Huawei Seeks Independence from the US with RISC-V and Ascend Chips

Re:Huawei Seeks Independence from the US with RISC-V and Asc... by Retric on Monday August 26, 2019 @05:02PM (#20803741)

The biggest issue is lack of huge caches, and the extreme latency to main memory due to the speed of light.

GPU’s are fine or even better for a wide range of compute tasks see CUDA etc, they just end up being very slow at a subset of common tasks.

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Re:Huawei Seeks Independence from the US with RISC-V and Asc... by hermitdev on Monday August 26, 2019 @11:54PM (#20806210)

Circuits don't operate at speed of light, though. People like to say this over and over again, but electron mobility through a circuit is only around 2/3s the speed of light, IIRC. They may have very tiny mass, but they still have mass.

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Re:Huawei Seeks Independence from the US with RISC-V and Asc... by jabl on Tuesday August 27, 2019 @03:16AM (#20807005)

No, it's the electromagnetic field which propagates at around 2/3c in the conductor. The electron drift velocity is on the order of a fraction of a mm/s.

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Re:Huawei Seeks Independence from the US with RISC-V and Asc... by mycall on Tuesday August 27, 2019 @01:17AM (#20806541)

It is the mass in the electrons that creates the heat.

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