GNU: GLIBC and GCC News
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Recent GNU* C library improvements
As technology advancements continue, the core technology must be updated with new ideas that break paradigms and enable innovation. Linux* systems are based on two main core technologies: the Linux Kernel project and the GNU C Library (GLIBC) project. The GLIBC project provides the core libraries for the GNU system and GNU/Linux systems, as well as many other systems that use Linux as the kernel. These libraries provide interfaces that allow programs to manipulate and manage files, memory, threads and other operating system objects. The release of GLIBC version 2.27 marks a new step on the Linux technology roadmap, with major new features that will allow Linux developers to create and enhance applications. This blog post describes several key new features and how to use them.
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What Makes GLIBC 2.27 Exciting To The Clear Linux Folks
Released at the beginning of February was Glibc 2.27 and it's comprised of a lot of new features and performance improvements. But what's the best of Glibc 2.27?
One of the Clear Linux developers at Intel, Victor Rodriguez Bahena, put out a blog post this week outlining some of the most exciting features for this GNU C Library update. While most Linux distributions tend to be conservative in rolling out new GLIBC updates, Clear Linux is already on v2.27 and even had back-ported some of the performance patches prior to the official 2.27 debut.
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GCC 8 Will Let You -march=native Correctly On ARM/AArch64
Linux developers and enthusiasts on x86_64 have long enjoyed the ability to use the -march=native option for having the GCC compiler attempt to auto-detect the CPU and set the appropriate microarchitecture flags. That support is finally being offered up for ARM with GCC 8.
This week -march=native now works on AArch64 as well as for ARM in general too.
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