[-] __dev@lemmy.world 17 points 1 week ago

The original debate from the 80s that defined what RISC and CISC mean has already been settled and neither of those categories really apply anymore. Today all high performance CPUs are superscalar, use microcode, reorder instructions, have variable width instructions, vector instructions, etc. These are exactly the bits of complexity RISC was supposed to avoid in order to achieve higher clock speeds and therefore better performance. The microcode used in modern CPUs is very RISC like, and the instruction sets of ARM64/RISC-V and their extensions would have likely been called CISC in the 80s. All that to say the whole RISC vs CISC thing doesn't really apply anymore and neither does it explain any differences between x86 and ARM. There are differences and they do matter, but by an large it's not due to RISC vs CISC.

As for an example: if we compare the M1 and the 7840u (similar CPUs on a similar process node, one arm64 the other AMD64), the 7840u beats the M1 in performance per watt and outright performance. See https://www.cpu-monkey.com/en/compare_cpu-amd_ryzen_7_7840u-vs-apple_m1. Though the M1 has substantially better battery life than any 7840u laptop, which very clearly has nothing to do with performance per watt but rather design elements adjacent to the CPU.

In conclusion the major benefit of ARM and RISC-V really has very little to do with the ISA itself, but their more open nature allows manufacturers to build products that AMD and Intel can't or don't. CISC-V would be just as exciting.

[-] __dev@lemmy.world 11 points 3 months ago

Polestar uses contracts and audits to ethically source materials, not blockchain. It uses blockchain as a shitty append-only SQL database to (apparently) tell you where the materials came from. Let me quote from Circulor's website:

data can be fed seamlessly to the blockchain via system integration using RESTful Web Service APIs with security and authentication protocols

So the chain is private and accessible only through a centralized, authenticated REST API. This is a traditional web application. A centralized append-only ledger is not even a blockchain.

[-] __dev@lemmy.world 20 points 4 months ago

He immediately got charged under the Espionage Act. If he didn't leave or if he came back he'd be tried, without a jury, and get either life in prison or the death penalty.

[-] __dev@lemmy.world 17 points 5 months ago

It's a natural result of their election system. First-past-the-post strongly disincentivizes third parties from running due to the "spoiler effect" - say there was a similar candidate to Biden that was pro-Palestine, any votes for this candidate take away votes from Biden thus making it easier for Trump to win. Most people don't align with either party, but they don't get much of a choice.

[-] __dev@lemmy.world 32 points 6 months ago

TLDs are valid in emails, as are IP V6 addresses, so checking for a . is technically not correct. For example a@b and a@[IPv6:2001:db8::1] are both valid email addresses.

[-] __dev@lemmy.world 11 points 8 months ago

Mesa isn't a kernel driver. AMDGPU is the name of the kernel module and it's primarily developed by AMD. Mesa provides OpenGL, Vulkan, etc. implementations and is funded by AMD, Intel and Valve (among others). There's also AMDGPU-PRO which is a proprietary alternative to Mesa from AMD.

[-] __dev@lemmy.world 10 points 9 months ago

So you push digital goods to a robust public platform like IPFS and tie decryption to a signed, non-revokable, rights token that you own on a block chain.

What you describe is fundamentally impossible. In order to decrypt something you need a decryption key. Put that on the blockchain and anyone can decrypt it.

Even if you can, pirates would only need to buy a single decryption key and suddenly your movie might as well be freely available to download. Pirates never pay hosting fees because it's using the same infrastructure as customers and they can't be taken down because they're indistinguishable from customers.

[-] __dev@lemmy.world 36 points 9 months ago

Adding blockchain into the mix changes nothing. Whether your digital ownership is stored in their centralized database or a distributed database, they still have control over everything because they're the ones streaming it to you. They can just as well block your access & block resale.

The only way to actually digitally own something is to have a full DRM-free copy of it (ianal though this still might not be enough to allow resale).

[-] __dev@lemmy.world 16 points 9 months ago

In recent memory I've had both a microphone driver bug in Linux and one in macOS with specific hardware. Only one of them was fixed with an update.

[-] __dev@lemmy.world 24 points 9 months ago

You'd need to collect the condensate, but that would actually work quite well.

[-] __dev@lemmy.world 10 points 9 months ago

If you factor calorie intake of the bike rider you need to do the same for other forms of transportation. And if you account for the amount of exercise people are supposed to get to stay healthy there's no additional calorie intake whatsoever.

[-] __dev@lemmy.world 27 points 10 months ago

They’re handing out magic beans with the selling point being that they can’t take them away from you once you get them.

And that's not even true in any practical sense. If reddit decides that the token in your crypto wallet is invalid, then it'll stop working on reddit. And since they're the only issuer every possible use is going to be tied to reddit in some sense.

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