Transforms don't execute until the consumer pulls. There's no eager evaluation, no hidden buffering. Data flows on-demand from source, through transforms, to the consumer. If you stop iterating, processing stops.
You generally see two different approaches to Virtual Machine Monitor design depending on the workload. The first is strict minimalism, seen in projects like Firecracker. Built specifically for running thousands of tiny, short-lived functions on a single server, it intentionally leaves out complex features like hot-plugging CPUs or passing through physical GPUs. The goal is simply the smallest possible attack surface and memory footprint.
，这一点在safew官方下载中也有详细论述
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memory.buffer, messageStartIndex, messageLength);