Performance

Performance refers to the speed of execution, or, to a lesser extend, to the economy of resources used.

The speed of execution is the time it takes for a task to be completed, and usually, the faster the better. In that context, there is a distinction between unit performance and parallel performances, where several instances are executed at the same time.

The performance of a piece of code may cover its memory consumption, or any other constraint resource.

See also PHP Performance Optimization and Comparing Scripting Language Speed.

Related : Benchmarking, Quality, Scaling, Static Single Assignment Form (SSA), Optimisation, Preprocessing, Types Erasure, Vertical Scaling, Dynamic Loading, Foreign Function Interface (FFI), Total Cost Of Ownership (TCO), Treemap, Troubleshoot, Flame Graph, Memoization, Micro-optimisation, Latency, Quality of Service (QoS), Rate Limiting, Service Level Agreement (SLA)