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Joined 1 year ago
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Cake day: June 10th, 2023

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  • That’s exactly how you guesstimate CPU performance. It obviously won’t be accurate to real life use cases, but you don’t necessarily need benchmarks to get a ballpark comparison of raw performance. The standard comparison is FLOPS, floating point operations per second. Yes different architectures have different instruction sets, but they’re all relatively similar especially for basic arithmetic. It breaks down with more complex computations, but there’s only so many ways to add two numbers together.






  • Funnily enough, the Rivian CEO talks about exactly that in this interview

    In that scenario, we would be using one ECU to do everything I just described. In this case, it’s a much larger computer, but one computer. It’s a massive simplification for how we think about software development and also drives a lot of cost out of the vehicle because instead of 70 to 80 little boxes — little computer boxes with wiring and connectors and everything else — we have, in our case, seven.

    So when one small thing stops working, you now have to buy their proprietary, expensive ECU instead of a cheap little microcontroller.







  • The worst for me was with the Nexus 6P, the last phone before they rebranded to Pixel. There was a known issue with the battery, where it would die when the phone said it was at like 50%. I jumped through all their troubleshooting hoops when it was obviously a hardware issue. They eventually agreed to send out a replacement and I was assured it wouldn’t have the issue. Lo and behold, it did the exact same thing as soon as I got it. I went through all the trouble shooting again and they sent ANOTHER replacement that still had the issue. I was so fed up and just kept requesting to talk to someone higher up and they eventually just sent me a Pixel 1 to shut me up.