What is Profiler?
A tool that measures which functions or parts of a program consume execution time, using sampling or instrumentation.
Field: Performance Analysis
Profiler in the explanations
A profiler measures and displays time and call counts per function, and even per line or instruction.
What is the purpose of using a profiler when improving prog…A sampling profiler uses timer or performance-counter interrupts to record the executing instruction's location (and call stack), for example thousands of times per second.
What characterizes a sampling profiler?A stylus profiler drags a fine stylus across the surface with a small constant force and measures step heights and waviness from its vertical displacement.
Which instrument traces a sample surface with a fine stylus…
Questions that mention Profiler (8)
- What is the purpose of using a profiler when improving program performance?
- What characterizes a sampling profiler?
- Which instrument traces a sample surface with a fine stylus and measures step heights and surface shape from the stylus's vertical motion?
- Which statement about GPU occupancy is correct?
- Which lesson about how to approach performance improvement follows best from Amdahl's law?
- In program performance analysis, what is a hotspot?
- What is the most appropriate way to proceed when improving program performance?
- When analyzing the performance of a GPU program, what is the most appropriate thing to check first?
Related terms
Amdahl's law CMP AFM (atomic force microscope) GPU occupancy GPU Benchmark CPU time Cycles per instruction (CPI) Flame graph Geometric mean