The Libre RISC-V Vulkan Accelerator Will Be Targeting 25 FPS @ 720p, 5~6 GFLOPs

[phoronix]

Phoronix: The Libre RISC-V Vulkan Accelerator Will Be Targeting 25 FPS @ 720p, 5~6 GFLOPs

For those interested in the proposed quad-core RISC-V Libre SoC that is intended to go in-step with the Rust-written Kazan for offering Vulkan support, the initial performance target has now been shared...

http://www.phoronix.com/scan.php?page=news_item&px=Libre-RISC-V-Performance-Target

[davidbepo]

i doubt 6 gflops is even remotely close to doing 720p25fps, have in mind that a rx 580 is almost exactly 1000 (!) times faster

[Michael]

i doubt 6 gflops is even remotely close to doing 720p25fps, have in mind that a rx 580 is almost exactly 1000 (!) times faster

Glxgears? Yeah, it seems unlikely based upon what workload they are referring to for the 720p @ 25fps, but at least for now happy there is work going into Kazan at least and would love to be proved wrong about the potential for the Libre RISC-V.

[davidbepo]

Glxgears? Yeah, it seems unlikely based upon what workload they are referring to for the 720p @ 25fps, but at least for now happy there is work going into Kazan at least and would love to be proved wrong about the potential for the Libre RISC-V.

i was thinking about glxgears too

[sykobee]

Still, I expect a 28nm quad-RISC-V design would be fairly small, so if you're designing a 3D appliance UI and don't want to pay for a conventional embedded GPU...

I expect this is more of a bring-up platform than anything useful right now. It's about 1/5th of the performance of a RPi VideoCore IV.

[Blahblah]

I think this is a reasonable goal considering this is first attempt at this cross-section of libre, GPU, Risc-V, and Vulkan. The HDL world is very hard for people to break into, so any reference designs coming out of this project will be useful for that alone.

[uid313]

5-6 GFLOPS on the Libre RISC-V Vulkan accelerator.

Compare this to Nvidia GeForce RTX 2080 with:

20,137 GFLOPS	FP16	half
10,068 GFLOPS	FP32	float
314.6 GFLOPS	FP64	double

Libre RISC-V Vulkan accelerator at 100 MPixel/s, compare this with Nvidia GeForce 2080 RTX with 109.4 GPixel/s.

[dungeon]

720p@25 is basic HD video, who needs more anyway - if you don't have fast moving anything that is enough

[Guest]

720p@25 what? Surely not gaming. Maybe just displaying the Gnome wallpaper.

[dungeon]

720p@25 what? Surely not gaming.

That translates to 224*224@60Hz, which was pretty much gaming standard 35 years ago

It is funny that bellow 4 Mhz CPU were doing this, but OK... now we need 4 core @ 800 Mhz to accomplish the same, at more depth, at more colors