| HighPerformanceCounter | A performance counter that uses the high performance hardware counter on the host machine |
| PerformanceCounter | A performance counter that uses the most accurate measurement APIs available on the host machine |
| PerformanceCounterScope< T > | Performance counter scope class generating template |
| ProcessTimesCounter | A performance counter that provides process-specific performance timings |
| Scope | Performance counter scoping class |
| Semaphore | This class represents a Win32 semaphore synchronisation object |
| SynchException | This class is thrown by synchronisation classes in response to serious failures |
| ThreadTimesCounter | A performance counter that provides thread-specific performance timings |
| TickCounter | A low-cost, low-resolution performance counter |