Chinese mining motherboard with any xeon cpu (because of abundance of PCI lanes in cpu) and 12x16gb nvidia p100 and nvlink bridges (p40 gives 24gb of vram but doesn’t have nvlink capabilities and slower gddr5 memory, p100 have hbm memory on the contrary which is good for llm) and 8x64gb ddr4 ecc ram, if you buy gpus from ebay and other components such as motherboard, CPU, ram, and ssd from AliExpress it comes quite cheap
Mining boards give about 1-2 pci lanes per gpu because there’s a lot of gpus, also look up Nvidia mining gpus, they restricted to pcie x1 or/and x4 even if you put them into x16 slot
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Not sure about the setup, but I believe 7600XT would be the best buy, it has 16GB VRAM and it’s supported now
I’m using rocm with ollama and it works out of the box on 6900XT
Chinese mining motherboard with any xeon cpu (because of abundance of PCI lanes in cpu) and 12x16gb nvidia p100 and nvlink bridges (p40 gives 24gb of vram but doesn’t have nvlink capabilities and slower gddr5 memory, p100 have hbm memory on the contrary which is good for llm) and 8x64gb ddr4 ecc ram, if you buy gpus from ebay and other components such as motherboard, CPU, ram, and ssd from AliExpress it comes quite cheap
Aren’t those all old-ish sockets with Xeons that top out at like 40 PCIe lanes?
Problem is, new i7/i9 top out at 24 pcie lanes so old xeons is still bang for the buck in homelab sector
Mining boards give about 1-2 pci lanes per gpu because there’s a lot of gpus, also look up Nvidia mining gpus, they restricted to pcie x1 or/and x4 even if you put them into x16 slot
You could try llamaCPP, I think its configured to run better on cpu’s