Question 430
At the Greystone scientific simulation service, a fixed model and fixed dataset are divided across more GPUs but speedup stalls despite increasing hardware cost. Which statement best identifies the control gap?
Explanation
Correct Answer
The critical gap is that communication and coordination occupy a larger share when fixed work is split among too many devices. At the Greystone scientific simulation service, correcting that gap requires the team to measure strong-scaling efficiency rather than assuming speedup rises linearly with GPU count.
Incorrect Answers
That statement concerns elastic inference replicas; here the reported facts point to a different issue: communication and coordination occupy a larger share when fixed work is split among too many devices. For the Greystone scientific simulation service, the priority is to measure strong-scaling efficiency rather than assuming speedup rises linearly with GPU count.
This explanation belongs to data residency workload placement. The immediate weakness in the question is that communication and coordination occupy a larger share when fixed work is split among too many devices. For the Greystone scientific simulation service, the priority is to measure strong-scaling efficiency rather than assuming speedup rises linearly with GPU count.
Although congestion marking can provide earlier feedback than loss-only detection when configured end to end, the situation does not describe that specific cause; it instead indicates that communication and coordination occupy a larger share when fixed work is split among too many devices. For the Greystone scientific simulation service, the priority is to measure strong-scaling efficiency rather than assuming speedup rises linearly with GPU count.