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well, related: fractional GPUs to multiplex workloads for aggregate utilization have been a topic for some time with no definite (NVIDIA) solutions for it: http
by semessier 1y ago
well, related: fractional GPUs to multiplex workloads for aggregate utilization have been a topic for some time with no definite (NVIDIA) solutions for it: https://vhpc.org https://vhpc.org
- charles_irl 1y agoWe looked into this at Modal! We put out vGPUs but didn't see demand and our internal benchmarks for MPS and Green Contexts didn't indicate a big win. The tricky thing here is that many GPU workloads saturate at least one of the resources on the GPU -- arithmetic throughput, memory bandwidth, thread slots, registers -- and so there's typically resource contention that leads to lowered throughput/increased latency for all parties. And in a cloud (esp serverless/auto-scaling) computing context, the variety of GPU SKUs means you can often more easily right-size your workload onto whole replicas (on our platform, from one T4 up to 8 H100s per replica).