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To avoid the two memory reads on every access, the 386 includes a 32-entry Translation Lookaside Buffer (TLB) organized as 8 sets with 4 ways each. Each entry stores the virtual-to-physical mapping along with the combined PDE+PTE permission bits.
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How riders responded to the price increases
按照较为传统的算力基础设施五年折旧周期来计算，大约对应1400亿美元的AI销货成本，这对AI行业目前的ARR（年度经常性收入）来说是天文数字。虽然OpenAI预计2026年ARR能够突破450亿美元，Anthropic也有望达到类似规模，但这两巨头本身的市占比已接近八成，即使不考虑利润，行业的净收入也很难支撑资本开支。
Just like last year's Nothing Phone 3a and 3a Pro, the 4a and the 4a Pro are both mid-rangers in spirit, but the Pro isn't the same phone with slightly stronger specs. Instead, it has a completely different design and some unique features that are new to the brand.