Performance is a measure of how efficiently a system completes its work, commonly expressed through throughput, latency, and resource usage.
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- In computing, performance is characterised by metrics including latency, the time to complete a single operation, and throughput, the number of operations completed per unit time. Resource utilisation of processors, memory, and network is also tracked.
- Performance work involves measuring against defined targets and identifying bottlenecks, often using profiling and observability data to locate where time or resources are consumed.