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You are part of a team that is setting up an AI infrastructure using NVIDIA's DGX systems. The infrastructure is intended to support multiple AI workloads, including training, inference, and dataanalysis. You have been tasked with analyzing system logs to identify performance bottlenecks under the supervision of a senior engineer. Which log file would be most useful to analyze when diagnosing GPU performance issues in this scenario?
Correct Answer: B
NVIDIA GPU utilization logs from nvidia-smi are most useful for diagnosing GPU performance issues on DGX systems. These logs provide real-time metrics (e.g., utilization, memory usage, processes), pinpointing bottlenecks like underutilization or contention. Option A (network logs) aids distributed issues, not GPU- specific ones. Option C (kernel logs) tracks system events, not GPU performance. Option D (application logs) focuses on software, not hardware. NVIDIA's DGX troubleshooting guides prioritize nvidia-smi for GPU diagnostics.