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🦋 Welcome to the IRC channel of the core developers of the Raku Programming Language (raku.org #rakulang). This channel is logged for the purpose of history keeping about its development | evalbot usage: 'm: say 3;' or /msg camelia m: ... | Logs available at irclogs.raku.org/raku-dev/live.html | For MoarVM see #moarvm Set by lizmat on 8 June 2022. |
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| patrickb | I'm looking at `my $p = "abc" ~ "d" xx 8000; $page ~~ m/ a (.+) c /;` That consumes ~2gb of memory. The heap snapshot profiler lists top heap size at 47 MB. Does that mean, that the 2GB are definitely non-managed memory? | 10:33 | |
| So is my best bet a traditional profiler and tracing mallocs in moar? | 10:34 | ||
| lizmat | think so | 10:37 | |
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| MasterDuke | the memory is all being allocated by copy_to, but i'm not yet sure which repr's | 13:54 | |
| probably MVMString's | 13:58 | ||
| nope, believe it's VMArray's | 14:02 | ||
| i added a print of the number of the source array's elems. at one point it starts copying 64000, then 63996, then 63992, then 63988, ... | 14:04 | ||
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| patrickb | MasterDuke: Just posted stuff in the issue. | 14:44 | |
| Guess it's time to revive the NFA debug logic. | |||
| The elems getting smaller seems plausible. the backtracking works itself up from the input texts full size. | 14:46 | ||
| lizmat | And yet another Rakudo Weekly News hits the Net: rakudoweekly.blog/2023/01/16/2023-...ent-radux/ | 15:15 | |
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