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The way the memory interface works seems like a big barrier. Some games probably don't lean on its true power - the ones I've worked on do not - but a PS4 game
by kevingadd 7y ago
The way the memory interface works seems like a big barrier. Some games probably don't lean on its true power - the ones I've worked on do not - but a PS4 game can do some truly wild stuff involving GPU/CPU memory sharing, control over memory caching, etc that you can't really do on a desktop PC for various reasons. You can get closer with modern APIs like Vulkan, at least, but I suspect there will always be some subset of PS4 titles that literally cannot function in a typical desktop PC user-mode environment without some truly devious hacks and workarounds.
As far as compute goes though the PS4 is basically just a 64-bit x86 machine with a strong integrated GPU, so the workloads can be adapted to run on desktop hardware.