dfbrown

7 ms·

1.
by dfbrown 13d ago
One of my big questions since the HuggingFace incident is whether OpenAI would have been so forthcoming (the independent METR report, the Black Hat talk, OpenAI’s own report) if the incident had been discovered internally and not publicly.
2.
by dfbrown 9mo ago
Their collaborator's report includes a more significant issue, an RCE on a mintlify server: https://kibty.town/blog/mintlify/
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by dfbrown 3y ago
How real is it though? This blog post says In this post, we’ll explore some of the prompting approaches we used in our Hands on with Gemini demo video. which makes it sound like they used text + image prompts and then acted them out in th
4.
by dfbrown 5y ago
"The orders instruct him to not make public any information that would identify A.B., or the medical professionals involved, to call A.B. by the child’s preferred name and gender pronoun, and to not share his opinions of the case publi
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by dfbrown 6y ago
There are two separate things here, interpenetration due how contacts/constraints are solved, and whether you do continuous collision sub-stepping or not. For stability and performance reasons physics engines usually have parameters th
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by dfbrown 7y ago
All but two state's electoral votes are decided by the result of the popular vote in that state, congressional districts have no effect on that. Local and proportional representation is the main reason for having the house of represent
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by dfbrown 8y ago
No, ranges in C++ are analogous to the iterator trait in rust
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by dfbrown 8y ago
I'm not an expert in the topic, but my understanding is RGB is a poor color space for computing color difference. This could be why your mosaics end up so washed out. [1] suggests using a CIELAB color space [2]. Edit: Looking at the co
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by dfbrown 8y ago
In addition, in Tim's post on the python mailing list he says he developed the algorithm after reading through a number of papers on sorting[1]. So while the algorithm was developed with the goal of being practical, plenty of academic
10.
by dfbrown 8y ago
Worth noting that ucontext is quite slow (at least on linux): https://www.boost.org/doc/libs/1_67_0/libs/context/doc/html/...
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by dfbrown 9y ago
C library public headers are commonly two levels deep to so that projects using them can add the "include" directory to their header search path and in their code have #include "<libname>/header.h". It helps a
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by dfbrown 9y ago
Your rotation widget is nonstandard compared to most other 3D editors. See for example Blender[1] or Maya's[2] widgets (which are both basically the same). It's also kind of confusing as it seems like pulling one axis' rotat
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by dfbrown 10y ago
I would try unrolling 2-4 iterations of the loop. Multiple sequential loads isn't much slower than a single load, so batching your loads and stores together will let you do more arithmetic operations for each time you hit memory.
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by dfbrown 10y ago
Depending on the latitude sunset might be when people just start to get off work, or it might be well after dinner. Times have more semantic meaning than just the position of the sun.
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by dfbrown 10y ago
Timezones are useful because they let us answer the question "what point in the day is it at <location>." People's schedules are more or less aligned around local sunrise and sunset so knowing what time of day it is at
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by dfbrown 10y ago
I'm not a fan of 0 (zero) having rounded sides and O having straight sides, I think it should be the other way around.
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by dfbrown 10y ago
In LAPACK you would use dgetrs to solve for x directly with the LU factorization.
18.
by dfbrown 10y ago
Also for the 3d every direction needs to be visible by at least 2 cameras.
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by dfbrown 11y ago
I don't think they're textured cubes, each larger cube is made up of a grid of individual voxels, each with a single color.
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by dfbrown 11y ago
thewirecutter.com also has ads
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by dfbrown 11y ago
Despite the fact that signed overflow/underflow is undefined behavior I'm pretty sure that many more bugs have resulted from unsigned underflow than signed overflow or underflow. When working with integers you're usually work
22.
by dfbrown 11y ago
How is it more difficult to control what people say on USENET than on the internet at large?
23.
by dfbrown 11y ago
I think it's more likely because Unity has been targeting the smaller dev market since it began, while Unreal only seriously started targeting that market earlier this year with its free version.
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by dfbrown 11y ago
Since you're using the auto-tuned index for FLANN it's going to build a large number of indexes to try and find the best performing one, which can take a long time. Properly tuned I would expect FLANN to be much faster (though t
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by dfbrown 11y ago
I would imagine the crunch is significantly lower on a game engine as opposed to a game where you are usually contractually obligated with your publisher to release a final product on a specific date.
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by dfbrown 11y ago
I read the entire 5 pages and I have absolutely no idea what this company is selling
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by dfbrown 11y ago
I think the simplest way to do stuff like this is to build up an iterated copy of the previous state and once done replace the old state with the new one. Iterating isn't modifying the current state, it's generating the next state
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by dfbrown 11y ago
An optimizing compiler may not be better than me at optimizing hot code paths, but my time is a very limited resource. The compiled version may only be 75% as fast as my hand optimized version, but writing that hand optimized version will
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by dfbrown 12y ago
Modern sports games usually need the same stats from a simulated game as they would get from a played game so simulating is often just running a stripped down version of a full game.
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by dfbrown 12y ago
It's not a 1 in a million chance for each record, it's a one in a million chance of their being a collision in the entire set of 100 million records. So for every million sets of 100 million records you generate you'll get on

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