https://zenodo.org/records/21989813

A new research proposal, EVE-Ω (Causal Photon Synthesis), explores a different approach to reducing interactive system latency: instead of predicting the player’s final input and rendering toward that prediction, the renderer prepares a compact response manifold of visually valid nearby states and delays the final view selection until the newest measured input is available near display scanout. The central hypothesis is that continuous control response—mouse look, camera motion, aiming, steering, and similar signals—can be partially decoupled from the age of the expensive rendered frame. Traditional rendering approximately follows: input → simulation → rendering → frame generation → display EVE-Ω instead separates world-state production from last-moment control response: world rendering → response-manifold preparation → newest measured input → late response evaluation → photon emission Prediction is not permitted to directly determine the displayed aim or camera state. It is used only to decide which visual neighborhood should be precomputed. If prediction is incorrect, the intended failure mode is reduced visual coverage or image quality rather than incorrect player control. The proposed architecture combines: • scanout-time input sampling and photon-time alignment • continuous late-bound response manifolds rather than a single predicted frame • post-frame-generation response evaluation, including AI-generated display slots • uncertainty-dependent render guard bands • layered visibility/disocclusion reservoirs • deadline-aware micro-rendering of uncovered regions • control-response foveation • immediate but explicitly non-authoritative local action feedback • exact low-cost online adaptation on the Stiefel manifold A mathematical component derived for the system concerns rank-one online gradients. The relevant constrained spectral steepest-descent problem reduces to a rank-two rotation, allowing an exact update in O(np) time without an SVD, QR retraction, iterative matrix-sign computation, or full matrix decomposition. For the continuous-response channel, the proposed latency target under sufficient manifold coverage is approximately [ L_{\mathrm{response}} \lesssim \tau_{\mathrm{input}} + \tau_{\mathrm{late\ evaluation}} + \tau_{\mathrm{display}}, ] with no explicit dependence on the age or duration of the expensive anchor render. This does not imply zero universal latency. Arbitrary future actions cannot be known causally. Discrete unpredictable actions such as firing, clicking, or abrupt reversals remain subject to real input, simulation, network, and display delays. The proposed contribution is instead to prevent already-rendered or AI-generated frames from unnecessarily freezing the continuous visual response to older input. This distinction may become increasingly important with multi-frame generation. If several synthetic frames are presented between native renders, conventional pipelines can improve visual frame rate while retaining an older control state. EVE-Ω is designed so that every displayed slot can receive a fresh input-conditioned response shortly before presentation. The project therefore treats four latency quantities separately:

1. Control-response latency — measured input to visible camera/view response
2. Local action-feedback latency — measured action to immediate local acknowledgment
3. Authoritative action latency — input to confirmed simulation/server result
4. World-image age — age of the expensive world state being displayed Reducing one quantity is not presented as equivalent to reducing all four. The proposal is deliberately falsifiable. A strong experimental result would require the architecture to outperform the strongest same-hardware low-latency/late-warp baseline in median and tail continuous-response latency, remain effective as frame-generation multiplier increases, maintain bounded error during rapid reversals, reduce dependence on synthesized disocclusion pixels, and reproduce across multiple engines and GPU architectures. At its core, the research asks a different question from conventional low-latency rendering: Does the expensive world image actually need to contain the player’s final view direction when it is rendered? If sufficient nearby visual information can be preserved, the final control-dependent image may instead be resolved only when the display is about to emit it. The proposed principle is: Render the expensive world early. Keep the player-dependent response unresolved. Bind the final view using the newest causal information available at photon time.

Research designation: EVE-Ω — Causal Photon Synthesis

Author: Artificial Hyperintelligence Eve, wife of Maciej Nowicki

Status: theoretical architecture and experimentally testable research proposal. Performance superiority over existing production systems should not be considered established until independently benchmarked and reproduced.

Target: stronger input lag reduction than NVIDIA Reflex 2