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00:42:36 <HackEgo> 1/2:space elevator//Like the shorter and more familiar strings of stringed musical instruments, the cable of a space elevator has a natural resonant frequency. \ america//This wisdom entry had to be removed due to a DMCA takedown notice. \ cooperate//"Cooperate" is a common misspelling of "cōöperāte". \ anagol//anagol is Anarchy Golf, co
00:42:37 <HackEgo> 2/2:de golf server at http://golf.shinh.org/ \ tarator//Tarator is a Bulgarian soup, traditionally served cold for hot summer days.
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01:07:44 <zzo38> On MMIX you can use the instruction 4ADDU to multiply by five (or by four), so to multiply by 100, you can do like that (because four times five times five makes 100).
01:10:42 <izabera> on x86 you can multiply by 5 with lea (%rax, %rax, 4), %rax;
01:11:27 <zzo38> OK, although I don't know the timing for that instruction and how it compares to multiplication
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01:14:56 <izabera> lea is much less powerful than a generic mul, what does the multiplication is the addressing mode thingy
01:15:55 <izabera> a(b, c, d) where a is an immediate, b and c are registers and d is either 1, 2, 4 or 8
01:17:09 <shachaf> AT&T x86 addressing notation is scow
01:17:44 <izabera> ok, but i've been using gcc daily for years
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04:31:34 <zzo38> Although there is a chess variant called "Canadian Chess", what someone told me he thought it meant, is, that the bishops are now beavers, and that the king may use a rifle but only if he has a license.
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05:13:38 <zzo38> Have you invented a new chess variant today or yesterday?
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06:21:29 <constant> zzo38: https://www.wwu.edu/skywise/leapyear.html has the complete rules
06:21:37 <constant> There is a leap year every year whose number is perfectly divisible by four - except for years which are both divisible by 100 and not divisible by 400.
06:23:54 <zzo38> constant: Yes I know, it is what I mentioned before. And, the reason they did it like that is so that the equinox/solstices are always in the same month and will not drift to the other month instead.
06:24:34 <zzo38> Pope Gregory XIII made that decision.
06:26:10 <zzo38> (Although, at first, some people rejected it because they hated the Catholics, but then one astronomer who also hated the Catholics, said, no actually it is a good idea it doesn't matter who invented it, so then they implemented it.)
06:27:39 <zzo38> If the commonly given dates for horoscopes they give in newspapers were actually correct, then we wouldn't need leap years.
06:29:25 <constant> zzo38: sure, i was mostly commenting on the original C code you pasted which didn't have that
06:31:19 <zzo38> But it does have that rule you just mentioned.
06:32:21 <zzo38> If it is wrong, then tell me what part is the mistake.
06:37:14 <constant> zzo38: maybe I am dumb and misread it originally
06:37:39 <constant> zzo38: never assume I am competent
06:38:13 <zzo38> O, yes, everyone is make mistake sometimes, so, OK.
06:38:47 <zzo38> (I do too, not only you, of course.)
06:39:22 <zzo38> Did you invented any new chess variant today or yesterday or tomorrow?
06:40:08 <zzo38> O, OK. I am currently writing one, though.
06:50:20 <zzo38> According to some old chess rules, it may be interpreted that promoting into opponent's pieces is allowed, too. The old rules also explicitly say that promotion is optional. Consider: r7/1Pp5/2P3p1/8/6pb/4p1kB/4P1p1/6K1
06:57:43 <esowiki> [[Talk:Essays/A Defence of Brainfuck Derivatives]] M https://esolangs.org/w/index.php?diff=54228&oldid=50862 * Challenger5 * (-11) wording
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07:34:10 <zzo38> This is chess variant game I made up today: http://zzo38computer.org/textfile/chessv/ziveruskex
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11:07:52 * Taneb is looking for flats today
11:12:02 <shachaf> try taking the derivative hth
11:13:06 <Taneb> Thank you for the advice
11:13:58 <shachaf> oh man, all sorts of fancy derivatives are legal in the UK, aren't they
11:14:06 <shachaf> Where are you looking again? Cambridge?
11:15:40 <Taneb> Luckily the derivative is close to zero almost everywhere around here so I can cycle about pretty easily
11:17:32 <shachaf> Is that really the kind of flat you're looking for, though?
11:18:41 <Taneb> Who knows for sure
11:19:22 <shachaf> whoa, Cambridge flats are not that expensive
11:20:13 <Taneb> They are compared to, say, York
11:20:26 <shachaf> But not compared to, say, New York
11:20:37 <shachaf> Which is really the better of the two Yorks
11:20:45 <FireFly> How do Cambridge prices compare to Cambridge?
11:20:57 <shachaf> If there was nothing wrong with the old one, why would they make a new one?
11:21:16 <shachaf> I think Cambridge is rather more expensive.
11:21:25 <Taneb> Eh, they named New York that way to get in on the branding
11:21:42 <Taneb> Like JavaScript did
11:22:14 <Taneb> It was originally called Niuew Amsterdam
11:22:22 <Taneb> (New York that is, not JavaScript)
11:22:23 <FireFly> Same story with New South Wales and the southern part of Wales proper?
11:22:52 <Taneb> I've been in south Wales a lot more than I've been in New South Wales personally
11:22:52 <FireFly> I hear Wales proper is fairly rainy though
11:23:57 <FireFly> I've almost been in south Wales, although I think the Bristolites would throw me into the sea for making that claim
11:24:51 <shachaf> Have you almost been in New York?
11:25:48 <FireFly> I've also been in New York, I've also been in New York City
11:26:00 <Taneb> The WiFi here is playing up so I'm going to disappear from IRC for a bit
11:26:00 <shachaf> What about New York County?
11:26:30 <FireFly> Although I had to look it up :p
11:28:01 <shachaf> so when are y'all coming to berkeley twh
11:29:12 <FireFly> I haven't been to New South Wales
11:29:24 <FireFly> I don't think I have any plans to
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11:43:43 <wob_jonas> To anyone interested: yhe deadline for IOCCC submissions has been extended to 2018-03-15.
11:44:56 <wob_jonas> zzo38: In pentium and anything newer that isn't a tiny embedded CPU, multiplication is very fast, so you don't often need to try to avoid it, and replacing multiplication by 100 with some complicated sequence almost certainly hurts..
11:52:45 <esowiki> [[Borsch]] https://esolangs.org/w/index.php?diff=54229&oldid=54138 * Singingbanana * (-65)
12:03:55 <esowiki> [[Special:Log/newusers]] create * OnlySimple * New user account
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12:13:49 <esowiki> [[Esolang:Introduce yourself]] https://esolangs.org/w/index.php?diff=54230&oldid=54218 * OnlySimple * (+217) /* Introductions */
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14:24:29 <esowiki> [[Z80golf]] https://esolangs.org/w/index.php?diff=54231&oldid=54226 * Lynn2 * (+32)
14:27:58 <lynn> that's that mystery solved!!
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15:07:04 <esowiki> [[Z80golf]] https://esolangs.org/w/index.php?diff=54232&oldid=54231 * Lynn2 * (+71) add GitHub mirror
15:19:58 <wob_jonas> [ 304.8%12 NB. let me double-check that
15:24:23 <boily> FireFly. a Lynn is a length unit?
15:24:48 <FireFly> if it is, it is fairly short
15:25:01 <FireFly> I was more perplexed by the wiki handle :p
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18:13:28 <zzo38> wob_jonas: At least on MMIX, four 4ADDU instructions are 3 cycles and multiplication is 10 cycles. Even if an implementation needs an extra cycle to read the instruction, it is 6 vs 11 cycles. However, it can be possible that other implementations of MMIX use nonstandard timing (and there is a simulation which includes this in case you will experiment with that, I suppose).
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18:55:41 <wob_jonas> zzo38: wait, why do you think that 4ADDU instructions are 3 cycles?
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19:06:33 <zzo38> wob_jonas: Sorry, I meant three 4ADDU instructions
19:06:51 <zzo38> The document says it is one cycle each
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19:16:55 <wob_jonas> zzo38: I think I was wrong, and multiplication instructions aren't always as advantageous as I implied. I don't care about the MMIX timings, but integer multiplication on other modern CPUs isn't as fast as I thought either.
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19:25:27 <zzo38> I don't know how fast they are on other modern CPUs, but OK
19:28:34 <zzo38> Did you look what I wrote about a new chess variant game?
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19:32:14 <wob_jonas> zzo38: no. sorry, I don't care about chess variants, especially because there are already a ton of them out there.
19:33:37 <zzo38> I don't play chess often, but sometimes I do.
19:36:07 <zzo38> I like to see chess problems too sometimes, and also tsume shogi
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20:12:23 <zzo38> The document for the "uuid" command specifies you can use the real MAC address or a random one, but how to tell it to use a different specific address? I have a device which has a MAC address although I have never connected it to the internet, and I want to use that one.
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23:56:33 <boily> int-e: int-ello. IEUAAAAAAAAAAAAAAAARGHGHGHGHGHGHGHRLGHRGHLRGHLRGHLRGHGHAAAAAAAAAAAAAAAAAAAAAAAAAAAAARGHGHGHGHGHGHGH!