bri3d

49 ms·

691.
by bri3d 2y ago
Only on Android, for what it's worth; most "vanilla" Linux aarch64 linkers chose 64K defaults several years ago. But yes, most Android applications with native (NDK) binaries will need to be rebuilt with the new 16kb max-page
692.
by bri3d 2y ago
Generic RV32I code is comically bad, since it doesn't even have things like hardware multiply. Regardless, I was wrong about the way RISC-V options work on LLVM and it's fine; I was under the impression from "I'm of the
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by bri3d 2y ago
That was already true given that the main RP2350 cores are just normal Cortex-M33s. The Hazard3 cores are just selectable replacements, and this is mostly just adding support for the specific set of RISC-V oddities taped out into Hazard3 on
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by bri3d 2y ago
The big issue with VLIW (or VLIW-adjacent) architecture for practical modern use cases is preemptive multitasking or multi tenancy. As soon as any assumptions about cache residency break, the whole thing crumbles to dust. That’s why VLIW is
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by bri3d 2y ago
There are several functionalities provided by these systems: * System Control Processing. This means that the PSP / ME handle early boot (bringup) and peripheral management, especially in low-power and sleep modes. So from a "popu
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by bri3d 2y ago
No. You're relying on the OS's sandboxing features, which are much, much more granular than just "the same user running the browser." https://chromium.googlesource.com/chromium/src/+/HEAD&#
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by bri3d 2y ago
This "switchable cores" thing has been appearing in some products for a few years now, for example Sipeed SG2002 (LicheeRV). The area occupied by the actual instruction core is usually pretty small compared to peripherals and inte
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by bri3d 2y ago
The Habibi key is generated by patching the Microsoft key to be divisible by 3, making it quite easy to factor indeed. The private key can be trivially recovered from the public key, and there was nothing really to release or leak. It was b
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by bri3d 2y ago
The layers don't really matter. Any side-effect or implementation detail (especially in a language with an optimizing compiler) is not a good protection against side channel attacks. Where Rust (and most languages with a robust type sy
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by bri3d 2y ago
Many (most) devices with secure boot have hardware fuses, but the software that reads them is usually broken. Rust and an eye towards sound cryptographic primitives (especially against side channels) will definitely go a distance towards pr
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by bri3d 2y ago
I use HxD in Wine because I can't find anything that works better. I use and really like Imhex for what it is but it's a different kind of tool imho - more of a plugin canvas for analysis than just a hex editor with some bells and
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by bri3d 2y ago
Yes. Until recently though, spraying by drone was a near impossible permitting nightmare (now it’s only a minor permitting nightmare) and was inefficient because you needed a Part 107 pilot and a Visual Observer for each individual drone. B
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by bri3d 2y ago
I'm quite familiar with this space, thanks :) DJI drones are being used in significantly lower quantities as "base stations" and long-range reconnaissance applications, with the occasional bomb-dropping side run. FPV drones a
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by bri3d 2y ago
High volume single-use drones and DJI drones are almost completely orthogonal in terms of technology, production, and procurement. The only thing they really share is MEMS gyroscopes and brushless motor windings. Making a million FPV bomb d
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by bri3d 2y ago
This. The Pi is a great little real world <-> computer interface. The hat ecosystem is really cool. Using one as a general computer is foolish. Unfortunately each Pi generation seems to move more towards the computer case and away fro
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by bri3d 2y ago
This - I’ve had this same experience in both the FP, middle ground (Kotlin, Scala, etc.) and Rust space. It’s not FP, it’s that some engineers are interested in business goals and others are interested in conceptual goals. Those who are int
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by bri3d 2y ago
I think the issue here is the overloaded use of the term "structuring." If I think I might be doing something that antitrust regulators won't like, so I hire a lawyer to tell me what I can do, and they tell me "you can b
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by bri3d 2y ago
The Lock Screen displays what you ask it to. When you mark a phone as Lost or perform a Remote Erase, you can push down your contact data if you'd like (ie - if you think a "friendly" found the phone and you want it back), or
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by bri3d 2y ago
The Activation Lock remains if you use Remote Erase - all documented on Apple's site: https://support.apple.com/en-us/108794 Only Remove Device specifically deactivates Activation Lock.
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by bri3d 2y ago
I think another huge issue is the combination of general-purpose/multi-tenant computing, especially with virtualization in the mix, and cache. Improvements gained from masking memory latency by issuing instructions from more thread exe
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by bri3d 2y ago
There are several issues with RealPage versus something like a public-data analytics tool: * RealPage actively suggests a price for each unit without exposing the underlying fundamentals to the customer, rather than displaying aggregate dat
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by bri3d 2y ago
DJI spray drones are quite an old idea, a much better value than Hylio drones, and very popular in China. They're especially favored in smaller-acerage targeted application scenarios like orchards as well as specialty applications like
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by bri3d 2y ago
To nitpick a bit > WSL runs Linux programs under a different kernel by replicating the syscall interface Only WSLv1 did this. WSL 2 is very boring architecturally, it just runs a full Linux machine in a HyperV VM domain.
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by bri3d 2y ago
Wow, that's ridiculous. I bought two racks of Origin2000 with a friend in high school and that was enough logistic overhead for me! I can't imagine 72 racks!! Installing IRIX doesn't require CDs; it's much, much easier d
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by bri3d 3y ago
What do you think the difference between a pop rivet and a blind rivet is? There are different types of blind rivet fastening systems with different properties, but the words are absolutely used interchangeably. Also, blind rivets are used
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by bri3d 3y ago
I've never heard of a parent being concerned about console mods, of all things, and I (as a parent) don't really buy this angle. The original Xbox's weak parental controls could be bypassed by pressing X Y Left Trigger X, a t
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by bri3d 3y ago
I'm a bit skeptical that this in particular is a major issue, for the sole reason that fuselage joint shims, tolerances, bends, and fasteners on the 787 have been under a ridiculous level of scrutiny since 2019 and earlier: https:&#x2
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by bri3d 3y ago
They're generally integrated units - see Bosch 420907637. They used to use discrete piezo / ceramic vibrator rate sensors in the "ESP sensor unit," but I think these days they use MEMS gyro/accelerometer combination
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by bri3d 3y ago
There are a variety of snow-driving schools throughout the world, most cheaper (although you're not driving a Lambo). The Bridgestone Winter Driving School in Steamboat (Toyota) is very fun and much more affordable.
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by bri3d 3y ago
There are two major original Xbox emulators - cxbx/cxbx-reloaded, which originally tried to do both LLE and HLE but these days does exclusively high-level emulation like you are describing, and xemu (this one), which does mostly low-le

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