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| 03:49.54 | solar | evening prpplague |
| 03:50.04 | prpplague | solar: hey bud |
| 03:50.15 | prpplague | wonders what solar is doing for a job these days? |
| 03:50.54 | solar | I'm working at a game publisher/design/hosting gig |
| 03:51.06 | solar | marvel,lego,dreamworks |
| 03:51.20 | prpplague | ahh |
| 03:51.38 | solar | my role is mainly focused on games that your kids would play |
| 03:52.05 | solar | backend infra for http://www.heroup.com |
| 03:52.38 | prpplague | interesting |
| 03:52.55 | solar | it's ok. I miss hardware |
| 03:53.04 | prpplague | points his son to that url |
| 03:53.34 | solar | 6-12year range is the target |
| 03:53.46 | solar | and marvel dads. |
| 03:54.37 | solar | how about you? Still working that same contract you mentioned about ~6 months ago? |
| 03:57.41 | prpplague | solar: yea, with TI |
| 03:57.51 | prpplague | solar: so far it is turning out to be a long term contract |
| 03:58.12 | prpplague | solar: main problem is dealing with all the different divisions wanting different things |
| 03:58.16 | prpplague | conflicting things |
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| 04:12.54 | solar | oh I think I know the scenario |
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| 09:57.08 | SpeedEvil | http://www.mobileread.com/forums/showthread.php?t=97745 |
| 09:57.20 | SpeedEvil | Root shell on kindle 3 easily. |
| 09:57.54 | SpeedEvil | Is it really jailbreaking if they leave the keys in a large box marked keys next to the door? |
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| 10:07.57 | mnemoc | SpeedEvil: have one? |
| 10:10.47 | SpeedEvil | Not yet - upcoming present |
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| 12:45.49 | mnemoc | is openinkpot.org still alive? |
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| 13:47.00 | kergoth_ | morning |
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| 13:58.37 | Mirell | Mornin' |
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| 16:18.08 | Mirell | Hmm...so does anyone use an IDE for hacking on the Linux kernel? |
| 16:22.02 | CosmicPenguin | I'm trying to think of a sarcastic way to respond to that without sounding like a complete dick |
| 16:22.06 | CosmicPenguin | -ENORETORTFOUND |
| 16:22.20 | SpeedEvil | Stuff like MXR can be handy |
| 16:32.57 | Mirell | Downloading 10 distro ISOs at once is a bit taxing on the ol' cable modem. |
| 16:45.24 | Crofton | emacs? |
| 16:46.14 | Mirell | Oh, I use TextMate, I just wanted something to do auto-magic "What are the parameters of this function" when mousing over. |
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| 19:12.11 | JViz | what are the DSPs on ARM processors usually used for? audio processing? |
| 19:13.23 | district | they're not that specific, they just speed up the common dsp operations which can be applied to all sorts of applications |
| 19:13.54 | JViz | so it depends on what the device OS decides to do with it? |
| 19:16.54 | JViz | are they mostly used as a floating point co-processor |
| 19:16.56 | JViz | ? |
| 19:18.41 | ohsix | floating point is mostly useless for dsp when it gets down to it; fixed point is faster and for the expense more efficient |
| 19:20.27 | JViz | codecs |
| 19:20.40 | JViz | it's usually used for codec processing? |
| 19:21.35 | JViz | ok |
| 19:24.16 | ohsix | theres no typical; but thats usually why someone bothers adding one |
| 19:25.09 | JViz | ty |
| 19:27.02 | roxfan | JViz: do you mean dsp instructions or a separate dsp core? |
| 19:27.14 | JViz | dsp core |
| 19:27.19 | JViz | like on an MAP |
| 19:27.20 | JViz | er |
| 19:27.21 | JViz | OMAP |
| 19:27.49 | roxfan | afaik on omaps it's usually used to offload video/audio processing from the main cpu |
| 19:28.03 | roxfan | codecs etc |
| 19:28.14 | JViz | ty |
| 19:28.45 | ohsix | and TI supports the dsps directly; with codecs |
| 19:29.06 | roxfan | could be used for other tasks of course... pattern matching or whatnot |
| 19:29.32 | JViz | ah |
| 19:36.06 | landley | JViz whay are cpus usually used for? |
| 19:36.20 | landley | It's general purpose hardware. |
| 19:36.28 | landley | There is no usually. |
| 19:36.57 | JViz | [15:24] <ohsix> theres no typical; but thats usually why someone bothers adding one |
| 19:37.10 | JViz | my question was phrased incorrectly |
| 19:37.22 | landley | They can decode or encode mp3, they can do the same for video fornats, they can comoress bitmaps to jpegs in cameras... |
| 19:38.01 | landley | They can implement a software modem |
| 19:38.31 | landley | They can drive cell phone voice encoding and decoding and the signal processing to transmit/receive... |
| 19:39.34 | landley | Printers use them for font resizing and such... |
| 19:40.20 | calculus | they may even run linux someday (at least the OMAPs), http://www.linux-c6x.org/about/ |
| 19:44.25 | roxfan | well, omap linux runs on the arm core |
| 19:44.36 | roxfan | oh nvm |
| 19:45.00 | roxfan | hmm that's quite interesting |
| 19:45.55 | roxfan | btw blackfin runs linux too, though i'm not sure if it can be considered a dsp |
| 19:46.16 | calculus | I think those are the same DSP cores on the beagleboard |
| 19:47.03 | roxfan | yeah omap3 includes a C64x core |
| 19:47.43 | SpeedEvil | The beagleboard uses the same core |
| 19:47.44 | SpeedEvil | err |
| 19:47.45 | SpeedEvil | nvm |
| 19:50.34 | landley | A dsp is really a stripped down cpu with fewer addressing modes and variants of test and loop instructions. |
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| 19:51.11 | landley | It sucks data into the cache, processes it, and writes it back out in a big long linear streaming fashion. |
| 19:51.25 | SpeedEvil | And sometimes really wierd addressing modes. |
| 19:51.33 | SpeedEvil | For exmaple - bit-reversed addressing. |
| 19:51.45 | SpeedEvil | Typically single-purpose 'wierd' instructions. |
| 19:52.01 | roxfan | several pipelines |
| 19:52.04 | landley | It's really fast and power efficient at doing this, but simething else has to tell it what to do. |
| 19:52.11 | SpeedEvil | Like multiply-accumumate postincrementing addresses onboth sides. |
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| 19:52.51 | landley | Trying to run an OS and handle interrupts and lots if random seeking around memory: not its thing. |
| 19:53.00 | florian | re |
| 19:53.42 | Sphere | <PROTECTED> |
| 19:53.43 | Sphere | 21:47 < SpeedEvil> The beagleboard uses the same core |
| 19:53.43 | Sphere | 21:47 < SpeedEvil> err |
| 19:53.43 | Sphere | 21:47 < SpeedEvil> nvm |
| 19:53.43 | Sphere | 21:50 <@landley> A dsp is really a stripped down cpu with fewer addressing modes and variants of test and loop instructions. |
| 19:53.58 | Sphere | oops |
| 19:54.03 | SpeedEvil | I meant n900 |
| 19:54.07 | SpeedEvil | I was in the wrong channel |
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| 22:50.08 | miltonm | landley found a few more links ... |
| 22:50.34 | landley | hmmm? |
| 22:51.05 | miltonm | the strace link in gentoo doesn't seem to be found, and the impact linux mirror has the w upside down |
| 22:51.15 | miltonm | mirror in config file |
| 22:55.05 | miltonm | i guess strace is in native-tools ... just noticed that the url was breaking and the mirror wasn't helping until i fixed it |
| 23:22.29 | landley | Um, strace link in gentoo? |
| 23:23.43 | landley | miltonm: the strace/dropbear/busybox binaries moved to the "extras" subdirectory. |
| 23:24.00 | landley | Top level was getting too crowded. |
| 23:24.23 | landley | w upside down means...? |
| 23:25.41 | landley | Ah, think I understand now... |
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