https://blog.ans20xx.com/tags/nsight-systems/Recent content in Nsight Systems on 安橙的博客Hugo -- 0.163.3zhSat, 20 Jun 2026 00:00:00 +0000https://blog.ans20xx.com/posts/ai/day27/Sat, 20 Jun 2026 00:00:00 +0000https://blog.ans20xx.com/posts/ai/day27/学习训练性能分析的最小闭环:计算 MFU / HFU,用 Nsight Systems 抓一段训练 step,通过 NVTX、CUDA kernel、NCCL timeline 识别 compute、communication 与 pipeline bubble。