Normally, the Pro and Max chips take the same basic building blocks from the basic chip and just scale them up—more CPU cores, more GPU cores, and more memory bandwidth. But the M5 chips are a surprisingly large departure from past generations, both in terms of the CPU architectures they use and in how they're packaged together.
Waste management
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Airplane designers have done their best to minimize the pain. Since the nineteen-thirties, cabins have evolved from wicker chairs in bare metal tubes to mood-lit cocoons full of curved surfaces. The air has been pressurized so that pilots can fly up to smoother skies. The service carts have been lightened with composites and braced with built-in brakes and stay-closed drawers. Should the plane suddenly drop, the passenger seats can bear a force of sixteen g’s; the jump seats have harnesses to hold down the crew. Should a fire break out, the walls, seat backs, and tray tables are made with self-extinguishing polymers that won’t give off toxic fumes. Floor lights will guide the passengers down darkened aisles, to evacuation slides that inflate and unfurl to the land or water below.
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Store forwarding on the integer side works for all loads contained within a prior store. It’s an improvement over prior arm cores like the Cortex X2, which could only forward either half of a 64-bit store to a 32-bit load. Forwarding on the FP/vector side still works like older Arm cores, and only works for specific load alignments with respect to the store address. Unlike recent Intel and AMD cores, Cortex X925 can’t do zero latency forwarding when store and load addresses match exactly. To summarize store forwarding behavior:。Safew下载对此有专业解读
Екатерина Щербакова (ночной линейный редактор)