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Nvidia/Saber GTC 2020 || Witcher III on the Nintendo Switch: GPU & Memory Optimization


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  • upon starting, CPU game thread was 91ms
  • CPU render thread with gpu wait time - 260ms
  • GPU frame time 200ms
  • 5GB of memory
  • 46GB file size
  • cloth physics moved from CPU to GPU
  • Switch supports cuda natively
  • audio was converted to Opus format
  • the Opus decoder on switch handles 20 sounds simultaneously
  • used oodle for asset compression as it was faster at decompressing than lz4
  • used the sound streaming system developed for Cyberpunk 2077 to help save memory
  • has 3 languages on cart instead of 4, used lower quality compression for lipsync
  • final build size was 28GB
  • 15 months of development
  • SWitcher was literally the internal project name

 

 

 

 

Tomb Raider got ported to PS4 with added PS4 Pro support and multiple graphics options in two weeks.

 

 

No wonder stuff is skipping switch. What publisher is going to tie down resources to port stuff got 15 months even if some version is possible.

 

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44 minutes ago, Team 2019 said:
  • upon starting, CPU game thread was 91ms
  • CPU render thread with gpu wait time - 260ms
  • GPU frame time 200ms
  • 5GB of memory
  • 46GB file size
  • cloth physics moved from CPU to GPU
  • Switch supports cuda natively
  • audio was converted to Opus format
  • the Opus decoder on switch handles 20 sounds simultaneously
  • used oodle for asset compression as it was faster at decompressing than lz4
  • used the sound streaming system developed for Cyberpunk 2077 to help save memory
  • has 3 languages on cart instead of 4, used lower quality compression for lipsync
  • final build size was 28GB
  • 15 months of development
  • SWitcher was literally the internal project name

 

 

 

 

Tomb Raider got ported to PS4 with added PS4 Pro support and multiple graphics options in two weeks.

 

 

No wonder stuff is skipping switch. What publisher is going to tie down resources to port stuff got 15 months even if some version is possible.

 

How long do you think the average port takes? :mjpls:

Edited by Goukosan
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32 minutes ago, Team 2019 said:

Literally weeks to port between. PS4, XBox and PC.

 

Doom Eternal was co developed with Panic Button and the Switch port is nowhere in sight.

It's not weeks if it's a engine that has not been on that system before.  That takes longer.  Subsequent games (with the same engine) on the system will take a shorter time to port. 

 

As far as Doom they took Panic Button off the Switch version to help finish the PS4, Xbox and PC versions. 

 

 

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