| --- Log opened Fri Oct 07 00:00:59 2016 |
| 00:14 | | Kindamoody is now known as Kindamoody[zZz] |
| --- Log opened Fri Oct 07 00:37:14 2016 |
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| 07:14 | <@simon> | 1nm transistor: http://www.nextbigfuture.com/2016/10/major-breakthrough-in-transistor-size.html |
| 07:14 | <~Vornicus> | Well I guess they had to get there eventually |
| 07:20 | <~Vornicus> | http://electronics.stackexchange.com/a/260484 makes me wondering about this though. |
| 07:26 | <@Logar> | simon: Will this mean that Dwarf Fortress will run smoothly again? :V |
| 07:41 | <@Tamber> | No, never. Dorf Fort expands to consume all processing resources. |
| 07:43 | <@Logar> | And more. |
| 07:46 | <@Tamber> | Because the overseer will always build more impressive and needlessly complex doomsday systems. |
| 07:47 | <@Logar> | Because Toady will implement more and more systems and optimize only when he can no longer test them because the thing runs too slow. |
| 07:47 | <@Tamber> | :) |
| 07:49 | < catadruid> | :3 |
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| 08:56 | | * Emmy-werk cleanses the world in passing |
| 08:58 | < catadruid> | Yay |
| 09:14 | | * Vornicus is lemon-scented |
| 09:14 | < catadruid> | You're a napkin? |
| 09:23 | < Emmy-werk> | ah, the Either that, or he's a sourpuss. |
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| 09:30 | < Emmy-werk> | Argh. to a database developer energy saving setings are an invention of satan |
| 09:30 | < Emmy-werk> | kept getting 'network/drive connection lost' errors. think i know why now. |
| 09:31 | <@Logar> | This annoyed me to no end until I set Windows to stop turning off the network when I logged off. |
| 09:43 | < Emmy-werk> | D'oh. my past laziness in not documenting /how/ or where i solved something is coming back to bite me in the ass. |
| 09:43 | <@Logar> | Ah, yes. |
| 09:43 | <@Logar> | That's why I have the "magical rituals" folder in my Dropbox. |
| 09:46 | < Emmy-werk> | I still need to make that kind of file myself, but at least now when i mark an issue solved in trello i comment with how/where i did it so that i can find it back. |
| 09:46 | < Emmy-werk> | so that i can find both my more mundane and common solutions and the more exotic pieces of code as well. |
| 09:47 | < Emmy-werk> | even if used only once |
| 10:03 | | * Logar sees for the first time, a link on an article: (read this article on one page) |
| 10:03 | <@Logar> | YES. |
| 10:03 | <@Logar> | YES YES YES. |
| 10:04 | <@Logar> | Pagination is of the Devil. |
| 10:13 | < Emmy-werk> | yes |
| 10:14 | < Emmy-werk> | those clickbaity 'click for next photo' sites are even worse |
| 10:15 | < Emmy-werk> | at least they have the excuse of saving/managing bandwidth for pictures, but still |
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| 10:31 | < Emmy-werk> | WHOOP |
| 10:31 | < Emmy-werk> | almost accidentally threw away a large section of my project. |
| 10:32 | < Emmy-werk> | Fortunately an error telling me of orphaned code made me realize it |
| 10:47 | <@Tarinaky> | I spent most of last night swearing at not being able to find a good light-weight vector math library for dense matrices... handrolling most of one... realising it's unoptimised garbage and rolling back to boost::ublas which still isn't quite the right choice but seems to be the least-worst option. |
| 10:48 | <@Tarinaky> | I may yet be better off just pushing float* around. |
| 10:50 | < catadroid> | I really find it hard to believe that there's no standard SIMD types in C++ |
| 10:50 | < catadroid> | Bugs me |
| 10:51 | <@Tarinaky> | SIMD isn't even standard between x86/x64 processors. It's an extension you have to test for. |
| 10:51 | <@Tarinaky> | And one I don't believe ARM has an equivalent for? |
| 10:51 | <@Tarinaky> | Although I might be wrong on that. |
| 10:53 | <@Tarinaky> | In /theory/ I think the compiler can generate SIMD instructions if you stand on one leg and pray though. |
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| 10:56 | < catadroid> | But compilers do have intrinsics for them |
| 10:56 | < catadroid> | I guess I'm focused quite heavily on systems that implement things like SSE |
| 10:57 | < catadroid> | In theory you can vectorise operations automagically |
| 10:57 | < catadroid> | But that's not very reliable |
| 10:59 | <@Tarinaky> | I'm not quite sure which processors exactly support SSE. I know all the intel ones do, but I'm not sure if the code then runs on an AMD.. |
| 11:02 | <@Tarinaky> | My matrix mult code was really awful though because I was using column ordering so I couldn't just copy my temp row all at once :( |
| 11:04 | < catadroid> | AMD processors intended for desktops definitely do support SSE |
| 11:05 | <@Tarinaky> | Ah, |
| 11:05 | <@Tarinaky> | I might revisit that then. |
| 11:05 | < catadroid> | 99% sure of that, otherwise they would suffer in game performance |
| 11:06 | <@Tarinaky> | I thought they had an equivalent, but different, featureset that had to be supported seperately. |
| 11:06 | <@Tarinaky> | Different instructions/intrinsics. |
| 11:06 | < catadroid> | Not so far as I'm aware |
| 11:07 | < catadroid> | It's possible they have different SSE versions |
| 11:09 | <@Tarinaky> | Also: if you had a vector struct that you wanted to index the components as x,y,z, could you guarentee that all three attributes were perfectly contiguous, without magic seperating them, for all compilers? |
| 11:09 | < catadroid> | Yes |
| 11:09 | <@Tarinaky> | So that (&x)[2] === z ? |
| 11:10 | < catadroid> | Layout is theoretically different on different platforms, but in practice it's nearly always the tightest possible |
| 11:10 | < catadroid> | wrt the alignment needs |
| 11:11 | <@Tarinaky> | Is there a way to specify to the compiler that it has to be aligned in that way? For correctness sake? |
| 11:11 | < catadroid> | I've never known of a platform where that wasn't the case, and it's easy to setup a quick test |
| 11:11 | < catadroid> | (but I'm focused on gaming machines, of course) |
| 11:12 | < catadroid> | You can actually tell the compiler to use particular alignment if you need to and I believe there's a standard keyword to do that now |
| 11:13 | < catadroid> | But i wouldn't recommend forcing that unless you find you need to for some reason |
| 11:13 | <@Tarinaky> | I'm making a game to learn/improve my skills at modern C++ so I figure making sure my C++ is theoretically correct against the standard rather than the compiler is probably worth while :P |
| 11:15 | < catadroid> | :) |
| 11:15 | < catadroid> | Yeah, it used to be that you couldn't specify alignment without compiler attributes and intrinsics |
| 11:16 | < catadroid> | But there are standard ways to do that now iirc |
| 11:34 | <@Tarinaky> | I'll have a look at that again tonight then. |
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| 12:11 | <@simon> | argh. making my two classes SharedHyperLink : BaseHyperLink<SharedHyperLink>, SpecialHyperLink : BaseHyperLink<SpecialHyperLink> means they no longer have a common supertype. |
| 12:12 | <@simon> | which means that I can no longer refer to their common properties by casting. |
| 12:12 | <@simon> | http://stackoverflow.com/questions/39711272/abstract-factory-method-with-fixed-t ype-parameter/39891605#39891605 |
| 12:14 | <@simon> | also, all methods that deal with either one has been encumbered with a constraint: public IEnumerable<THyperLink> DoWhatever<THyperLink>(IEnumerable<THyperLink> links) where THyperLink : BaseHyperLink<THyperLink> { ... } |
| 12:14 | <@simon> | s/has/have/ |
| 12:15 | <@simon> | all so that I could do .WithContentType(...) on one. I should probably have gone with a separate interface, because this sucks. |
| 12:38 | <@simon> | hmm, I don't see how an interface solves it, either. I'll have to have a THyperLink for my 'THyperLink WithContentType(ContentType)' method to specifically return THyperLinks in class THyperLink. |
| 12:39 | <@simon> | 'public abstract class BaseHyperLink<THyperLink> : Entity<int>, IHyperLink<THyperLink> where THyperLink : BaseHyperLink<THyperLink> { ... }' will just push the abstract method to an interface and they still don't have a common supertype. |
| 12:41 | <@simon> | so if I ever want to be able to differentiate between them by calling type-specific variants of .WithContentType, I'll need to pass that THyperLink around. my library functions become beautifully generic, but syntactically encumbered. |
| 12:41 | <@simon> | also, the existing framework doesn't support it in various places like event handlers that aren't parameterized. |
| 12:42 | <@simon> | so I end up doing reflection in those spots and the upside vanishes. >_< |
| 12:42 | <@simon> | also, the existing framework uses casts inside untested GUI code, so I'll have a bunch of places where those casts fail at runtime. |
| 12:50 | <@simon> | I'll make an unparameterized interface with the common properties found in BaseHyperLink<T>. |
| 12:52 | | * simon likes that he's finally learning OO stuff after so many years~ |
| 12:52 | <@simon> | (i.e. by doing stupid things and learning what not to do from the consequences.) |
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| 13:21 | <@Tarinaky> | Ooo, new Zachtronics game |
| 13:23 | <@gnolam> | ... well that was unexpectedly painless. |
| 13:23 | <@TheWatcher> | ? |
| 13:23 | <@gnolam> | Implemented a fully functioning QR code feature in < 2 hours. |
| 13:24 | <@gnolam> | Full editor support, full printing support. |
| 13:26 | < catalyst> | :) |
| 13:26 | <@TheWatcher> | Nice. |
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| 15:17 | | * Logar connects to the same remote machine with two sessions to work on some files, feels like MULTI TRACK DRIFTING. |
| 15:20 | | * Azash gets the eurobeat |
| 15:22 | <@simon> | I notice how the days get shorter by the time of day when the window across the street starts blinding me at my desk. |
| 15:25 | | * ErikMesoy HATES Invisionapp. |
| 15:26 | <@ErikMesoy> | The ruddy thing has IN-APP POPUPS WITH VIDEO. |
| 15:26 | <@ErikMesoy> | Also many lesser annoyances such as tip-chains which appear several in a row and each has its close button somewhere else from the previous. |
| 15:26 | <@ErikMesoy> | My workplace has assigned me to use it as glorified powerpoint for looking at slides to design tests from. |
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| 15:29 | <@Logar> | Azash: https://i.sli.mg/XTIs4r.png |
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| 15:31 | <@Azash> | Yeah I'm aware |
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| 15:44 | <@simon> | ErikMesoy, in Denmark we have a website called kommunikationsforum.dk that's supposed to be for communication professionals. well: https://scontent-amt2-1.xx.fbcdn.net/t31.0-8/14379693_1272721152759359_429430815 9888844373_o.jpg |
| 15:45 | <@simon> | apropos inconsistent closing mechanisms |
| 15:46 | <@simon> | in one of the blue boxes, the X is the closing mechanism and the orange button is the "please pester me more" button, and in the other blue box, there is no X and the closing mechanism is the orange button. |
| 15:46 | <@simon> | if this was deliberate, their intent would be to trick me into reading their cookie policy... |
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| --- Log closed Sat Oct 08 00:00:18 2016 |