Observability & Evaluation · Software component
Kernel Profiler
Software componentObservability & EvaluationObservability & Evaluationarc:KernelProfiler
An exhaustive profiler that instruments individual accelerator kernels at instruction granularity to expose intra-kernel inefficiencies.
Responsibility. Analyzes individual kernel execution at instruction granularity.
Also known as: Kernel-level profiler, Exhaustive kernel instrumentation
Variant of Performance Profiler abstract
When to choose. Choose only for controlled deep-dive optimization of individual kernels (warp divergence, memory access, register use); its 10-100x slowdown precludes continuous production use.
Relationships
is constrained by control
monitors assurance
- Attention Kernel abstract Ch4.4
alternative to variability
Design guidance
- SHOULD NOT be used for routine production monitoring; reserve for scheduled, controlled debugging sessions.
Quantitative guidance
As stated by the sources; verify before use.
- Slows workloads by 10-100x (Ch4.4).
Classification
- Technologies
- NVIDIA Nsight Compute
- Quality attributes
- Maintainability (ISO/IEC 25010)
Sources
- Ch4.4: T. Nguyen, "Performance Profiling and Optimization," in Mastering Agentic AI Systems: Guide for the NVIDIA NCP-AAI Exam, 1st ed. 2026, ch. 4.4. ISBN: 9798244538229.