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wip: host latency/GPU-contention notes + Windows packaging tweaks

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Pre-existing working-tree changes committed to the branch on request: the
gpu-contention investigation doc, host-latency-plan additions, and small
pack-host-installer / stage-pf-vdisplay packaging-script edits.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Enrico Bühler
2026-06-26 06:53:09 +00:00
parent 739fa74e68
commit 6b3cbce120
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docs/host-latency-plan.md
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# Host latency & the GPU-contention collapse — analysis + prioritized plan
> **⚠ Partially superseded (2026-06-25) by [`gpu-contention-investigation.md`](gpu-contention-investigation.md).**
> That follow-up re-verified this plan against the current code and overturned several specifics:
> the default Windows path (IDD-push) now feeds NVENC **RGB** (regressing the §0A "Windows does it
> right" claim); `PUNKTFUNK_ENCODE_DEPTH` never existed (phantom knob); the "async NVENC stacks
> latency" result was a *same-thread* implementation, not a disproof of a correct two-thread pipeline;
> "capture sees half the frames" is DLSS-Frame-Gen-specific, not general; and NvFBC is dead on
> Windows. Use the new doc's ranked action list. The tiers/dropped-placebo analysis below remain a
> useful record.
Scope: Windows + Linux GameStream/punktfunk1 hosts. Priority: **latency**, and specifically the
"saturating game starves the stream" headache: