keldaris

9 ms·

61.
by keldaris 7y ago
Given the extent to which real-time fluid simulation consists of GPU computation, is there anything that makes Odin particularly suited to that domain apart from the basic requirement of control over memory allocation and alignment? I'
62.
by keldaris 7y ago
I don't know the answer to your question, but with regards to the million LoC/s target it's worth noting that an AMD 3970X can compile the Linux kernel in under 24 seconds [1] (that's an optimized GCC release build), whi
63.
by keldaris 7y ago
Sure. TCC (the tiny C compiler) runs at over 3 million LoC/s on my machine (on a single core!) and GCC debug builds aren't that far behind, so for C (or very orthodox C++) projects it's doable. I keep my own C++ codebases und
64.
by keldaris 7y ago
> Politicians, both left and right, look at me like I'm from Mars when I propose this. Those on the left think high drug costs are all about greed and not our broken system, and those on the right have unwavering faith that "fr
65.
by keldaris 7y ago
I use a couple of X220s as my work laptops, as I find the keyboard far superior to the X230 and all later models (it's the last classic ThinkPad keyboard prior to the chiclet designs). The hardware is still mostly sufficient for my nee
66.
by keldaris 7y ago
So SSE2 intrinsics should be safe for x86_64 builds?
67.
by keldaris 7y ago
Actually, it is mostly for idealistic reasons. Scientists compartmentalize and often don't view it as corner cutting with respect to the science. I'll try to explain. Scientists generally like doing science. Nowadays, the higher y
68.
by keldaris 7y ago
I briefly addressed this here: https://news.ycombinator.com/item?id=21964840
69.
by keldaris 7y ago
Sure - for some definition of "reproducible". Any metric you come up with that's easily measurable will be gamed into oblivion. Anything meaningful - like looking at dedicated reproduction studies, etc. - requires a complete
70.
by keldaris 7y ago
You won't get much more focus on politically (in the context of the academia) popular topics, the existing system already imposes that particular bias exceedingly well (how do you think you get citations?). But yes, you'll get mor
71.
by keldaris 7y ago
I don't know that we can reform - if you spend too much time trying, the system will automatically cull you. Personally, I'm lucky enough to be at least slightly insulated from the true scale of the problem by working in theoretic
72.
by keldaris 7y ago
The answer is simple, but it's also one that's completely useless for anyone reading this post. What needs to happen is a gradual realignment in both the funding and hiring criteria across all of academia. There needs to be less e
73.
by keldaris 7y ago
As a working scientist, I feel both sides of the problem every day. Most papers I come across turn out to be difficult if not impossible to reproduce, and I'm sure some of my own papers have fallen into that group at some points (altho
74.
by keldaris 7y ago
Emphasis on graphical fidelity was an issue when it came out, but the long term performance nightmares are all single threaded CPU bottlenecks. The whole engine just scaled really poorly with increased unit counts and AI/pathfinding co
75.
by keldaris 7y ago
Three things displeased me. First, one of the (many) ways in which TA was revolutionary for its time was that it largely emphasized thinking over rapid micromanagement and SC was a regression in this regard, an unnecessary concession to the
76.
by keldaris 7y ago
> shader-based flow simulation for path finding Are you aware of any real world examples that implement this? I've seen a few research papers over the years, but nothing beyond a rough proof of concept. As a fellow TA fan disappoint
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by keldaris 7y ago
I don't think it'll make much economic sense for consumers to actually buy them, but I do expect to see services accessible to the public that let you use an autonomous vehicle in places with effectively ideal conditions before 20
78.
by keldaris 7y ago
Technically, we already have fully autonomous vehicles on the road, they're just not generally allowed to be used as such and have obvious failure modes not shared by human drivers. However, if by this you mean "autonomous vehicle
79.
by keldaris 7y ago
> Lol. Yeah it's those damn millenials that are ruining public debate again. I didn't assert that. As far as I can tell it's a tiny minority of millenials. > There's is an equally loud segment of older car drivers
80.
by keldaris 7y ago
No, the two questions you ask have very little to do with each other. There's a perfectly reasonable debate to be had about the externalities of different modes of transportation, but that is not what I'm referring to. I'm re
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by keldaris 7y ago
From my experience, your anecdote generalizes very well across most of the EU. You're being downvoted because HN has a particularly loud car hating bubble. Luckily, there are very few places these people have any meaningful chance of i
82.
by keldaris 7y ago
> What would be a proportionate response then? First of all, if you think military intervention is a proportionate response, the onus is on you to justify such an extraordinary measure. That being said, there's a wide array of reaso
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by keldaris 7y ago
> This quote is present in the first comment you've replied to. There is no need to attribute malice to me. You attributed a quote to me that isn't even remotely reminiscent of anything I've said in this discussion. There
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by keldaris 7y ago
> And before that you said that the US is 'splendid' compared to Russia. I've said no such thing. Why are you making quotes up now? > That is a paranoid mentality stuck in the past. Many Ukrainians would disagree. Regar
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by keldaris 7y ago
> Sounds like the US. Absolutely. Like I said, the only real difference in terms of atrocities abroad is one of capabilities. The U.S. happens to be the overwhelmingly most powerful state since WW2 (arguably since WW1), so it conducts mo
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by keldaris 7y ago
> Why do you presume this? Because every single hegemonic imperial power in human history has a list of atrocities only limited by its reach and time in power. That Russia happens to be a repressive kleptocracy makes it an even safer bet
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by keldaris 7y ago
The only reason Russia comes out okay in your comparison is because it simply lacks the capacity to project power the way the U.S. does - there's only one global superpower, for now. If you look at areas where Russia has had an effecti
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by keldaris 7y ago
The zombie could believe it has free will the same way it holds any other belief - whether it happens to be a delusion is immaterial to whether it's able to hold the belief and there's nothing particularly unique about this partic
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by keldaris 7y ago
I mostly agree with you (with the caveat that pushing for nuclear has different cost/benefit ratios in different parts of the world, the U.S. is merely one extreme), but this is exactly why I pay very little attention to public debate
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Memory Parallelism: AMD Rome versus Intel(lemire.me)
3 points by keldaris 7y ago|0 comments

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