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Set by lizmat on 6 September 2022.
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disbot4 <ng0177> ollama-rocm and ollama-cuda work well with both types of graphics cards on several Linux types. However, llamafile does not work with AMD GPU for me on several Linux. Ollama also has great support e.g. via "continue" plugin to vscode. My proposal (just) ist to upgrade its priority for implementation. 🙂 07:03
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melezhik . 08:17
I have create yet another Sparrow introduction target for operations and devops only using Bash as a main automation language - news.ycombinator.com/item?id=44754210 - pleas vote it if you like, thanks 08:18
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melezhik please support my post on reddit as well if you like it - www.reddit.com/r/devops/comments/1...r_ansible/ , I decided to share it on r/devops as well 08:52
thanks
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wayland76 Hi! Where do I find information about the infrastructure team? (finanalyst mentioned it). github.com/rba/docker-raku-infra is the closest I've been able to find (along with various calls for volunteers), and a few passing references by people. Is there a channel/mailing list I need to join? Or a git repo or something? 10:21
I'm keen to avoid putting my hand up for Infra, but my day job is DevOps, and I think I could contribute towards getting the infra a bit more automated. 10:22
lizmat wayland76: you might want to introduce yourself on the #raku-infra channel 10:25
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wayland76 Thanks! 10:38
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Geth raku.org/proto-25: e2a0f5f4e0 | librasteve++ | 9 files
Tims Changes
 13:49
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Geth raku.org/proto-25: 99015005ee | librasteve++ (committed using GitHub Web editor) | README.md
drop Install

the install step is not needed to run locally		 14:11
raku.org/proto-25: b3dd0a8f64 | librasteve++ | service.raku
set host/port from ENV
 14:18
ugexe librasteve_: i wonder if it should do `zef install . --deps-only` still. Like it seems like there is a dependency on Air::Plugin::Hilite 14:19
librasteve_ yeah … Air, Air::Plugin::Hilite, cro, Cromponent 14:27
to mention a few that come to mind
and all the deps they bring in 14:28
ugexe there are already steps before that to install Air and cro, but not Air::Plugin::Hilite 14:29
Geth raku.org/proto-25: 3ead456654 | librasteve++ | README.md
add zef install . --deps-only #e.g. Air::Plugin::Hilite
 14:35
disbot4 <librasteve> good catch - I think --deps-only is better that explicitly adding zef install Air;:Plugin::Hilite since more plugins may come later 14:36
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lizmat PSA: irclogs.raku.org is temporarily down 16:08
Note: logging is still functional 16:12
jdv what happened to five nines?
lizmat a USB hub that suddenly died and a hard reboot and sudden compilation errors :-( 16:14
jdv a likely story. i want my money back! 16:15
lizmat IRC logs server is up again 16:26
irclogs.raku.org/raku/live.html
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[Coke] \o/ 16:56
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disbot4 <librasteve> only five nines? 17:10
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cpli why do these lines of IO::Handle use nqp? github.com/rakudo/rakudo/blob/main...d#L78-L127 18:24
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[Coke] in general, core uses nqp historically for performance reasons, I think. 18:46
But I think there was only an ad hoc effort (not systemic) to go back and rewrite in raku. Some things have been. 18:47
I imagine it might be revisited again after Raku AST is the default.
(and there's more optimization on ast) 18:48
Voldenet Wouldn't nqp::if always be as fast or marginally faster than plain `if`, since it directly generates opcode? 18:59
Or is it possible for it to even be slower now? 19:00
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lizmat those are all good points: I suggest someone rewrites that part in Raku and benchmarks 19:09
IO::Handle is notoriously convoluted 19:10
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timo i think `?? !!` translates relatively directly to nqp::if, but with a real if you have a real block that the optimizer has to directly inline if it doesn't have any actual need to be a true scope 21:01
if it results in the same bytecode after the optimizer, it'd be the same speed, but of course there's the time spent in the optimizer analyzing the "if" in question 21:02
ugexe if nqp::if is only "as fast" as using raku, then it is not a good use of nqp 21:04
timo with an nqp::if there isn't the chance of it turning into the "slow variant" when you don't look closely 21:15
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Voldenet So I picked the nqp::if with $mode, just to see if there's going to be any difference on code that doesn't do actual IO 0x0.st/87uD.raku 22:03
> raku mode_nqp.raku ran 1.01 ± 0.04 times faster than raku mode.raku 22:04
I just noticed there's also Str comparison, so nqp version was 1.06 ± 0.06 times faster than this: 0x0.st/87un.raku 22:08
but keep in mind that I've used hyperfine to test cold run
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Voldenet with 100_000 iterations running that sub, nqp version is 1.13 ± 0.02 times faster 22:18
timo it would be interesting to see what the spesh log has about that sub, and if it gets inlined into the caller in any cases 22:20
Voldenet the more iterations I run, the more obvious is that startup time difference helps non-nqp version a lot 22:23
timo ideally, spesh could dead-code-eliminate the majority of that sub 22:27
well, not if the sub is only called a single time of course. if it's run in a loop, however, it should be possible 22:29
Voldenet without going too deep into details, `for ^1_000_000 { $n = x(:update, :exclusive) }`: i.imgur.com/yG51xx5.png 22:30
(nqp on the left)
it seems that nqp version simply doesn't allocate as much
non-nqp version allocates 1000000 `Code` objects 22:31
timo Code objects are allocated by `takeclosure` i think, we call the "clone" method there 22:36
you can see the right side has 2x as many frames entered
so less inlining of blocks happened
by the static optimizer i assume 22:37
Voldenet I'm suspecting that `$mode = do if …` could be slow 22:39
so, another rewrite, nothing fancy: 0x0.st/87SP.raku 22:40
>raku mode_nqp.raku ran 1.01 ± 0.01 times faster than raku mode.raku
that looks more promising 22:41
yeah, it does almost no additional allocations except some related to compiling the code 22:46
BOOTHash etc.
otoh the "simple" code is enormously ugly, I can't really say it's better in any way 22:51
except maybe ditching some lispness 22:52
ugexe it has more potential to be optimized 23:01
higher bus factor is also another bonus 23:02
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