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Post closed tickets in your report. | Note: This channel is for our weekly status meetings (Tuesdays at 19:30 UTC); you probably want #parrot instead. | irclog: irclog.perlgeek.de/ Set by moderator on 18 February 2014. |
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| Util | Pre-report: | 19:30 | |
| # Done: Nil ($WORK) | |||
| # Doing: Almost done with rosettacode.org/wiki/QR_decomposition | |||
| .end | |||
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| Util | Hello! Who all is in attendance? | 19:30 | |
| rurban_ | me | 19:35 | |
| Done: Only studied more hash functions and tables. (this week open addressing and symbolic verification) | 19:36 | ||
| Otherwise mostly B::C work only. Not much time | 19:37 | ||
| And helping rperl | |||
| Util | Adding to my report: Volunteering to be backup mentor for the Parrot task (improve method signatures) for GSoC 2014. | 19:42 | |
| rurban_: BTW, the Perl Compiler project was discussed during the dinner after the last Atlanta.pm meeting. | 19:43 | ||
| rurban_ | Nice | ||
| Util | rurban++ , from all of us. | ||
| rurban_ | Soon with a jit. lightning is my current favorite, better than DynASM. Ditto for parrot but I'm still thinking about it | 19:44 | |
| Util | Excellent! | ||
| rurban_ | lightning offers the easiest cross-platform support, and all the CPU specific extensions similar to DynASM also (SSE) | 19:45 | |
| just GC integration might be tricky, but should be doable | |||
| lightning comes from smalltalk (GC) afterall, and is used by clisp also (GC) | 19:48 | ||
| rurban | Util++ (mentor) | 19:50 | |
| rurban_ | btw. there's a new crazy hash scheme out there: robin hood or backshift: github.com/goossaert/hashmap/blob/...hashmap.cc seems to beat all | 19:52 | |
| it's open, so fast, very cache friendly, and there's a logical limit of linear collisions. so perfect for everybody. | 19:53 | ||
| Util | Thanks for the info; very new to me. | 19:54 | |
| rurban_ | But I still need to time it against a linear collision table with sorted collisions (not a linked list) | ||
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| rurban_ | and the fastest perfect hashing (cmph BMZ) | 19:55 | |
| Util | For lurkers: en.wikipedia.org/wiki/Hash_table#Ro...od_hashing | ||
| rurban_ | no, CHD is the fastest, not BMZ | ||
| robin hood is a bit similar to the scheme I use in potion/p2, but better and faster | 19:56 | ||
| Hopscotch is also interesting | |||
| I need to setup some perf stats and plots | 19:57 | ||
| (esp. for perl5, parrot not so much) | |||
| This is very in flux currently. Everybody is switching, not just perl5 | 19:58 | ||
| concurrency being the biggest problem (not ours) | 19:59 | ||
| some also add a bloom step to filter out non-existing entries earlier and faster | 20:00 | ||
| Ah yes. I forgot: I found fperrad's repo with his parrot replacement and showed it #perl6. pretty exciting | 20:02 | ||
| really really fast and simple | |||
| currently implemented nqp tests: github.com/fperrad/tvmjit/tree/master/t/nqp | 20:03 | ||
| someone created a very very nice language on top of that: shine github.com/richardhundt/shine | 20:04 | ||
| already better than perl6 | |||
| and much cleaner | 20:05 | ||
| done | 20:06 | ||
| Util | Anything else before we adjourn? From anyone? | 20:07 | |
| OK, then. Meeting adjourned. Thanks! | 20:08 | ||
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