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GPGPU is basically "single instruction multiple data" SIMD at thousand cores. Supercomputers have been doing this for decades.

Quantum computing architectures are a whole different beast.

Can you please stop with the thousand cores bullshit? Even in vega 64 there are only 64 cores with 64 ALU each core.

Each core can still only process one instruction stream but if there are multiple threads sharing the same instruction stream they all get executed at once.

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