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@EastonMan 看的新闻 +碎碎念 +膜大佬 +偶尔猫猫 | Blog: https://blog.eastonman.com
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Copying data in software is cheap, but it is not at all free. As you start optimizing your code, you might find that copies become a performance bottleneck. Let me be clear that copies really are cheap. It is often more performant to copy that data than to track the same memory across different threads. The case I am interested in is when copies turn a trivial operation into one that is relatively expensive. Recently, the fast JavaScript runtime (Bun) optimized its base64 decoding routines.Base64 is a technique…
Server CPUs have pushed high core counts for a long time, though they way they got high core counts has varied. Bergamo is AMD’s move to increase core counts beyond what scaling up an interconnect can do, by using density focused Zen 4c cores. It’s a strategy with parallels to Intel’s upcoming Sierra Forest and Ampere’s server CPUs. Ampere in particular has shown there’s a market for server chips that prioritize core count, especially with cloud providers that rent compute capacity by the core. More cores lets…
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