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by stephen999
1726 days ago
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It’s much slower. GPU single thread performance is very slow. Unless you are doing some specialized operation that has a special instruction on GPU, it will be slower. GPU clock speeds are lower in general and the CPU has a much wider super scalar pipeline. Can be 4-8 wide vs single or double wide for most GPUs. It also has many latency-hiding techniques for a single thread. The GPU has none, it uses multiple threads to hide latency. |
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