| --- Log opened Tue Apr 05 00:00:04 2011 |
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| 01:23 | < Reiv> | gauntlet drill? |
| 01:25 | < ToxicFrog> | \subsection{Dynamic reconfiguration} % THIS IS STILL THE COOLEST THING EVER |
| 01:31 | <@McMartin> | Hee |
| 01:32 | | * Derakon googles, doesn't find an obvious definition. Quod est? |
| 01:32 | < ToxicFrog> | (the original paper that I'm expanding had % HOLY SHIT HOW COOL IS THIS next to the relevant paragraph (which gets a full subsection in this version)) |
| 01:33 | < ToxicFrog> | Derakon: dynamic reconfiguration in general is the ability for a microchip to reconfigure its behaviour at runtime - typically this is used to describe FPGAs, but it also describes chips with certain types of multi-mode subsystems. |
| 01:33 | < Derakon> | Ahh. |
| 01:33 | < Derakon> | Yeah, that is pretty damn snazzy. |
| 01:33 | < ToxicFrog> | This specific instance of DR is the IMAPCAR2, an image processing chip with a 128-way SIMD processing array... |
| 01:34 | < ToxicFrog> | ...made up of 64 groups of four, each one of which can also operate in concert as a secondary processor core. |
| 01:35 | < ToxicFrog> | Allowing the chip to scale at runtime from a 16-bit RISC processor with crazy SIMD support to a 33-core 16-bit RISC processor with no SIMD hardware at all. |
| 01:35 | < ToxicFrog> | This is especially cool because it doesn't use FPGA blocks at all; each group of four has some additional control hardware in it that ties it together when operating in multicore mode. |
| 01:36 | < ToxicFrog> | The SIMD memory blocks are combined to form the data and instruction caches; the datapath from one of the PEs forms the datapath of the combined core; the ALUs of the other three and the registers of one form the FPU; and the remaining two register banks are used for cache control. |
| 01:37 | < ToxicFrog> | Is that not so fucking cool? |
| 01:37 | < Derakon> | Hee. |
| 01:37 | < Derakon> | It's like Voltron, applied to computer hardware design~ |
| 01:38 | < ToxicFrog> | Pretty much! |
| 01:41 | < ToxicFrog> | And my thesis project is unfucking the programming environment on this thing eeeeeeeeeeee |
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| 02:22 | | * Tamber taps some of ToxicFrog's glee, in case it turns out to cure things. |
| 02:41 | | Reivles [orthia@Nightstar-d6c757d1.lightwire.co.nz] has joined #code |
| 03:45 | < ToxicFrog> | Hey, I get to cite my advisor in this paper! |
| 03:46 | < Derakon> | Free brownie points! |
| 03:49 | < ToxicFrog> | It would be nice if the MPI Forum published BibTeX blocks for the MPI specification. |
| 04:02 | < ToxicFrog> | Boo |
| 04:02 | < ToxicFrog> | I have 11 references and only ten fit on a page |
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| 04:10 | < ToxicFrog> | Done! |
| 04:22 | | * Derakon eyes http://img1.purerave.com/4/95/4068295.gif and idly wonders how hard such an effect is to achieve in OpenGL. |
| 04:23 | < Tamber> | Don't even /think/ "How hard can it be?", it instantly increases in difficulty the second you do that. |
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| 04:24 | < Tamber> | :p |
| 04:25 | < Derakon> | There's a difference between "I wonder how hard X is" and "How hard could X be?". |
| 04:25 | < Tamber> | Oh. In that case, merely "very". ;) |
| 04:27 | <@McMartin> | It's definitely doable, though; QuantZ is absolutely packed with that effect, and I strongly suspect it's part of the Geometry Wars aesthetic too. |
| 04:27 | <@McMartin> | (Though there it's just used for "glowing neon") |
| 04:27 | < ToxicFrog> | WTFWTFWTF |
| 04:27 | < Derakon> | Something about the concept of mixing Jetblade's prerendered 2D sprites with absurd flashy particle effects amuses me. |
| 04:27 | < ToxicFrog> | Apparently, Exchange ActiveSync - the protocol smartphones use to communicate with an Exchange server - can be used to factory-wipe the phone remotely without confirmation. |
| 04:28 | < Derakon> | I'd believe it. |
| 04:28 | < Tamber> | I can see why that'd be useful. |
| 04:28 | < ToxicFrog> | Granted, you have to control the Exchange server to do this. |
| 04:28 | < Derakon> | Corps want the ability to wipe employee phones if they get stolen. |
| 04:28 | < Derakon> | Among other similar use cases. |
| 04:29 | < Tamber> | ToxicFrog, ...did you discover this by accident? :P |
| 04:29 | < kwsn> | [22:25:12] <Derakon> There's a difference between "I wonder how hard X is" and "How hard could X be?". <--- reminds me of the 90/90 rule |
| 04:36 | | cpux is now known as shade_of_cpux |
| 04:47 | < ToxicFrog> | Tamber: no, I hang out in a bunch of IT-related threads on SA. |
| 04:47 | < Tamber> | Ahh |
| 04:48 | <@McMartin> | Yeah, that's not remotely a wtf - it is in fact the first thing corporate customers will ask for if you don't have it - and not having it will be a dealbreaker. |
| 04:48 | <@McMartin> | You have no idea how incredibly sloppy C-level officers are with data. Remote kill capabilities are absolutely crucial. |
| 04:49 | <@McMartin> | (This is also why if you're going to mix business and personal stuff on one machine, the business stuff should be in a VM so when the host remotely kills that your host remains untouched.) |
| 04:50 | <@McMartin> | (See, for instance, the company I work for~) |
| 04:52 | <@McMartin> | Actually, to be fair to the C-level officers, the level of security most of this stuff should have would make getting things done meaningfully pretty difficult. Most of that stuff a sane corporation would try to protect a la the Laundry's stuff. |
| 04:52 | <@McMartin> | (That is, Stross's Laundry novels) |
| 05:04 | | * ToxicFrog sends paper off to professor, sends revised marks off to other professor, ponders dinner |
| 05:05 | <@McMartin> | Midnight Dinner? |
| 05:12 | < ToxicFrog> | Ye. |
| 05:12 | < ToxicFrog> | s. |
| 05:24 | < ToxicFrog> | But what? |
| 05:24 | < ToxicFrog> | Pasta, maybe. That's nice and low-effort. |
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| 05:42 | < ToxicFrog> | Looking back on the process of writing this paper, I now need to knee Past Me in the groin twice |
| 05:43 | < ToxicFrog> | Once for spending so long faffing about with Office rather than learning LaTeX, and then again for spending so long faffing about with Dia rather than learning xfig and graphviz. |
| 05:44 | <@McMartin> | graphviz I do not recognize. |
| 05:46 | < ToxicFrog> | LaTeX for graphs, basically. You give it a text file describing a directed or undirected graph, it spits out a vector or raster image of it. |
| 05:46 | < ToxicFrog> | There are various options for controlling graph layout direction and whatnot. |
| 05:52 | < Derakon> | So basically it looks at the edges and determines the most planar way to create it? |
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| 05:56 | < Derakon> | They could have done it 80 years ago. |
| 05:56 | < Derakon> | Mischan. |
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| 06:02 | < ToxicFrog> | Derakon: pretty much, although by default it also makes some assumptions about layout preference (eg, nodes declared earlier in the file it should try to place closer to the top) |
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| --- Log closed Wed Apr 06 00:00:18 2011 |