egg changed the topic of #principia to: Logs: https://esper.irclog.whitequark.org/principia | <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…
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<queqiao-> ⟨raptop | ²³⁹Pu powered⟩ Oh, right. I never posted that cat from when I was visiting family
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<queqiao-> ⟨alforath⟩ Is there a tool that would enable me to use Principia to plot low-energy ballistic capture trajectories through Langrange point gateways?
<queqiao-> Or I have to subscribe to Orbital Dynamics version of Arxiv and calculate those myself?
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<queqiao-> ⟨Δv1㎧⟩ Looks very sleek!
<queqiao-> ⟨test_account9540⟩ Trying the optimization feature. Does it always vary all the components? no way to make the maneuver prograde only without any normal or binormal dV?
<queqiao-> ⟨test_account9540⟩ Also, it seems to always choose "Inertially fixed" which can waste some dV for longer burns.
<queqiao-> ⟨sichelgaita⟩ The Lagrange plotting frame might help, see its description in https://github.com/mockingbirdnest/Principia/wiki/Concepts#plotting-frame.
<queqiao-> ⟨alforath⟩ Thanks
<queqiao-> ⟨sichelgaita⟩ No way to tweak the components. It takes full control of the burn. Regarding "inertially fixed" I think it obeys what you selected in the UI. If it doesn't, it's a bug.
<_whitenotifier-ee4> [Principia] pleroy opened pull request #3805: More microoptimizations - https://github.com/mockingbirdnest/Principia/pull/3805
<queqiao-> ⟨siimav⟩ > Principia is using about 25% of the time of a frame, so any further optimization is going to be essentially invisible.Which by itself is still alot.
<queqiao-> ⟨siimav⟩ * a lot.
<queqiao-> ⟨sichelgaita⟩ Well, we do stuff (these 25% include the C++ side). My point is that the low-hanging fruits have been picked already, and whatever remains is probably small gains and a lot of work.
<queqiao-> ⟨butcher6994⟩ How much do extra cores help?