Skip to content

virtiofs: improve virtiofs performance by negotiating MAX_PAGES#40508

Draft
benhillis wants to merge 2 commits into
masterfrom
user/benhill/virtiofs_perf
Draft

virtiofs: improve virtiofs performance by negotiating MAX_PAGES#40508
benhillis wants to merge 2 commits into
masterfrom
user/benhill/virtiofs_perf

Conversation

@benhillis
Copy link
Copy Markdown
Member

This change updates to a new wsldevicehost.dll that has this change: microsoft/openvmm#3447

The net result is a roughly 20-40% performance improvement for sequential read and write speeds, more details on the above openvmm pr.

Copilot AI review requested due to automatic review settings May 12, 2026 16:24
@benhillis benhillis requested a review from a team as a code owner May 12, 2026 16:24
Copy link
Copy Markdown
Contributor

Copilot AI left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Pull request overview

This PR updates WSL’s NuGet dependency on Microsoft.WSL.DeviceHost to a newer version to pick up the virtiofs MAX_PAGES negotiation improvement (via updated wsldevicehost.dll), targeting better virtiofs sequential read/write performance.

Changes:

  • Bump Microsoft.WSL.DeviceHost package from 1.2.23-0 to 1.2.24-0.
  • (Incidental) packages.config now includes a UTF-8 BOM on the XML declaration line.

Comment thread packages.config Outdated
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
Copilot AI review requested due to automatic review settings May 12, 2026 19:37
Copy link
Copy Markdown
Contributor

Copilot AI left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Pull request overview

Copilot reviewed 1 out of 1 changed files in this pull request and generated no new comments.

@benhillis benhillis marked this pull request as draft May 12, 2026 23:19
@benhillis
Copy link
Copy Markdown
Member Author

Seeing some failures in CI I did not see locally, going to try to debug.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

None yet

Projects

None yet

Development

Successfully merging this pull request may close these issues.

2 participants