raptop changed the topic of #principia to: READ THE FAQ: http://goo.gl/gMZF9H; The current version is Fréchet. We currently target 1.5.1, 1.6.1, and 1.7.x. <scott_manley> anyone that doubts the wisdom of retrograde bop needs to get the hell out | https://xkcd.com/323/ | <egg> calculating the influence of lamont on Pluto is a bit silly… | <egg> also 4e16 m * 2^-52 is uncomfortably large
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<discord->
oksbad. — How badly does principa effect performance? Do you have to prune active vessels?
<discord->
oksbad. — I played RSS/RP-0 before, but I don't think principa was a thing back then.
<discord->
oksbad. — On the fence about installing it.
<discord->
Agathorn. — depending on your computer and how you use it, it can vary by a lot
<discord->
Agathorn. — egg has said before he recommends one core per active vessel
<discord->
Agathorn. — egg has said before he recommends one (logical) core per active vessel (edited)
<discord->
oksbad. — Oof. So no leaving satellites from previous missions in orbit, eh?
<discord->
oksbad. — Maybe I'll make two installs for KSP and use principa for sandbox mode.
<discord->
DRVeyl. — You can keep satellites around. How aggressively you need to prune vessels depends on, well, CPU.
<discord->
egg. — @Agathorn no I don’t recommend that, that would quickly require a lot of cores. One core per vessel is the most we can use, so if you have that we are going as fast as we can given the frequency of said cores.
<discord->
egg. — And below that, more cores is better (but this is the limiting factor only when you are timewarping fast)
<discord->
Agathorn. — > then it remains the same as long as the number of vessels remains below the numbers of processors, then it slows again
<discord->
Agathorn. — @egg Guess I misread that then
<discord->
egg. — That statement is not a recommendation, merely a description of behaviour
<discord->
egg. — I don’t recommend having no vessels either, even though that’s a massive speedup from having any nonzero number of vessels :-p
<discord->
Agathorn. — 🙂
<discord->
egg. — @oksbad I would recommend trying it out and seeing how it pans out
<discord->
egg. — it can be slow when timewarping very fast, other than that it’s a question of not asking it to compute more than you need (with respect to trajectory predictions etc.)
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