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feat(e2e): parallel os legs, 16 vcpu guests, macos latency report-only - #73

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ealtun21 merged 1 commit into
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feat/e2e-parallel-legs
Oct 9, 2026
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ealtun21 merged 1 commit into
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feat/e2e-parallel-legs

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@ealtun21

@ealtun21 ealtun21 commented Oct 9, 2026

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  • cargo xtask e2e --os linux,windows,macos runs the legs in parallel (own run dir + free ssh port each); --serial restores the old behaviour. Full nightly: about 66 min serial -> about 44 min (bounded by the Linux leg with the soaks).
  • Windows and macOS guests are 16 vCPUs / 10 GB each; the guest build+prepare step is now timed and printed (Windows ~73 s, macOS ~18 s warm).
  • macOS added latency is report-only: the same scenario measures -100..+100 ms between runs in the VM (tap ring start offset), so a baseline gate only fails on noise. Linux and Windows still gate.
  • Spec section 16 documents this.

Known: Windows long-full-eq@96000x8 fails in the full tier (a one-off 768-frame skip at 40.45 s, fails serial too, passes alone). Not caused by this PR; being root-caused separately.

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ealtun21 merged commit d626374 into master Oct 9, 2026
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