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01:08 no-name-: from http://docs.racket-lang.org/quick/index.html - "That is, the identifier circle is bound to a function (a.k.a. “procedure”), just like c is bound to a circle." ---- wwat? functions and procedures are not the same thing..... are they?
01:08 offby1: I think so.
01:09 offby1: just two names for the same thing.
01:09 no-name-: ok
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03:48 Sgeo: Is rudybot continuation-based?
03:48 Sgeo: I think a continuation-based IRC bot would be nifty
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04:36 Sgeo: What if I want to use eventspaces etc. independently of the GUI?
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09:41 samth: Sgeo, see `rec' in the `mzlib/etc' library
09:42 samth: Sgeo, rudybot doesn't use continuations, i believe
09:47 samth: you can see the source to rudybot here: https://github.com/offby1/rudybot/
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11:06 PLT_Notify: racket: master Robby Findler * 91f5fbc (0 files in 0 dirs): added a test case for PR 11930 - http://bit.ly/j6piGU
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11:26 clklein: The value of (set 1 2 3) prints as "(make-set ...)" when DrR is in Constructor or Quasiquote printing mode. Should racket/set be doing something to interface better with the printer?
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12:20 samth: clklein, i think so
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14:29 samth: mattmight, open drracket, type \alpha, hit cmd-\
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14:31 mattmight: I get \alphaλ from that.
14:32 ohwow: hm
14:32 ohwow: cmd-\ is mac-only?
14:32 cky: ohwow: Any time you see Cmd, use Ctrl on non-Mac systems.
14:32 samth: mattmight, i might have the key sequence wrong
14:33 samth: it might be ctrl
14:33 ohwow: hrm
14:33 ohwow: wow i like this λ
14:33 samth: mattmight, it's ctrl-\
14:33 ohwow: I wish I could type it in irssi
14:34 mattmight: Nifty! It works.
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14:35 samth: hi, mitchwand!
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14:35 ohwow: I have troubles implementing imperative algorithm in Racket (traveling salesman problem via branch&bounds in this case), are there any imperative constructs I could use besides `do'?
14:35 mattmight: Neat. That trick works for lots of latex characters.
14:36 ohwow: some algos looks just PERFECT in Scheme, but I might not be smart/experienced enough to implement complex ones :{
14:36 samth: ohwow, what imperative constructs do you need?
14:36 samth: ohwow, see `for', `begin', etc
14:37 ohwow: there is (for) D:
14:37 ohwow: hm, thanks
14:53 eli: mattmight: Did you see the typo I sent you?
14:54 samth: eli, did you ever create that stub page for me?
14:54 mattmight: Yes, got it.  Thanks!  It's on my to-do list.
14:55 eli: mattmight: (BTW, I started with some of your examples for an extended version of the PLAI parts, but then diverged to very different ones -- including a complete explanation of how to derive `amb', and then an extended version of the PLAI stuff...)
14:55 eli: samth: Yes, it's in iplt/web/con, IIRC.
14:55 samth: eli, thanks
14:56 eli: samth: With the configuration set to show the racket front page, so you can write and commit freely, and flip the switch when you're ready.
14:56 eli: Also, I think that I sent you the instructions on how to run it so you can see what comes out.
14:57 samth: eli, yes you did, i just forgot, sorry
14:57 eli: ok
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16:19 Sgeo: Why is frtime a separate language?
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16:41 samth: Sgeo, it has a totally different semantics
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17:13 offby1: eli: I haven't found any way to speed up regexp matching ... short of writing my own little character-by-character parser, have you any ideas?
17:13 eli: offby1: Did you get rid of the non-greedy things?
17:14 offby1: yep, that actually made things _slower_
17:14 eli: Very weird.
17:14 eli: Where's the code?
17:14 eli: s/code/regexp/
17:14 offby1: hold on
17:15 offby1: https://github.com/offby1/rudybot/blob/master/log-parser.rkt#L17
17:15 offby1: you'll want some sample data too
17:16 offby1: http://dl.dropbox.com/u/203667/big-log
17:16 offby1: tx
17:17 eli: offby1: Will the data be there for a while?
17:18 offby1: sure
17:19 offby1: I greatly appreciate any time you spend on this.  I don't know if the slowness will ultimately be due to something wrong inside racket
17:22 eli: offby1: I have to leave now, so I'll try to remember to get there later (probably 9pm and on).  Feel free to ping me in case I don't say anything...
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17:29 offby1: sure, thanks
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17:56 PLT_Notify: racket: master Vincent St-Amour * c02071b (1 files in 1 dirs): Reduce the number of hygiene violations in rep-utils.rkt. ...
17:56 PLT_Notify: racket: master Vincent St-Amour * 027947e (4 files in 1 dirs): Use more descriptive variable names.
17:56 PLT_Notify: racket: master Vincent St-Amour * a1fab6e (31 files in 7 dirs): Give more meaningful names to conditional contract forms.
17:56 PLT_Notify: racket: master Vincent St-Amour * 3b03638 (76 files in 10 dirs): Remove trailing whitespace.
17:56 PLT_Notify: racket: master Vincent St-Amour * 006d5ef (1 files in 1 dirs): Typo.
17:56 PLT_Notify: racket: master commits 91f5fbc...006d5ef - http://bit.ly/jwujl8
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18:43 eli: offby1: Does ~4s for parsing the whole file sound similar to the (bad) time you get?
18:44 eli: offby1: BTW, use (struct utterance (timestamp speaker target text) #:prefab) -- you get a nicer constructor name (`utterance') which can be used in patterns too.
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18:59 offby1: eli: I'm getting something like 14 seconds for that file, but then I'm probably using a slower box.
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19:01 eli: offby1: Just a quick experiment:
19:02 eli: #px"^ *([[:print:]]*?) <= +(\".*\")" --> #px"^ *([^ ]*) <= +(\".*\")"
19:02 eli: #px"^:(.*?)!(.*?)@(.*?) PRIVMSG ([[:print:]]+?) :(.*)" --> #px"^:([^!]*)!([^@]*)@([^ ]*) PRIVMSG ([^:]+) :(.*)"
19:03 eli: That reduces it for me to 2.7s.
19:03 eli: (And I assume that if that file is parsed the same, then it's a valid parse -- so the changes in the regexp are fine.)
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19:04 PLT_Notify: racket: master Matthew Flatt * b644588 (5 files in 3 dirs): add pre-multiplied mode for `{get,set}-argb-pixels' - http://bit.ly/meK5ZL
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19:06 offby1 rubs chin
19:06 offby1: I see whatcher dooin'
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19:08 offby1: that seems to actually slow it down for me
19:12 offby1: (unrelated: the call to "pretty-print"is quite slow; "write" is perfectly fine and faster)
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19:12 (part) eli: "*sigh*"
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19:13 eli: offby1: I'm using just that function.
19:15 eli: offby1: BTW, are you open for changes to the log file format?
19:15 offby1: more than open
19:15 offby1: I hate it
19:16 eli: I'm not talking about a drastic change --
19:16 offby1: I've thought about redoing all of the logging, even going so far as to consider logging to an AWS "simpledb" thing
19:16 eli: Just have the same prefix, but then have the string directly in, instead of printed via "~s".
19:17 eli: It should eliminate the (read (open-input-string raw-string)), which should make things better.
19:18 offby1: yep
19:18 eli: OK, I'll convert and see what I get.
19:18 offby1: anyway, replacing pretty-print with write, and using your regexp instead of mine, brings my time down from 21 seconds to 6.5, which is pretty great.
19:19 eli: I'm assuming that it's enough to change the suffix string only in lines with "<=" or "=>"
19:19 eli: Ah, you measure the printout too...
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19:21 offby1: Yeah, I was just measuring the run-time of the whole program, on a 100,000-line input
19:22 offby1: yep, eliminating "read" does indeed help
19:23 offby1: ... oddly, after eliminating "read", your regexp and mine seem to perform similarly
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20:10 eli: offby1: I see a very definite speedup with either log format
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20:23 offby1: hm
20:25 offby1: here's what I'm experimenting with now: https://github.com/offby1/rudybot/tree/perf
20:25 offby1: it's easy to switch 'twixt the older regexes and the newer
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20:44 (part) eli: "*sigh*"
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20:44 eli: offby1: http://tmp.barzilay.org/offby1.rk
20:44 eli: t
20:48 offby1: one moment!
20:48 offby1: yikes!  You do good work, and for free, too!
20:48 offby1: rudybot: send that man a sandwich
20:48 rudybot: *offby1: settles for a pot of tea and thinly sliced sandwich ...
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