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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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| samcv | AlexDaniel: yeah it's on the list | 00:17 | |
| will do that now | 00:18 | ||
| AlexDaniel: done | 00:21 | ||
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| Geth | MoarVM/template-compiler-refactor: b48454011c | (Bart Wiegmans)++ | tools/expr-template-compiler.pl [JIT] Tighten scope rules - Reintroduce lexical scope for let declarations - Forbid redeclarations (even inner-scope shadowing), because this is currently unhygienic - We do allow right-to-left references to declarations in the same let scope ... (9 more lines) |
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| Geth | MoarVM: d0e3e0e255 | (Stefan Seifert)++ | src/spesh/facts.c Truncated known values are also known at spesh time |
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| brrt | \o | 06:54 | |
| samcv++ for the release | |||
| now I'm planning to do some PR cleanup | |||
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| samcv | .tell brrt nice! | 07:40 | |
| yoleaux | samcv: I'll pass your message to brrt. | ||
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| brrt | \o | 11:30 | |
| yoleaux | 07:40Z <samcv> brrt: nice! | ||
| Geth | MoarVM: 652056de03 | (Bart Wiegmans)++ | src/moar.c [FSA] Fix use-after-free in cleanup If we cleanup the main thread (with it's per-thread FSA free list) after cleaning up the FSA itself, that corresponds to a use-after-free, and we should not. |
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| MoarVM: b217a11526 | (Bart Wiegmans)++ | 8 files [Spesh] Destroy inlinee after inlining After we've inlined a graph the inliner claims ownership over the memory of the inlinee. With this patch, we destroy the original graph, which should simplify lifetime management. The memory region list is merged with the inliners graph so that the memory allocated for the inlinee nodes is not freed. |
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| MoarVM: 96b88ebad7 | (Bart Wiegmans)++ | 2 files [Spesh] Leak fixes Many allocated things either come from a spesh candidate or from malloc (or realloc). Or they are assigned to a spesh candidate. So the only way to really know if they are shared with a spesh candidate (or static frame) is by checking if they are pointer-equal. ASAN leaksanitizer is finally clean now for me. |
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| brrt | I'm of half a mind to implement a 'link' phase in the expr compiler, that would make macro's hygienic | ||
| (although I'd have to implement it prior to the macro expansion) | 11:35 | ||
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| lizmat | is it ok for me to bump Moar / NQP to get the latest goodies ? | 13:49 | |
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| lizmat | and another Perl 6 Weekly hits the Net: p6weekly.wordpress.com/2018/09/03/...y-returns/ | 15:37 | |
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| brrt | lizmat: you could, but the list of in-progress PRs is still pretty large | 15:43 | |
| also, lizmat++ #weekly | |||
| lizmat | brrt: I have no idea on what can be merged and in which order :-( | 15:46 | |
| MasterDuke | brrt: did you see my recent reply to your comment on github.com/MoarVM/MoarVM/pull/926 ? | ||
| brrt | I did | 15:52 | |
| and I replied to it as well :-) | |||
| MasterDuke | ah, thanks | ||
| brrt | we'll get to them in due course | ||
| MasterDuke | brrt: btw, i don't know enough about the jits to know which of timotimo++'s suggestions to implement (in the same PR). do you have a recommendation? | 15:55 | |
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| brrt | I'm not 100% sure what timotimo means there, either | 16:12 | |
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| timotimo | i thought that ensure_decoder is inlined everywhere in the interpreter | 16:16 | |
| but we would do a full call into it | |||
| brrt | ah, i see | 16:19 | |
| we could do a macro for it | 16:20 | ||
| timotimo | right, a piece into emit.dasc | 16:22 | |
| that could do it, too | |||
| BBL | 16:25 | ||
| Geth | MoarVM: c49fc88a38 | (Stefan Seifert)++ | 2 files Fix rw args of JITed calls to JITed native calls getarg_* are used to read (possibly modified) values back from the args buffer. This is currently done only for native calls (after a nativeinvoke). However the JIT does not emit any code for the corresponding arg_* ops for a nativeinvoke. Instead the values are read directly from the WORK registers and the arg_* ops are only used to mark those registers. This means that there's nothing in the args buffer to read from. So instead, turn the getarg_* ops into plain set ops and take the value from the original WORK register. |
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| MasterDuke | i might be able to write the template macro, but not somthing for emit.dasc | 16:59 | |
| brrt: are string literals now supported in templates? | 17:00 | ||
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| brrt | I think they are, yes | 17:49 | |
| hmm, my last change to the let declaration binding may require me to change macro application as well.. | 17:50 | ||
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| MasterDuke | brrt: do i need to use any special syntax for them? | 18:40 | |
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| brrt | I think they are supposed to be const_ptr's. | 18:41 | |
| so something like (const_ptr "foo bar") should work | |||
| MasterDuke: also note that the new expression template compiler is a bit more strict than the old one, so there may be things that work now and won't in the future | 18:44 | ||
| MasterDuke | brrt: ok, it was just merged, right? | 18:45 | |
| ugh, "won't in the future", i should read a little more closely... | 18:46 | ||
| brrt | we're nearly there :-) | 18:47 | |
| I merged the spesh leak fixes one | 18:50 | ||
| MasterDuke | right. should --full-cleanup work fine now? | 18:51 | |
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| brrt | it ought to not crash | 18:56 | |
| it will still leak | |||
| well, hmm | |||
| no, that's wrong | |||
| it will actually crash | |||
| :-) | 18:57 | ||
| you need the fork-safety branch for it not to crash | 19:01 | ||
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| MasterDuke | brrt: ah, looking forward to that one | 19:19 | |
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| lizmat | Q: how difficult would it to make an nqp::ifnull_s() op like nqp::ifnull , but checking for nqp::null_s ? | 21:58 | |
| it would allow simplification of a lot of methods in Encoding::Decoder::Builtin | |||
| also: how difficult would it be to not have nqp::join not choke on nqp::null_s 's in a list_s ? | 22:06 | ||
| *to have | |||
| dogbert11 | Building 2018.08 on RPi wasn't a fun experience. SEGV's when building nqp and Rakudo. Only way to finish the build was by setting MVM_SPESH_DISABLE=1 | 22:29 | |
| lizmat | I'm pretty sure some people here would find the segv's interesting reading material | 22:30 | |
| in any case, maybe make an issue ? | |||
| dogbert11 | lizmat it works with spesh enabled but only up to MVM_SPESH_LIMIT=2, if I set it to >2 it SEGV's | 22:32 | |
| SEGV's always look like this | 22:34 | ||
| Program received signal SIGSEGV, Segmentation fault. | |||
| 0x76b69bac in MVM_gc_collect_free_nursery_uncopied (tc=tc@entry=0x22668, limit=0x76852ff4) at src/gc/collect.c:607 | |||
| anyway, I'll make an issue tomorrow | |||
| MasterDuke | lizmat: ifnull is done in nqp, github.com/perl6/nqp/blob/master/s...nqp#L1009, maybe ifnull_s wouldn't be too hard | 22:42 | |
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