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| hoelzro | good moarning #moarvm | 13:12 | |
| nwc10 | good *, hoelzro | ||
| timotimo | heyo you two | 13:14 | |
| hoelzro | o/ nwc10 & timotimo! | 13:15 | |
| it turns out there's a bug in rakudo-m where if you create a Thread, it will never clean up the underlying ThreadContext. I tried to add MVM_tc_destroy(thread->body.tc) to MVM_thread_join, but that results in segfaults and other fun. Is there some other cleanup I need to be doing? | 13:17 | ||
| timotimo | doesn't the interpreter have a list of all threads? | 13:20 | |
| i think that's necessary for the gc to work properly | |||
| hm. i should get an overview of the things i've been doing (or rather trying to do) during spw | 13:23 | ||
| i tried to move forward with the lexical-to-local lowering and got baffled by things once more | 13:24 | ||
| i've made perl6-bench glr-compatible | |||
| what else? :\ | |||
| hoelzro | timotimo: does that thread still need a TC after the thread has been joined? | ||
| and should the thread be removed from that instance thread listing? | 13:25 | ||
| timotimo | probably needs to be kept, as the thread contexts all have their own nursery and gen2 | ||
| hoelzro | re: what you've been up to, I just remember the lexical -> local stuff | ||
| ahhhh | |||
| that's probably why it's mad | |||
| timotimo | maybe we want to have newly created threads claim previous TCs | ||
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| brrt | good * | 13:33 | |
| timotimo | brrt * good | 13:34 | |
| brrt | hi timotimo | ||
| hoelzro | o/ brrt | 13:37 | |
| brrt | \o hoelzro | ||
| are you at yapc::eu? | |||
| hoelzro | timotimo: A joined thread can no longer allocate memory in its pool, right? | 13:38 | |
| brrt: I am not ( | |||
| =( | |||
| brrt | shame | ||
| it's really nice up here | |||
| granada is awesome | |||
| perl community is really alive this year | |||
| nwc10 | Klima! | ||
| [Coke] | I'mma let you finish, but SPW2015 was clearly the best european workshop of all time. | ||
| nwc10 | however, the big blue room is a bit warmer than the venue | ||
| brrt | i was clearly not at SPW2015 | 13:39 | |
| timotimo | [Coke]: because of the kitties, right? | ||
| brrt | nwc10: where are you now? we haven't talked all conference, and i'm leaving tomorrow morning | ||
| [Coke] wishes he could have gone to all 3 conferences in a row. Ah well. | |||
| nwc10 | brrt: second row in miyagawa's talk | ||
| [Coke] | timotimo: Loved that cat, man. | ||
| brrt | it was hard enough justifying one conference :-) | ||
| nwc10 | I'll try to find you at coffee | ||
| brrt | that's F1 right | ||
| aye | |||
| [Coke] | brrt: exactly. :) | ||
| timotimo | brrt: may i ask you about the slides again? | 13:40 | |
| brrt | yes. if you have somewhere for me to put them, i will be happy to upload them | ||
| timotimo | you have a google account, don't you? | ||
| we can use something like reep.io/ as well | 13:41 | ||
| rtccopy.com/ or this | 13:42 | ||
| rtccopy.com/#g6ZrBarS | |||
| brrt | timotimo: github.com/bdw/slides/blob/master/...-09-02.pdf | 13:43 | |
| timotimo | wow, github can display pdfs in-line | 13:44 | |
| brrt | nice | ||
| timotimo | brrt: you're probably busy attending things rather than hacking on the jit, right? | 13:52 | |
| brrt | i'm actually working on the freeing-to-many-registers problem now | 13:53 | |
| (sorry tux, if you're reading it) | |||
| timotimo | cool :) | 13:54 | |
| brrt | we're trying to free rbx | 13:56 | |
| .... | |||
| wth | |||
| dalek | arVM/even-moar-jit: 2bfd5dd | brrt++ | src/ (6 files): Introduce 'immortally' created values From the perspective of the register allocator, values residing in nonvolatile registers are 'immortal'. These registers should not be freed over overwritten. This does not fix all the bugs, but some of them. Also implement the handlers for pre-and-post branch logic, but we do not yet call them. |
14:04 | |
| arVM: 15eadcd | paultcochrane++ | src/spesh/candidate.c: Revert func_ptr free from commit 688eecd Unfortunately freeing the func_ptr wasn't the correct thing to do; the change actually caused a bad free of a variable. Sorry about that! This reverts the commit and thus removes a potentially bad free operation. |
14:10 | ||
| arVM: ac6ea4e | lizmat++ | src/spesh/candidate.c: Merge pull request #253 from paultcochrane/pr/revert-free-func_ptr Revert func_ptr free from commit 688eecd |
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| dalek | arVM/even-moar-jit: baa5b8a | brrt++ | src/jit/register.c: Always take register when putting a value there After all, the register is now in use by a live value |
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| brrt | battery is empty, that's all folks! | 15:48 | |
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| hoelzro | it seems that MVM_thread_cleanup_threads_list is never called to clean things up; when *should* it be called? | 16:55 | |
| jnthn | You generally can't clean up threads until 2 GC runs later. | 17:07 | |
| 'cus that's how long it takes for their nursery to be redundant. | |||
| There is logic in orchestrate.c that arranges merging of gen2 into a live thread. | 17:08 | ||
| That's about the point when a ThreadContext can go away | |||
| [Coke] | jnthn: hio! | 17:09 | |
| jnthn | o/ | ||
| timotimo | cool, i didn't know about that | 17:11 | |
| so on brrt's latest commit i can get a little ways into the first file in the nqp build | |||
| jnthn | brrt++ # talk | ||
| timotimo | but after it enters a jitted frame, it segfaults, and the stack gets a bit trashed apparently | ||
| jnthn read the slides | |||
| timotimo | i imagine from the slides there was quite a bit more in the audio track than in the video track | ||
| jnthn is sad to not have been able to do his MoarVM talk at YAPC::EU this year | 17:12 | ||
| But, health first... | |||
| lizmat | jnthn++ # good plan | ||
| jnthn | I'll be gradually inserting myself back into hacking over the coming days, as energy levels allow (so, probably just a little bit at first) | 17:13 | |
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| timotimo | yes, health very first, indeed | 17:21 | |
| jnthn | Aye | 17:25 | |
| Though I suspect my first task ("screw it just merge glr already") will be an easy one. :) | 17:26 | ||
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| [Coke] | jnthn: yes, please do that. :) | 17:41 | |
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| FROGGS | o/ | 17:45 | |
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| hoelzro | jnthn: thanks for weighing in! so I have to wait for a thread's state to be MVM_thread_stage_destroyed for a run before I can clean it up? | 18:18 | |
| ex. GC 1: state = destroyed; GC 2: nothing; GC 3: can clean up thread ? | |||
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| jnthn | hoelzro: I think by destroyed it can go | 18:34 | |
| hoelzro: There's a clearing_nursery before that iirc | 18:35 | ||
| There's an enum of all these states somewhere :) | |||
| hoelzro | =) | ||
| jnthn: I tried putting a MVM_tc_destroy here: github.com/MoarVM/MoarVM/blob/mast...ate.c#L88, but that also segfaulted | 18:36 | ||
| I must be missing something else | |||
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| hoelzro | also, that "will be cleaned up (removed from the lists) shortly" - any idea where that happens? | 18:38 | |
| jnthn | orchestrate.c iirc | 18:39 | |
| hoelzro .oO( iir.c ) | 18:40 | ||
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| jnthn | .oO( ir.c ) |
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| brrt | good evening or any other day time | 19:48 | |
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| _itz_ | brrt: excellent talk on jit and I would be interested in any links you have for eco issues | 20:16 | |
| jnthn++ # much hard work and rest deserved | 20:17 | ||
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| brrt | thank you _itz_ | 20:35 | |
| were you at yapc::eu or are you talking about the slides? | |||
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| nwc10 | good UGT, brrt | 21:04 | |
| _itz_ | brrt: I am at YAPC and saw the talk | 21:55 | |
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| brrt | oh cool | 22:01 | |
| did i meet you afterwards | |||
| goot UGT nwc10 | |||
| did you stay long still? | |||
| (irc connection has been spotty in hotels, to say the least) | |||
| _itz_ | no we didn't meet .. may try and talk tomorrow | 22:03 | |
| brrt | only early in the morning, because i'm leaving just after the first talk | 22:07 | |
| shame. i'll very very very likely will be going to nine's talk | |||
| ok, my current theory is... what | 22:09 | ||
| my code is weird, and bad | 22:10 | ||
| and i feel bad | |||
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