egg changed the topic of #kspacademia to: https://git.io/JqLs2 | Dogs are cats. Spiders are cat interferometers. | Document well, for tomorrow you may get mauled by a ネコバス. | <UmbralRaptor> egg|nomz|egg: generally if your eyes are dewing over, that's not the weather. | <ferram4> I shall beat my problems to death with an engineer. | We can haz pdf | Logs: https://esper.irclog.whitequark.org/kspacademia
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<raptop> but can you grow an airport around enterprise software ads? https://twitter.com/whitequark/status/1396288112821682180
<whitequark> why... does that tweet not load
<whitequark> 404
<whitequark> what
<raptop> oh, you deleted/redrefated
* raptop >_>;;
<whitequark> ohhh
<whitequark> it's a new tweet
<whitequark> not an old one
<egg|anbo|egg_> !wpn whitequark
* galois gives whitequark a XSLX with a vstab attachment
* egg|anbo|egg_ pets whitequark with a cat
<raptop> It's probably fine to use an excel file as a vertical stabilizer
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<mofh> egg|anbo|egg: more fascinating stuff about pulsar rotation periods: https://arxiv.org/abs/astro-ph/0307029
<galois> title: [astro-ph/0307029] Nuclear-Powered Millisecond Pulsars and the Maximum Spin Frequency of Neutron Stars
<mofh> turns out there's an upper-bound (when the centrifugal pseudo-force & the self-gravity equal, which seems to be around 0.3 milliseconds/pulse).
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<egg|anbo|egg> !acr -add:EMIRS Emirates Mars InfraRed Spectrometer
<galois> Definition added!
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<egg|anbo|egg__> !wpn
* galois gives egg|anbo|egg__ an owl
<raptop> The owl takes your loved ones hostage, and forces you to learn a language
<raptop> (Also, EMIRS is very much in line with astronomers naming things)
<raptop> !choose radioshack|radioshark
<galois> raptop: Your options: radioshack, radioshark. My choice: radioshark
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<raptop> astronomers naming things: https://arxiv.org/abs/2105.08722
<galois> title: [2105.08722] ENCORE: Estimating Galaxy $N$-point Correlation Functions in $\mathcal{O}(N_{\rm g}^2)$ Time
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<raptop> astronomers naming things: https://arxiv.org/abs/2105.09338
<galois> title: [2105.09338] Stars with Photometrically Young Gaia Luminosities Around the Solar System (SPYGLASS) I: Mapping Young Stellar Structures and their Star Formation Histories
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<raptop> Reminder that Love is a real force, but far weaker than Black Mage would have you believe: https://arxiv.org/abs/2011.15097 https://arxiv.org/abs/2012.15226
<galois> title: [2012.15226] Isostasy with Love: II Airy compensation arising from viscoelastic relaxation
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* egg|anbo|egg purrs at whitequark
<egg|anbo|egg> gaaaaaaaaaaah my benchmarks say that andps is slower than serially-dependent mulsd-addsd-subsd in the critical path, WTF aaaaaaaaaaaaaa
<egg|anbo|egg> (meanwhile IACA says it should be 10 cycles faster, and so do the agner fog tables)
<egg|anbo|egg> whyyyyyyyyyy
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<egg|anbo|egg__> iximeow: do you happen to have any idea how latency why wat
<iximeow> uhhh
<iximeow> oh that seems.. odd
<iximeow> i would also expect it to be ~10 cycles faster. it's also slightly easier to schedule (uops.info says it can go on port 5, while mulsd/addsd/subsd are ports 0 or 1)
<iximeow> egg|anbo|egg__: reg-reg operands? or reg-mem?
<iximeow> (or, reg-reg with an operand recently loaded from memory?)
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<egg|anbo|egg> whitequark: https://esper.irclog.whitequark.org/ appears to be down
<egg> iximeow: there is one constant in both cases, either memory operand or loaded beforehand then reg-reg
<egg> when I poke the compiler into preloading it for the and it makes things... slower
<egg> (memory = L1 almost certainly, benchmarking the function in a loop, feeding its result into its input for total latency)
<egg> (Sandy Bridge fwiw)
<iximeow> huh.
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