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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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| nine | .tell brrt I guess we could get rid of nativecallinvoke. The difference from a user's perspective is really just that nativecallinvoke expects the arguments in a list while nativeinvoke expects them in the args buffer like other invoky ops. | 05:57 | |
| yoleaux | nine: I'll pass your message to brrt. | ||
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| lizmat | . | 10:51 | |
| lizmat is trying to create a QAST::Var and make it dynamic, but is not getting much further :-( | 10:52 | ||
| jnthn | ? | ||
| "make it dynamic" doesn't make sense | |||
| Or at least, I'm not sure what you're trying to do | 10:53 | ||
| If fixing that result of declaration thing, it'd just be a lexical scoped lookup for $*FOO | |||
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| lizmat | jnthn: I'm trying to fix the DYNAMIC issue when a dynamic variable is used in a declaration with a possible initialization | 11:09 | |
| it currently enters Actions.declarator with a DYNAMIC stuff | 11:10 | ||
| my theory is that if I'm in a declarator, I should get rid of the DYNAMIC stuff and replace it with just a QAST::Var | |||
| before it gets further codegenned | 11:12 | ||
| gist.github.com/lizmat/7f82e393e3d...d50f629eae # work so far | 11:19 | ||
| Geth | MoarVM: 58e5161ebd | (Bart Wiegmans)++ | src/jit/graph.c [JIT] Fix legacy jit of strfromname |
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| MoarVM: 95d227987a | (Bart Wiegmans)++ | 3 files [JIT] Make jit-bisect.pl work in the new world order (spesh log) I still want the jit sequence number for uniquely identifying frames, but it makes no sense to have them separate from the spesh sequence number. This also fixes jit-bisect.pl to use the spesh log. |
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| brrt | \o | 11:25 | |
| yoleaux | 05:57Z <nine> brrt: I guess we could get rid of nativecallinvoke. The difference from a user's perspective is really just that nativecallinvoke expects the arguments in a list while nativeinvoke expects them in the args buffer like other invoky ops. | ||
| brrt | right | ||
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| travis-ci | MoarVM build failed. Bart Wiegmans '[JIT] Make jit-bisect.pl work in the new world order (spesh log) | 11:39 | |
| travis-ci.org/MoarVM/MoarVM/builds/442121296 github.com/MoarVM/MoarVM/compare/f...d227987a17 | |||
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| lizmat | in QAST: + - QAST::Var(lexical %*foo :decl(contvar)) | 11:57 | |
| + [value] | |||
| + - | |||
| what does the [value] and the empty line signify ? | |||
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| lizmat | it's not coming from QAST::Var's dump_extra_node_info method | 12:00 | |
| ah, I guess it comes from the "extra_children" method | 12:01 | ||
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| brrt | nine: I wonder if we can move the boxing of return values to the HLL as well | 13:47 | |
| basically, treat the return value of nativecall, if a pointer, as an opaque integer, and have nativecallbox() as an opcode | 13:48 | ||
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| Geth | MoarVM/faster-Int-str: 8f6b2ac8b0 | (Zoffix Znet)++ | src/math/bigintops.c Make big Int stringification 1.58x as fast For Ints larger than 2ā¶ā° and only in base-10. We do it by reducing the value by largest 10**n number that fits into a single mp_digit and doing so until our remaining number fits into a single mp_digit, at which point we continue ... (21 more lines) |
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| dogbert17 | brrt: are you around? | 17:12 | |
| Geth | MoarVM: zoffixznet++ created pull request #984: Make big Int stringification 1.58x as fast |
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| Geth | MoarVM/faster-Int-str: 3740cd0bb9 | (Zoffix Znet)++ | src/math/bigintops.c Clamp the value before we count its digits |
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| timotimo | wowza, libssh will let you authenticate by sending a "success" message instead of a "request" message for auth | 17:34 | |
| japhb | timotimo: link? | 17:35 | |
| timotimo | www.libssh.org/2018/10/16/libssh-0...x-release/ | 17:36 | |
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| tadzik | yeah, it look scary :o | 17:51 | |
| timotimo | who uses libssh anyway? | 17:52 | |
| tadzik | I checked my server, and not only it uses libssh2, which is apparently a different thing, but also calls it a "client-side library" | ||
| timotimo | the problem is only in the server code, and even our perl6 binding to libssh doesn't have server code bound | ||
| tadzik | so yeah, I was wondering the same thing: who does it affect in practice? Maybe it's me but I don't know | ||
| nine | brrt: what would be the advantage? | 18:05 | |
| japhb | tadzik: A friend on an RPM-based distro says curl/libcurl link to it. Of course, that's client-side. | 18:08 | |
| tadzik | japhb: nodnod, makes sense | 18:12 | |
| so if my client can bypass auth, that's a feature, right? :P | |||
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| brrt | \o | 20:33 | |
| yoleaux | 17:32Z <Zoffix> brrt: PR sent: github.com/MoarVM/MoarVM/pull/984 | ||
| brrt | dogbert17: I am now | 20:34 | |
| how can I help? | |||
| nine: each individual ops becomes simpler, and it's easier to implement JITting for | 20:35 | ||
| dogbert17 | hi brrt | 20:38 | |
| I have a GC bug which might be JIT related since I can't repro with the JIT off | 20:39 | ||
| it looks like this, gist.github.com/dogbert17/7f475e44...42da223c12 | 20:40 | ||
| timotimo | anything with gc debug? | ||
| or is that already gc debug? | |||
| dogbert17 | timotimo: gc debug is on | ||
| brrt | that does look annoying, yes | 20:41 | |
| hmm | |||
| and it's using the spesh plugin | |||
| dogbert17 | if I set MVM_JIT_DISABLE=1 it seems to vanish | ||
| brrt | can you set jit-bisect.pl on it | ||
| specifically, jit.bisect.pl --spesh | 20:42 | ||
| dogbert17 | does that work even if the fail doesn't occur every run? | ||
| brrt | nope... do you have an approximate failure rate? | 20:43 | |
| dogbert17 | 50%, that's with a small nursery | 20:44 | |
| if it is small enough it will probably break every time though | |||
| brrt | if you do, then you can write a script that will run it a number of times, up to the desired level of accuracy, until you either get a crash or don't | ||
| dogbert17 tries a jit-bisect ... | 20:46 | ||
| SPESH Broken frame: 577. | 20:48 | ||
| SPESH Acquiring log: spesh-0577.txt | |||
| what do I do now? | 20:49 | ||
| a second bisect run complains about frame 567 instead | 20:52 | ||
| brrt | hmm, that's annoying | 20:55 | |
| then it is presumably not reliable enough | |||
| (the crash) | 20:56 | ||
| dogbert17 | a third run gave 567 again | 20:57 | |
| file is 892 lines, perhaps I can gist it if you want | 20:58 | ||
| brrt | yes, please | ||
| dogbert17 | gist.github.com/dogbert17/fddecf8d...8dbd9c818f | 20:59 | |
| brrt | it does call speshresolve, so that's suspicious | 21:00 | |
| unfortunately I don't think I can help you much further now | 21:26 | ||
| dogbert17 | thanks for trying | 21:27 | |
| I wonder if there's a way to make this crash 100% reliable | |||
| brrt | dogbert17: I have a branch outstanding though that you might test with this | 22:09 | |
| it's called expr-jit-invoke | |||
| it might fix this | |||
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