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| samcv | what is the best way to learn how to contribute or at least understand MoarVM's JIT code? | 01:17 | |
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| ugexe | so libuv 1.16.0 seems to not build on any windows configuration ive tried | 03:41 | |
| i sent a PR to fix the problem, so getppid will have to wait until that lands | |||
| second libuv bug ive found through moarvm :P | 03:42 | ||
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| samcv | nice! | 05:47 | |
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| brrt | good * #moarvm | 09:05 | |
| lizmat_ | good *, brrt | 09:23 | |
| lizmat | brrt: "[02:17:54] <samcv>what is the best way to learn how to contribute or at least understand MoarVM's JIT code?" | ||
| lizmat would also like some guidance there :-) | 09:24 | ||
| brrt | oh, wow, ehm, hmmm | 09:25 | |
| there's some documentation.... | |||
| what part would you like to know about? | |||
| anyway, i have to get back to you at some later point | 09:27 | ||
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| lizmat | brrt: that's ok, I have to be afk in a bit as well :-) | 09:35 | |
| and then later for the rest of the day | |||
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| jnthn | Given the JIT takes a spesh graph as input, and a lot of the opts are performed by that stage, learning about spesh is also a worthwhile endeavor for those looking to work on performance things. I suggest going through my recent 4-part blog series side by side with the code. :) | 10:23 | |
| nwc10 | "recent"? You appear to be IRCing from the future | 10:35 | |
| or is "next week" the new "this week" ? | |||
| jnthn | haha | 10:42 | |
| D'oh, I finished drafting part 4 last night, then left proof-reading/posting until this evening. :) | |||
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| brrt | what jnthn said is also very, very true | 12:44 | |
| interestingly, the JIT (and especially the expression JIT) takes a very different approach to its internal operations than does spesh | 12:45 | ||
| this is more interesting to C hackers than to anyone else, but whatever | |||
| arguably though, i'd say that spesh is more advanced, in a way, but also more difficult to use | 12:53 | ||
| … for me anyway | 12:54 | ||
| (and with use, i mean 'to hack on') | |||
| nine | I think spesh hacking requires fuller and often detailed knowledge about how the different parts of moarvm fit together and work. | 13:11 | |
| jnthn | Wow, they've started digging a trench right outside of my office door. | 13:12 | |
| nine | .oO(What do you mean by "leaving the office"?) |
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| jnthn | They've been digging all the way along the street, right next to the buildings. I didn't yet figure out what they're doing. | 13:13 | |
| nwc10 | beer pipeline? | ||
| ilmari | for lunch?: | ||
| jnthn | My fantasy is "laying optical fibers for super-fast internet" | ||
| Well, or what nwc10 said works very nicely also :P | 13:14 | ||
| brrt | nine: i agree, yes | ||
| nine | I'm sure the trench can accomodate both | ||
| brrt | .oO( ip-over-beer ) |
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| jnthn | I semi-agree, but the JIT has to also be involved in deopt and inlines :) | ||
| brrt | true | ||
| nine | Yet I've been able to to quite a few things with and to the JIT without ever worrying about those :) | 13:15 | |
| brrt | anyway, i want to start hacking on having the stack walker instead of writing 'here am i' labels at every turn | ||
| and the thing i'm dreading most is to hack our build system to support it | |||
| because i'm fairly sure the stack walker assembly i've cooked up works | 13:16 | ||
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| jnthn | Finally, finished and proof read: 6guts.wordpress.com/2017/11/09/moa...nt-guards/ | 21:28 | |
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| moritz | jnthn++ | 21:46 | |
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| MasterDuke | jnthn: "space the both spesh and", i think the "the" should be "that"? | 22:37 | |
| and great series of articles | 22:45 | ||
| japhb | jnthn: "Provided once is found" | 23:13 | |
| jnthn | MasterDuke, japhb: Thanks, fixed those :) | 23:17 | |
| japhb | Good post, too. | 23:21 | |
| jnthn | :) | ||