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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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| regreg | hello | 14:59 | |
| does moarvm have some intrinsic performance limitations? | |||
| based on ISA limitations | 15:00 | ||
| does moarvm have autoinlining? | 15:15 | ||
| sena_kun | regreg, I think a lot of core devs are busy with GPW, so you might need to wait a bit to get answers. | 15:17 | |
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| regreg | what is GPW? | 15:24 | |
| leont | German Perl Workshop | 15:25 | |
| regreg | ah | ||
| leont | It's from yesterday until tomorrow | ||
| Guest1277 | Are any videos from GPW available yet? | ||
| regreg | cool | 15:26 | |
| i'm trying to implement a CAS | |||
| i guess raku is a good choice right? | |||
| never coded in raku before | |||
| leont | Content addressed store? | 15:27 | |
| regreg | no, Computer Algebra System | ||
| i'm somewhat familiar with LISP and CLOS | 15:28 | ||
| leont | That makes more sense | ||
| timotimo | regreg: moarvm does inlining as well as on-stack-replacement for hot loops, it also jit-compiles code to x86_64 assembly instructions during runtime | 15:49 | |
| anything moar can't do for you you can probably do with NativeCall and something written in C/fortran/pascal/rust/nim/whatever | 15:50 | ||
| regreg: all that said, i'm not sure what you're refering to with the intrinsic performance limitations; like some overheads you can't get rid of for example? | 16:00 | ||
| regreg | timotimo, right inherent overhead | 16:01 | |
| like not being able to allocate on stack | |||
| timotimo | allocating on stack is a thing moarvm is learning to do at the moment; we're approaching it from the angle of "partial escape analysis" + "scalar replacement" | 16:03 | |
| i.e. objects can be stack-allocated even if they sometimes escape, and an object that is treated this way turns into a bunch of simple local variables in the mean time | |||
| you can't go wrong with watching a few of jnthn's talks, or reading his slides; you can find the slides on jnthn.net/slides.html - you'll want to scroll down to the "archive" | 16:04 | ||
| the "perl 6 performance update" from the perlcon 2019 might be especially interesting | |||
| regreg | thanks for the links | ||
| timotimo | YW | 16:05 | |
| regreg | there is a difference between implementation details | 16:06 | |
| and inherent limitations that are probably never going to be fixed | |||
| i'm more interested in the second category | 16:07 | ||
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| timotimo | we don't have tail-call optimization, and i think we've decided against getting that at some point? | 16:26 | |
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| regreg | i'm ok with that, i'm not a big fan of recursivity anyway | 17:05 | |
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| MasterDuke | nice. github.com/libtom/libtommath/pull/478 was just merged, so next time we update libtommath we'll get a more correct expmod | 21:50 | |
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