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github.com/moarvm/moarvm | IRC logs at colabti.org/irclogger/irclogger_logs/moarvm Set by AlexDaniel on 12 June 2018. |
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| timotimo | pamplemousse: github.com/timo/moarperf/blob/mast...o_stuff.sh is rakudo + application | 00:19 | |
| github.com/timo/rakudo-appimage - this is rakudo only | |||
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| nwc10 | good *, #moarvm | 05:17 | |
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| MasterDuke | oh, if zoffix++ is back maybe he can help me adjust MVM_bigint_div_num for gmp, he did the last big changes to it | 07:37 | |
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| brrt | \o | 07:59 | |
| nwc10 | o/ | ||
| brrt | .tell pamplemousse no jit news today | ||
| tellable6 | brrt, I'll pass your message to pamplemousse | ||
| brrt | sadly | ||
| MasterDuke | but if you get an arm laptop...jit on arm in the future? | 08:00 | |
| nwc10 | I guess that it depends how fun it is | 08:01 | |
| I suspect that there are more ARM chips in this room than anything else, but I don't seem to think that writing a JIT is fun | 08:02 | ||
| actually, I'll be more confident onthis - there are almost certainly more 64 bit ARM chips int his room than 64 bit anything else, as the printer won't have a 64 bit CPU | 08:03 | ||
| although I have no idea whether the SSD control is actually something ARM, so ARM might still win | |||
| brrt | hmm, I think I'm personally still surrounded by arm32 | ||
| and getting an arm64 (apple arm) laptop is rather a big 'if' :-) | 08:04 | ||
| nwc10 | 8Gb Pis are still cheaper | ||
| but "only" 8Gb | |||
| There was a lovely statement (but maybe a bit too much context needed for SLS): If SpaceX gets Starship to orbit prior to SLS launching, well.. let's just say I am starting to think "Elon Time" is not so much a joke as it is a temporal distortion field. Everything is behind schedule until suddenly it isn't and we're all staring slack-jawed at how quickly they're moving. | 08:05 | ||
| I'm wondering if ARM in datacenters will be something like this | |||
| brrt | that actually makes sense | 08:06 | |
| engineering is mostly removing faults | |||
| you start with a general idea, you find 100 faults | |||
| you can sort of parallelize, but if you set 1000 people on it, you'll only get the first 5 fixes slightly faster | 08:07 | ||
| then the next 5 fixes. and then the next, and then the next | |||
| nwc10 | I wonder if there will be a ("shock") tipping point, where it turns out that there are more AWS instances running on ARM than x86, because it's cheaper | ||
| some point in the next few years | |||
| brrt | we might see that | ||
| nwc10 | or Google announce something similar about their own datacentres | 08:08 | |
| or Facebook | |||
| brrt | at the start, only a select few will believe that something might ever work (with 100 failures); at 50 failures, more people will believe it, and more people will work on it; | ||
| probably at 5 or 10 remaining faults it is shipped | 08:09 | ||
| nwc10 | heck, actually Apple. We *know* that Apple have seriously fast ARM CPUs | ||
| and Apple are the most secretive | |||
| brrt | Hmmm. | ||
| There's two opposing dynamics though | |||
| nwc10 | "a lot of existing machines" ? | 08:10 | |
| MasterDuke | do MS's new surface devices run on arm? | ||
| brrt | On one hand, apple fans will probably swiftly adopt the new platform | ||
| nwc10 | not everything ports nicely | ||
| brrt | yes, but there are also a lot of existing nokia's still | ||
| so that's not the point. | |||
| the point is that apple consumers tend to hold fast to the low depreciation rates of apple computers | |||
| i.e. everybody who's bought an apple thinks they can sell it for 60% of new value a few years down the road | 08:11 | ||
| and I'm not sure whether that works together well. | 08:12 | ||
| nwc10 | brrt: I was really meaning servers in datacentres. Not consumer devices | ||
| brrt | no, datacentres I agree | 08:14 | |
| probably because for datacentres opex is on a similar scale to capex, and for consumer devices that's not true | |||
| on the other hand, 'will apple consumers take a financial hit in order to get the newest gadget' - I think the answer to that is evident :-D | 08:19 | ||
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| lizmat | anybody has a problem with thundergnat's bump of Unicode ? | 10:40 | |
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| thundergnat | lizmat: I would feel better if samcv had a chance to look it over to make sure I didn't do something completely boneheaded. It compiles, Rakudu built on top complies, passes sanity and spec tests, but I really don't know if it is 100% correct. | 12:08 | |
| lizmat | understood... | ||
| thundergnat | It is almost certainly going to need a closer look at the grapheme break rules. | 12:09 | |
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| pamplemousse | o/ | 12:12 | |
| tellable6 | 2020-10-02T07:59:49Z #moarvm <brrt> pamplemousse no jit news today | ||
| brrt | \o | ||
| I have an oldish JIT devirt branch that I could resurrect somewhat safely | 12:13 | ||
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| pamplemousse | Somewhat safely? | 12:27 | |
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| MasterDuke | ugh. thought i had a fix for MVM_mp_get_double_shift, but it doesn't work for everything. one version has 13 fails in t/spec/S32-num/rat.t, the other has 2 | 14:57 | |
| and differing number of fails in t/spec/S02-types/num.rakudo.moar | 14:59 | ||
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| MasterDuke | github.com/MoarVM/MoarVM/compare/m...234758e807 if anyone feels like looking at what i have now | 15:27 | |
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| MasterDuke | or maybe i switch back to using gmp floats like i first tried, but with massively increased precision... | 18:47 | |
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| timotimo | MasterDuke: do you have outputs of the numbers involved? like all the limbs and the resulting double at every step? | 18:54 | |
| MasterDuke | mostly. not in a very organized way | 18:59 | |
| fyi, requesting 633 bits of precision for the gmp floats didn't improve anything | 19:00 | ||
| timotimo | improve in what way? | ||
| MasterDuke | still fails, i think the doubles generated with the gmp floats was the same as when i just used their default precision | ||
| timotimo | wanna independently verify the results with per-hand math? :\ | 19:03 | |
| MasterDuke | not really | ||
| timotimo | yeah | ||
| MasterDuke | these are large numbers | 19:04 | |
| timotimo | maybe with like wolfram alpha or maxima | 19:05 | |
| neil cicierega's newest album is already incredible, having only listened to three tracks of it | 19:07 | ||
| MasterDuke | gist.github.com/MasterDuke17/b2258...273017ca3d ther's an example | 19:12 | |
| gist updated | 19:20 | ||
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| timotimo | m: say 1152921504606846976.base(16) | 20:36 | |
| camelia | 1000000000000000 | ||
| MasterDuke | gist updated | 20:39 | |
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| moon-child | got this from a long-running raku process 'MoarVM panic: Internal error: invalid thread ID 25 in GC work pass' | 21:45 | |
| can't repro reliably, though, and no corefile. Any setup I can do to get a useful dump if it happens again? | |||
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