> >> > > "Not removing package A because it is a dependency" |
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> >> > |
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> >> > William, I'm not sure if you're aware of how package managers work |
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> >> > but checking reverse dependencies of a package takes significant |
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> >> > amount of time. |
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> >> |
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> >> |
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> >> for x in $(eix -I --only-names); do time equery g $x > /dev/null; done |
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> >> |
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> >> The only single package on my system that took more than 2 seconds |
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> >> total time was gcc. The idea that that is too much time to add to |
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> >> emerge -c or -C, which in my experience already takes multiple |
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> >> seconds to run anyway is kind of silly. |
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> > |
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> > IMHO anyone complaining about time taking for dependency resolution |
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> > etc. They should spend THEIR time writing stuff in a real native |
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> > language for speed. |
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> > |
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> > The difference I see with jem[1] vs java-config, is ridiculous. |
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> > Sometimes I merge hundreds of java packages. All those milliseconds add |
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> > up. Not to mention resources, ram, CPU, and all drains your battery... |
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> > |
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> > If aspects of portage were done in C or C++, or maybe even Go. There |
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> > would be substantial performance improvements. The existing python code |
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> > can remain. Python can load and call functions from C/C++ DSO. And vice |
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> > versa, calling Python code from C/C++. I would say C vs C++ but that is |
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> > up to others. |
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> > |
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> |
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> https://wiki.gentoo.org/wiki/Q_applets |
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> |
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> What you're suggesting is actually really hard, and the root of the |
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> problems tend to be graph traversals and path searches (for |
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> dependencies) not so much miscellaneous milliseconds spent in |
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> interpreter overhead. |
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> |
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> Then again, I suppose there will be people on computers slow enough |
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> where the latter does make a difference. |
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> |
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> > Put my time where my mouth is... Well I did, its called jem. What is |
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> > jem? Its java-config ported to C. I would be looking to port more of |
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> > Gentoo's tools to C for longevity and speed. Not speed of development, |
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> > but speed for everyone else. Instead I am doing C for other projects. |
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> > |
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> > 1. https://github.com/Obsidian-StudiosInc/jem |
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> > |
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> > P.S. |
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> > jem does need a bit more work to replace java-config entirely. Its |
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> > designed to not be Gentoo specific. There is little interest from |
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> > Gentoo, much less outside. Thus its more a case study than anything |
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> > benefiting anyone including myself. I will further it as I have |
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> > interest and time permits. Still have a few more defects to address. |
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> > |
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> |
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> |
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