| --- Log opened Tue Nov 12 00:00:21 2013 |
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| 02:38 | <@Azash> | https://up.shiz.me/ZDRiNDFh.jpg |
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| 05:48 | <&McMartin> | OK, it's been like a week |
| 05:48 | <&McMartin> | Time to make some progress in Monocle again. |
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| 15:47 | < ErikMesoy> | Why would vsync default to off in $application? |
| 15:47 | < ErikMesoy> | (it seems to me that it should obviously default to on, for $reasons) |
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| 17:30 | | * iospace stabs marvel |
| 17:31 | <@iospace> | *marvell, not marvel |
| 17:56 | | Turaiel[Offline] is now known as Turaiel |
| 18:42 | <&ToxicFrog> | ErikMesoy: leaving vsync off increases framerate and, often, responsiveness at the expense of graphical quality. |
| 18:45 | | Turaiel is now known as Turaiel[Offline] |
| 19:04 | < RichyB> | ErikMesoy, fwiw, some people can't see vsync tearing artefacts. |
| 19:04 | < RichyB> | I know a guy called Ed who just doesn't perceive them for some reason. |
| 19:04 | < Syka_> | and me |
| 19:05 | < Syka_> | i don't see screen tearing unless i look for it |
| 19:05 | < RichyB> | OTOH, I don't get bothered by jaggies. |
| 19:05 | < Syka_> | but then again |
| 19:05 | < Syka_> | I have a 590 and a 660 |
| 19:05 | < ErikMesoy> | I have never seen tearing artifacts in the last decade. |
| 19:05 | < RichyB> | So I turn vsync on and MSAA off, where he leaves vsync off and MSAA on. :) |
| 19:05 | < Syka_> | ErikMesoy: go play some unoptimised games on linux ;D |
| 19:05 | < ErikMesoy> | I think the last time I saw them might have been watching The Matrix. :P |
| 19:05 | < Syka_> | plenty of it here :( |
| 19:14 | <@gnolam> | Just because you're requesting non-vsync doesn't mean you're going to get it. |
| 19:14 | <@gnolam> | You're at the mercy of your drivers. |
| 19:14 | <&ToxicFrog> | gnolam: yeah, but IME most drivers default to "default ___, let the application override" and most games specifically request vsync on/off |
| 19:15 | <&ToxicFrog> | I have never seen a driver that defaulted to "force on" or "force off" |
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| 19:17 | < RichyB> | Syka_, in the same machine? |
| 19:18 | < Syka_> | RichyB: nah |
| 19:19 | < RichyB> | I didn't think you could SLI with dissimilar cards. :) |
| 19:19 | < Syka_> | 660 is linux box, 590 is windows box |
| 19:19 | < ErikMesoy> | Ooh, there are "force on" drivers? |
| 19:20 | < ErikMesoy> | I want one of those, anything without vsync does nasty things to this machine. |
| 19:41 | <&ToxicFrog> | ErikMesoy: I know that, at minimum, ATI on windows has it as an option. |
| 19:41 | <&ToxicFrog> | I would be shocked if nV didn't also have it. |
| 19:41 | <&ToxicFrog> | On Linux it is as ever a crapshoot. |
| 19:41 | <&ToxicFrog> | There's probably something in /proc that controls it~ |
| 19:44 | < RichyB> | Don't be silly. nVidia and AMD would never do anything so gratuitously standard-to-the-platform as to put files into /proc |
| 19:45 | < RichyB> | nvidia-settings on Linux has an option to turn it on somewhere in the GUI |
| 19:45 | < RichyB> | er, to turn force-vsync-everywhere on, I mean |
| 19:46 | < RichyB> | last time I was running Linux on a machine with an AMD GPU in it, there was no force-vsync-everywhere option anywhere, even in catalyst control centre. |
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| 21:05 | <@froztbyte> | https://twitter.com/savant42/status/400337427958472704 |
| 21:08 | < AnnoDomini> | >php |
| 21:08 | <@Tamber> | :php: |
| 21:09 | < ErikMesoy> | >making php jokes |
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| 21:09 | <@Tamber> | PHP *is* a joke! |
| 21:09 | <@Tamber> | (Had to be done.) |
| 21:10 | <@Alek> | trufax |
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| 22:11 | | * McMartin checks backscroll |
| 22:12 | <&McMartin> | Turning off VSync, distressingly often, also causes your GPU temperature to spike 30 degrees celsius |
| 22:12 | <&McMartin> | As a lot of games don't do frame limiting and so you end up getting like three thousand FPS -_- |
| 22:12 | < Syka_> | like i said |
| 22:13 | < Syka_> | play your 3d games on linux |
| 22:13 | < Syka_> | no 3000 fps here! |
| 22:13 | < Syka_> | maybe 45 and stuttering :D |
| 22:13 | < ErikMesoy|sleep> | McMartin: My old laptop went up like 60 degrees from that. And then overheated. I have happily replaced it since then. :D |
| 22:25 | <@gnolam> | https://gist.github.com/weakish/7428608 |
| 22:28 | <&ToxicFrog> | Syka_: Valve has reported better performance on linux than on windows after they've finished beating the driver writers into submission, actually, and my own experimentation bears this out :) |
| 22:34 | <&McMartin> | Though they then turned their beating sticks to the Windows driver writers so I don't know if that's still true |
| 22:35 | <&McMartin> | TF: Of course, my Linux machine is a laptop with an Intel integrated GPU, so there are limits |
| 22:35 | <&McMartin> | I can run TF2 just fine, but Runner 2 collapses |
| 22:36 | <&McMartin> | Frozen Synapse CTDs whenever I upload a replay. I'm tentatively blaming Not The Graphics Driver for that. |
| 22:38 | < simon> | I'm looking for good small formal languages that are easily expressed using a lexer. example: english times, like "five o'clock" and "ten to three" and "quarter past nine". |
| 22:38 | < simon> | roman numerals is another one. |
| 22:39 | <@Namegduf> | "high noon", "half three"... |
| 22:39 | <@Namegduf> | But hmm. |
| 22:39 | <@Namegduf> | Addresses is my first thought. |
| 22:39 | < simon> | Namegduf, well, for some specification of them, you can use regexes or DFAs rather than enumerate all possible valid times. |
| 22:39 | < simon> | what kind of addresses? |
| 22:40 | <@Namegduf> | Postal addresses. |
| 22:40 | <&McMartin> | Name-with-titles? |
| 22:40 | < simon> | addresses are country-specific. I'm not sure I know any rules. |
| 22:40 | < simon> | McMartin, yeah. |
| 22:41 | < simon> | another one is "(string|number) literals in language X" |
| 22:43 | < simon> | a fellow TA suggested an amusing one, which is "pizza orders". e.g. "I'd like to order a margherita with extra olives and without cheese." |
| 22:44 | < simon> | only it's not that easy to avoid "...and without cheese, cheese and cheese." |
| 22:44 | <&McMartin> | Still lexically sound! |
| 22:44 | < simon> | yes |
| 22:44 | < simon> | I suppose a type checker would take care of the rest :) |
| 22:46 | <&McMartin> | Yeah, that one doesn't come out until a semantic analysis pass of some kind. |
| 22:46 | <&McMartin> | Even a parser would pass that |
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| 23:30 | < simon> | the nice thing about the "British time" language is that you can make a lexer (that is, an LL(1) state machine) return the number of minutes having passed in that day, so the lexer performs some computation rather than simply return a lexical token. this is somewhat of a hack, of course, since that's not what lexers are supposed to do. |
| 23:30 | < simon> | I made one that incidentally, due to the way I designed the states, needed an identity function for integers, and so I devised this emoticon-looking function (SML): ~o~ |
| 23:31 | < simon> | isn't that the cutest-looking identity function you've ever seen? |
| 23:31 | < RichyB> | you must be parsing some pretty fancy programming languages if you think an LL(1) grammar counts as a lexer |
| 23:31 | < RichyB> | ;) |
| 23:31 | <&McMartin> | I think you want "a DFA" there, if the intent is "it should be, ultimately, a regex" |
| 23:32 | < RichyB> | Though really I am absolutely in favour of building LL(1) grammars for lexers instead of just DFAs, since they let you implement things like balanced nested comments. |
| 23:32 | < simon> | McMartin, yes! you are right. RichyB, well, what I'm looking for is really "using a lexer to hack stuff". I'm really looking at regular languages, but MosML-Lex has this ability to shift between states that accept their own sets of regexes. |
| 23:32 | < RichyB> | Can you push and pop those states? |
| 23:33 | < simon> | no :| |
| 23:33 | < simon> | for matching parentheses I'd keep a separate mutable counter variable. |
| 23:33 | < simon> | so uh, I guess I could push and pop through mutability, but it's not as nice. |
| 23:33 | < RichyB> | If it can't implement a stack then it can't actually match all of LL(1) then. |
| 23:33 | < simon> | right. |
| 23:34 | <&McMartin> | It's how people roll with nested comments in flex but yeah, if these are for homework assignments minimize additional complexity |
| 23:34 | < RichyB> | If you're hacking a stack onto the side of it thenā¦ pleaseā¦ have mercy. |
| 23:34 | < simon> | well, the theme for the first week is regular languages, so that's fine. |
| 23:34 | < simon> | RichyB, yeah, nested parentheses are not ideal to start out with when teaching lexers and regular languages. :-P |
| 23:35 | <&ToxicFrog> | McMartin: well, yes, so is mine; but games run playably under linux that are completely unplayable slideshows under windows on the same hardware. |
| 23:37 | <&McMartin> | Aha |
| 23:37 | <&McMartin> | Speaking of which, I'm excited about Wasteland 2 again~ |
| 23:37 | <&ToxicFrog> | Oh? |
| 23:37 | <&McMartin> | I'd been mostly ignoring the kickstarter updates &c, so I did a blog dive last night while downloading the Wasteland 1 thing from GOG |
| 23:37 | <&McMartin> | Whichi nlcuded the vision statement and two gameplay videos |
| 23:38 | <&McMartin> | Also, I think I'm going to be able to get Wasteland 1 working on Linux |
| 23:43 | <&ToxicFrog> | They are in fact working on a linux version |
| 23:43 | <&ToxicFrog> | IIRC, they have it working, but don't yet have a non-Steam distributor, and don't want to release on Steam until they can do a simultaneous not-Steam release |
| 23:43 | <&ToxicFrog> | For this reason I am just chilling out, waiting for the Linux release, and playing ToME4 |
| 23:45 | <&McMartin> | Yeah |
| 23:45 | <&McMartin> | I got my copy of Wasteland 1 from GOG, though, not Steam |
| 23:45 | <&McMartin> | And, uh, it appears to be a DOSBox program, albeit one running a recently developed 16-bit DOS application |
| 23:45 | <&McMartin> | My plan for seeing if I can make it work on Linux is to copy dosbox.conf and the files over and load them into the DOSBox installed on that Linux lappy. |
| 23:46 | <&ToxicFrog> | Let me know how it goes. |
| 23:46 | <&McMartin> | Will do |
| 23:49 | <&McMartin> | Also, they *do* have a non-Steam distributor, but they don't touch Linux~ |
| 23:50 | <&McMartin> | I find it deeply odd that GOG doesn't have tarballs for at least the DOSBox-hosted stuff |
| 23:55 | <&McMartin> | Also, it looks like GOG has opened Wasteland up for general purchase, but Steam hasn't yet |
| 23:57 | <&ToxicFrog> | Well, yes, that's what I mean - they don't have a non-Steam distributor for the linux version specifically. |
| 23:57 | <&ToxicFrog> | And yes, I'm also baffled that GOG doesn't do Linux. All the dosbox stuff trivially has linux support. |
| 23:58 | <&McMartin> | I still need to also dig around the Wasteland binaries to see if they really did do fresh 16-bit DOS development for it |
| 23:58 | <&McMartin> | It's opening with what looks a Hell of a lot like a VGA inXile logo. |
| 23:59 | <&McMartin> | But maybe I have forgotten how good EGA graphics can be. |
| --- Log closed Wed Nov 13 00:00:37 2013 |