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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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| brrt | \o | 06:30 | |
| nwc10 | o/ | 06:31 | |
| brrt wants to refactor the expresion compiler but is unsure just how far to go | 06:34 | ||
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| nine | .tell brrt what's the goal of the refactor? | 07:07 | |
| yoleaux | nine: I'll pass your message to brrt. | ||
| jnthn | o/ | 08:45 | |
| timotimo | o/ | 08:46 | |
| nwc10 | that's getting unbalanced... | 08:56 | |
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| AlexDaniel | samcv: ETA? I kinda want to get it off my shoulders | 09:58 | |
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| dogbert2 | \o (trying to balance things up) | 10:19 | |
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| brrt | nine: the main thing is that I want to introduce a new sigil for write-operands | 15:07 | |
| yoleaux | 07:07Z <nine> brrt: what's the goal of the refactor? | ||
| timotimo | is this to do with exclamation mark templates or something else? | ||
| brrt | yeah, something like that | ||
| timotimo | since what expr nodes write isn't really named, right? | ||
| brrt | I want it to be obvious that the $0 in a write-operand template is not a value but a reference | 15:08 | |
| correct | |||
| timotimo | oh, like that you mean | ||
| brrt | that is the overarching goal | ||
| timotimo | so we'd have like >0 | ||
| brrt | yeah | ||
| I was actually thinking of \$0 | |||
| timotimo | we don't have ops that have more than one write register operand, right? | ||
| brrt | but whatevs :-) | ||
| not yet (maybe never) | 15:09 | ||
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| brrt | so. I can hack that in, and it'll work.... | 15:10 | |
| but I'm annoyed by the current level of complexity | |||
| timotimo | you can just make a \ in front a no-op, and also warn if it's not $0 that follows it :P | 15:11 | |
| brrt | that won't work, the \$0 is parsed as a single token | ||
| and more importantly, I want to capture instance of that missing | |||
| timotimo | ah | 15:12 | |
| that means the guard ops would become exclamation mark templates, too | |||
| since they don't necessarily write | |||
| brrt | no, no | ||
| a template that doesn't yield any value doens't need an exclamation mark | 15:13 | ||
| it is only templates that *overwrite* the register that is used as their output that need exclamation marks | |||
| timotimo | well, guard ops now sometimes write to a different register than they read from | ||
| brrt | ah, really? | ||
| guard ops write? | 15:14 | ||
| hmmm | |||
| timotimo | yep, if the register differs | ||
| part of the set elimination optimization i think? | |||
| brrt | example? | ||
| oh | |||
| timotimo | [Annotation: INS Deopt One (idx 9 -> pc 464; line 2706)] | ||
| sp_guard r18(1), r6(9), sslot(1), litui32(464) | |||
| jnthn | Guard ops at the point they are inserted will always be two verions of hte same register, but yes, a future set elimination opt might rewrite the instruction | 15:15 | |
| And the reason guards do this now is so we have before/after, which lets us do guard elimination | |||
| brrt | i see | 15:16 | |
| that makes a bunch of sense | |||
| jnthn | It's also important that the write does not take place if the guard isn't met :) | 15:18 | |
| (Yes, I did that mistake. Yes, it was fun to debug. :P) | |||
| MasterDuke | btw, while people are active. did it make sense in github.com/MoarVM/MoarVM/pull/949 to merge my branch into post-release-opts? or should i have just done master? | ||
| timotimo | post-release-opts is safe in any case | ||
| jnthn | It's safe, though its merge schedule is unknown | 15:21 | |
| MasterDuke | well, no hurry for my PR | 15:23 | |
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| timotimo has been writing a blog post about optimizing the performance of a given piece of code, based on the FASTA parsing task off stackoverflow | 16:56 | ||
| but now i'm AFK for a while | |||
| i'd say it's about 1/3rd done, at 822 words so far | |||
| samcv | AlexDaniel: hopefully soon. i finally have actual time. was a family thing for a few days and had no time, but now i do | 17:01 | |
| AlexDaniel | cool | ||
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| Geth | MoarVM: bdf961d5fc | (Samantha McVey)++ | tools/update-changelog.p6 Add many more features to update-changelog.p6 Allow viewing all changes done so far, allow changing view options. Add a few tests and fix a bug in auto categorizing some commits based on directory name. Use rlwrap if it exists to allow easily editing commit subject's with preentered text of what it was previously. |
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| MoarVM: 0b34ce5e23 | (Samantha McVey)++ | tools/update-changelog.p6 Add goto specific commit and print uncomplete entries to update-changelog |
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| samcv | i have 14 options but i still don't have enough | 18:49 | |
| MODIFY (e)dit/(d)rop/(c)ategory/d(o)ne/(T)itlecase; PRINT (b)ody/d(i)ff/num-(l)eft/(C)omplete/(U)uncomplete; GOTO (n)ext/(G)oto commit ID; (Q)uit and save or (s)ave: | |||
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| travis-ci | MoarVM build failed. Samantha McVey 'Add goto specific commit and print uncomplete entries to update-changelog' | 19:08 | |
| travis-ci.org/MoarVM/MoarVM/builds/421708094 github.com/MoarVM/MoarVM/compare/5...34ce5e23e7 | |||
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| samcv | ok at 176 more changelog entries. time for a short break | 20:57 | |
| this tool is making it much faster to go through the changelog :) and i can merge one commit's subject into another one. though that needs a bit more refinement. and i probably will also add ability to tag items that i need to ask people about | 20:58 | ||
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| japhb | samcv++ # Making tools to make the job easier | 23:04 | |