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github.com/moarvm/moarvm | IRC logs at colabti.org/irclogger/irclogger_logs/moarvm Set by AlexDaniel on 12 June 2018. |
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| nwc10 | good *, #moarvm | 05:23 | |
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| nine | Good morning! | 06:25 | |
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| jnthn | morning o/ | 09:33 | |
| nwc10 | \o | ||
| The XBox "thing" referenced some weeks ago was xboxdevwiki.net/17_Mistakes_Micros...ity_System and www.youtube.com/watch?v=9NqLljaHc80 | 09:59 | ||
| That talk *is* actually watchable (and fun and worth it) even if the start gives some very bad vibes (240p, just one camera from the back and unclear where the microphone is) | 10:00 | ||
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| timotimo | media.ccc.de/v/22C3-559-en-xbox_hacking this could very well be better | 12:15 | |
| same person presenting the xbox part as in the google tech talk, with a bonus xbox 360 part by another person | 12:16 | ||
| what on earth, this is also 240p | 12:17 | ||
| nwc10 | xboxdevwiki.net/17_Mistakes_Micros...ity_System doesn't link to that, but to the YouTube, probably the same. The other link is described as: Another recording of a slightly updated talk is available here: YouTube: Deconstructing The Xbox Security System | ||
| I haven't watched both to figure out what the "slightly updated" meant | |||
| timotimo: I forget which conference it was, where Tim Bunce tried the projector, and said roughly "Wow, this thing can actually match the resulotion of my laptop" | 12:18 | ||
| timotimo | :D | ||
| nwc10 | and that was some years ago. Prior to that, we were not living in the future | 12:19 | |
| the most evil thing that *I* was told about beamers was that they would *claim* to support 1024x768 (or whatever it is) but actually downscale to about 900xsomethi9ng | |||
| and produce fuzzy crap | |||
| whereas forcing the laptop to talk 800x600 to the beamer would make everything sharp and actually look better. | |||
| timotimo | tee hee | 12:20 | |
| nwc10 | so it doesn't surprise me that cameras were recording in 240p | ||
| timotimo | when i want stuff to be really really sharp, i set my resolution to 16k x 16k and increase the dpi so that everything is rendered bigger too | ||
| so i get multisampled antialiasing | |||
| just kidding, i haven't actually tried the "increase dpi" part of that | 12:21 | ||
| but it's very funny that i can just use the biggest size that the GPU will offer with a monitor that can't | 12:22 | ||
| MasterDuke | ugh, i still can't find a monitor i want (caveat-ed with...and am willing to pay for) | 12:25 | |
| timotimo | by now i don't even see the single pixel vertical line that's broken on my left monitor any more | 12:36 | |
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| MasterDuke | timotimo: change of topic. i saw your comment about how slow it was to get a stack trace with tracey. istr its docs saying something about -fno-omit-frame-pointer (which we don't set), do you know if that would make a difference? | 12:39 | |
| timotimo | i set that in my local makefile, or at least i think i did | 12:43 | |
| yes, i did set that | |||
| thing is, i was taking stacks every time a piece of memory from the fsa was allocated or freed | 12:44 | ||
| MasterDuke | oh, ha | ||
| heaptrack will show you that | |||
| timotimo | if you have very small frames getting called, that's an alloc and a free extremely close together, and if you have a tight loop or something, it'll be extremely many calls per second | ||
| MasterDuke | but yes, it slows things down | ||
| timotimo | does heaptrack track every single allocation's lifetime, too? | 12:45 | |
| MasterDuke | i think so. it has a stat it calls temporary allocations | 12:46 | |
| timotimo | because in tracy you can see for any given address (doesn't have to be an actual memory address, can be any value as long as they aren't re-used and only freed after allocation and such) when (in time) and where (in stacktrace) it was allocated and freed | ||
| MasterDuke | it might just track it enough to decide whether it considers it temporary or not, i don't think you can see *when* individual alloc/free happen | 12:48 | |
| timotimo | in any case, i love that visualization tracy has for allocations and frees in the "memory map" | 12:50 | |
| MasterDuke | yeah, heaptrack doesn't have that | ||
| timotimo | and of course scrubbing through the timeline is fun | ||
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| lizmat | and yet another Rakudo Weekly News hits the Net: rakudoweekly.blog/2021/05/10/2021-...-beta-pod/ | 19:04 | |
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