print_matrix("A (2x3)", a);
他们在车门边互相说一句“注意安全”，然后各自上车，驶入路灯照亮的街道。
。黑料对此有专业解读
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Thus, while certain portions of the Baochip-1x SoC are closed-source, none of them are involved in the transformation of data. In other words, all the closed source components are effectively “wires”: the data that goes in on one side should match the data coming out the other side. While this is dissatisfying from the “absolute trust” perspective, one can’t definitively rule out the possibility of back doors in black-box wires, we can inspect its perimeter and confirm that, for a broad range of possibilities, it behaves correctly. It’s not perfect transparency, but it’s far better than the fully-NDA SoCs we currently use to handle our secrets, and more importantly, it allows us to start writing code for open architectures, paving a roadmap to an eventually fully-open silicon-to-software future.