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In C++11, this technique is known as generalized constant expressions (constexpr). [2] C++14 relaxes the constraints on constexpr – allowing local declarations and use of conditionals and loops (the general restriction that all data required for the execution be available at compile-time remains).
64-bit and 32-bit applications, C, C++, .NET, and dlls generated by any language compiler. Performance and memory profiler that identifies time-intensive functions and detects memory leaks and errors. Proprietary gprof: Linux/Unix Any language supported by gcc: Several tools with combined sampling and call-graph profiling.
Profilers interrupt program execution to collect information, which may result in a limited resolution in the time measurements, which should be taken with a grain of salt. Basic block profilers report a number of machine clock cycles devoted to executing each line of code, or a timing based on adding these together; the timings reported per ...
In software engineering, code coverage, also called test coverage, is a percentage measure of the degree to which the source code of a program is executed when a particular test suite is run. A program with high code coverage has more of its source code executed during testing, which suggests it has a lower chance of containing undetected ...
An experiment done in 1996 indicates that approximately 6–13% of execution time is spent simply dispatching to the correct function, though the overhead can be as high as 50%. [5] The cost of virtual functions may not be so high on modern CPU architectures due to much larger caches and better branch prediction.
A multi-platform tool for code analysis and comprehension of large code bases. Can recognize multiple dialects of C, C++ and C# like ANSI, K&R and Objective C++. Visual Expert: 2021-09-10 No; proprietary — — — — — — PowerBuilder, Oracle PL/SQL, SQL Server Transact-SQL (T-SQL)
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The effort measure translates into actual coding time using the following relation, Time required to program: T = E 18 {\displaystyle T={E \over 18}} seconds Halstead's delivered bugs (B) is an estimate for the number of errors in the implementation.