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In practice, Clang is a drop-in replacement for GCC. [24] Clang's developers aim to reduce memory footprint and increase compiling speed compared to other compilers, such as GCC. In October 2007, they report that Clang compiled the Carbon libraries more than twice as fast as GCC, while using about one-sixth GCC's memory and disk space. [25]
Whether particular optimizations can and should be applied may depend on the characteristics of the target machine. Some compilers such as GCC and Clang parameterize machine-dependent factors so that they can be used to optimize for different machines. [7] Target CPU architecture. Number of registers: Registers can be used to optimize for ...
Mingw-w64 includes a port of the GNU Compiler Collection (GCC), GNU Binutils for Windows (assembler, linker, archive manager), a set of freely distributable Windows specific header files and static import libraries for the Windows API, a Windows-native version of the GNU Project's GNU Debugger, and miscellaneous utilities.
Whole program optimization (WPO) is the compiler optimization of a program using information about all the modules in the program. Normally, optimizations are performed on a per module, "compiland", basis; but this approach, while easier to write and test and less demanding of resources during the compilation itself, does not allow certainty about the safety of a number of optimizations such ...
In computer programming, profile-guided optimization (PGO, sometimes pronounced as pogo [1]), also known as profile-directed feedback (PDF) [2] or feedback-directed optimization (FDO), [3] is the compiler optimization technique of using prior analyses of software artifacts or behaviors ("profiling") to improve the expected runtime performance of the program.
Some features of C11 are supported by the GCC starting with version 4.6, [16] Clang starting with version 3.1, [17] IBM XL C starting with version 12.1, [18] and Microsoft Visual C++ starting with VS 2019 (16.8) [19] in September 2020.
The AMD Optimizing C/C++ Compiler (AOCC) is an optimizing C/C++ and Fortran compiler suite from AMD targeting 32-bit and 64-bit Linux platforms. [1] [2] It is a proprietary fork of LLVM + Clang with various additional patches to improve performance for AMD's Zen microarchitecture in Epyc, and Ryzen microprocessors.
GCC has had complete support for C++17 language features since version 8. [48] Clang 5 and later supports all C++17 language features. [49] Visual Studio 2017 15.8 (MSVC 19.15) and later supports all C++17 language features. [50] [51]