How does this handle PCIe lane switching? The HA0 has 10x x16 slots, but 2x sockets will only get you 96 lanes total. Seems like they'd be overcommitting GPUs to a certain extent.
It wouldn't increase lane count, only enable multiplexing to the existing 96 lanes right? So there would still be contention if all the GPUs were maxing out their x16's.
It wouldn't increase lane count to the CPU, no. I do however think it increases bandwidth *between* the GPUs, depending on their locations relative to the switch.
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drexnx - Thursday, May 10, 2018 - link
...how many sol/s in equihash? what's the sols/watt?dolphin2x - Thursday, May 10, 2018 - link
How does this handle PCIe lane switching? The HA0 has 10x x16 slots, but 2x sockets will only get you 96 lanes total. Seems like they'd be overcommitting GPUs to a certain extent.MajGenRelativity - Thursday, May 10, 2018 - link
They could have a PLX chip to increase the PCIe lane count availabledolphin2x - Thursday, May 10, 2018 - link
It wouldn't increase lane count, only enable multiplexing to the existing 96 lanes right? So there would still be contention if all the GPUs were maxing out their x16's.MajGenRelativity - Thursday, May 10, 2018 - link
It wouldn't increase lane count to the CPU, no. I do however think it increases bandwidth *between* the GPUs, depending on their locations relative to the switch.dolphin2x - Thursday, May 10, 2018 - link
Thanks for your response!