What is CPU time?
The total time the CPU spent executing a program's instructions, excluding waits; with parallel execution it can exceed wall-clock time.
Field: Performance Analysis
CPU time in the explanations
CPU time is the total time the CPU spent executing the program's instructions.
What is the difference between wall-clock time and CPU time?If the lock is held for long, all that CPU time is wasted and other threads are held back.
In which situation is a spinlock least suitable?
Questions that mention CPU time (2)
Related terms
Wall-clock time Spinlock Mutex Benchmark Cycles per instruction (CPI) Flame graph Geometric mean Gustafson's law Harmonic mean Little's law