Portal with RTX has been updated to include Nvidia's latest load time accelerating GPU tech

pcgamer.com:

Portal with RTX has developed a bit of a reputation as a good stress test for even the most powerful of systems since the DLC was released back in 2022, thanks to its use of some heavy-duty path-traced illumination. However, the most recent update introduces some new Nvidia tech for those running an RTX GPU, with some faster asset loading and the latest version of DLSS.

The new update adds support for Nvidia RTX IO, a technology that first made its debut alongside the free Portal: Prelude RTX Remix mod last year. RTX IO makes use of GPU-level decompression to enable faster texture load times by allowing compressed data to be delivered to the GPU and decompressed via GDeflate, freeing up the CPU for other tasks.

This new addition is said to reduce texture load timeshare by up to five times, and also reduce the disk drive footprint of Portal with RTX by 37%.

Another addition in the new update is the introduction of DLSS 3.5, although with no mention thus far as to whether ray reconstruction might be part of the feature set. Ray reconstruction is a separate API for DLSS 3.5, like Super Resolution or Frame Generation, so it won't necessarily be making an appearance unless the devs choose to include it.

Given the demanding nature of the path-traced illumination involved, it strikes that this would be a good opportunity to implement the tech, particularly as the game seems to be pushing the boundaries of cutting edge lighting implementation as things stand. We'll have to have a play around with the update ourselves to find out, but even without ray reconstruction, DLSS 3.5 is a welcome addition.

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Unlike the previously implemented DLSS 3, DLSS 3.5 supports all RTX-series GPUs going back to the 20-series, so if you struggled to maintain a good frame rate on an older