Open-source News

Go 1.25 Released With Experimental GC Yielding 10~40% Overhead Reduction

Phoronix - Wed, 08/13/2025 - 08:15
Go 1.25 is out today as the newest half-year update to this popular programming language. What I find most exciting with Go 1.25 is the new experimental garbage collector yielding 10~40% reduction in overhead...

Linux Address Space Isolation "ASI" Revived After Lowering 70% Performance Hit To 13%

Phoronix - Wed, 08/13/2025 - 04:53
Several years ago Google engineers began exploring address space isolation for the Linux kernel and ultimately proposing Linux ASI for better dealing with CPU speculative execution attacks. While the hope was it would better cope with the ever growing list of CPU speculative execution vulnerabilities, the effort was thwarted initially by I/O throughput seeing a 70% performance hit. That level of performance cost was unsustainable. But now that I/O overhead has been reduced to just 13%...

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