WSL 2 is getting faster Windows file system access
Microsoft has improved file system performance in WSL 2 by optimizing the virtiofs path through dedicated DMA pools. This update removes a major bottleneck for users who frequently access files across the Windows and Linux operating system boundary.
Why it matters
Enhanced cross-OS file performance significantly improves productivity for developers and engineers who rely on WSL 2 for cross-platform software development.
From DrvFs in WSL 1 to Plan 9 to virtiofs, cross-OS file access in WSL 2 has improved with each generation. A new change gives each virtio device its own dedicated DMA pool, removing the last major contention point on the virtiofs path.
The content is a technical explainer regarding software updates and performance improvements without political or social bias.
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