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Redox adds ARM64 multicore support and a userspace ring-buffer API

redox-os.org 9 min read Editor score 6/10

The August update reports ARM64 multicore support and Redox Rings, a userspace communication API for parallelism that is described as equivalent to Linux io_uring. The performance impact still needs testing, so the update offers progress rather than benchmark results.

What

Redox is a Unix-like, general-purpose microkernel operating system written in Rust.

How

Its userspace ring-buffer API improved I/O for the NVMe driver, RedoxFS and RAMFS; an NVMe benchmark bypassing RedoxFS measured a 14–15x gain.

Why it matters

Ring-buffer I/O, ARM64 multicore support and NUMA-local allocation offer systems engineers ways to improve parallelism and data locality.

Read on redox-os.org → Lobsters · 6 comments

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