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Welcome to the main channel on the development of MoarVM, a virtual machine for NQP and Rakudo (moarvm.org). This channel is being logged for historical purposes. Set by lizmat on 24 May 2021. |
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| dogbert17 | MaterDuke++, nice work yesterday | 14:20 | |
| that should ofc be MasterDuke++ | 14:21 | ||
| there are two juicy new-disp bugs waiting for the rr experts :) | 14:32 | ||
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| nine | there are_ | 16:15 | |
| ? | |||
| dogbert17 | nine: indeed | 16:20 | |
| t/spec/S32-io/utf16.t hangs with MVM_SPESH_NODELAY=1 MVM_SPESH_BLOCKING=1 and a small nursery (12k) | 16:21 | ||
| t/spec/S04-statements/with.t fails to comipile given the same settings | |||
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| vrurg | How hard would it be to add atomics support to NQP? | 19:56 | |
| lizmat | isn't it already in nqp as nqp:: ops ? | 20:07 | |
| $ nqp -e 'my int $a; nqp::atomicstore($a,42)' | 20:09 | ||
| Cannot perform atomic store to a non-container value of type BOOTInt | |||
| vrurg | lizmat: that's it. There is no atomicint. | ||
| lizmat | but isn't that just a matter of definition? | ||
| afaik, the "atomicint" is reallt just an int64 ? | 20:10 | ||
| the magic being in the ops, *not* in the variable ? | |||
| going afk& | |||
| vrurg | In the core it is 'my native atomicint is repr('P6int') is Int is ctype('atomic') { } ' | 20:11 | |
| ctype is what's missing for NQP. | |||
| lizmat | I see :-( | ||
| afk& | |||
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| vrurg | Ok, correct me if I'm wrong, but atomics wouldn't work without containers. So, no go for NQP. | 20:44 | |
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| timo | atomics can work on locals by way of NativeRef, right? | 21:10 | |
| maybe we can only sensibly emit that at the qast level at the moment in nqp | 21:11 | ||
| "is ctype('atomic')" is only for getting the right size, isn't it? | |||
| but yeah, nqp doesn't build containers by itself, and if we can't "just" get a nativeref or similar with "is rw" or so, that will need ome extra work | 21:36 | ||
| vrurg | timo: but that'd require more work than it worth, perhaps. | 22:23 | |
| timo | do you have anything in particular in mind? | 22:27 | |
| vrurg | No. I just played with adding atomicint to NQP (required a grammar fix) only to realize that nqp::cas results in a "not a container" kind of error. | 22:41 | |
| timo | yeah, nqp also doesn't have "is rw" | 22:42 | |
| vrurg | That's easy to understand. But with atomic I needed the error message to realize the fact. :) | 22:44 | |
| timo | have you tried adding something to t/nqp/104-refs.t? there are reference types there which may support atomic ops | 22:45 | |
| vrurg | No. I didn't even know that exists. But looks promising. Unfortunately, I have discarded all changes in NQP already. Would have to try it later. | 22:48 | |
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| timo | the nqp test suite is a little treasure trove in general | 23:25 | |