IPFire 2.25 - Core Update 149 released
We have been busy baking another large update for you which is full of oozy goodness. It includes an updated toolchain based on GCC 10 and glibc 2.32 and we have added a lot of tuning which makes IPFire 33% faster on some systems.
IPFire is based on glibc 2.32, the standard library for all C programs, and GCC 10.2, the GNU Compiler Collection. Both bring various bug fixes and improvements.
The most notable change is that we have decided to remove a mitigation Spectre 2 which caused that user space programs in IPFire were running about 50% slower due to using a microcode feature which is called "retpoline". Those "return trampolines" disable the branch prediction engine in out-of-order processors which was considered to help with mitigating leaking any information from any unaccessible kernel space.
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