glibc 2.30 is out! From an IBM Z perspective, this release contains arch13 specific optimizations for functions strstr, memmem and memmove for better performance. These optimizations were implemented using ifunc, taking advantage of the latest available hardware features if available and if a respective Linux kernel is run.
Likewise, the HWCAP flags vx, vxe and vxe2 are now marked as important HWCAP flags, which allows for differently tuned shared libraries. glibc will automatically choose the best available option depending on the availability of those libraries and the corresponding HWCAP flags.
See this post for general news and a summary of bugfixes, and the release wiki for further details on architecture specific build and test results, as well as general packaging changes.
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