We are submitting a set of patches that significantly improve H.264 decoding
performance
by utilizing RVV intrinsic code. The average speedup(FPS) achieved by these
patches is more than 2x,
as experimented on 720P videos running on an internal FPGA board.
Patch1: add support for RVV intrinsic co
May 9, 2023, 11:51 by arnie.ch...@sifive.com:
> We are submitting a set of patches that significantly improve H.264 decoding
> performance
> by utilizing RVV intrinsic code. The average speedup(FPS) achieved by these
> patches is more than 2x,
> as experimented on 720P videos running on an inter
Hi,
Le tiistaina 9. toukokuuta 2023, 12.50.25 EEST Arnie Chang a écrit :
> We are submitting a set of patches that significantly improve H.264 decoding
> performance by utilizing RVV intrinsic code.
I believe that there is a general dislike of compiler intrinsic for vector
optimisations
Hi Lynne
I fully respect the policy and understand the disadvantages of intrinsic
code.
Considering the benefits of the open ISA like RISC-V,
the intrinsic code should still have a better chance of being optimized by
the compiler for hardware variants.
At this moment, the intrinsic implementation
May 10, 2023, 10:47 by arnie.ch...@sifive.com:
> Hi Lynne
>
> I fully respect the policy and understand the disadvantages of intrinsic
> code.
> Considering the benefits of the open ISA like RISC-V,
> the intrinsic code should still have a better chance of being optimized by
> the compiler for har
Hi,
Le 10 mai 2023 11:46:57 GMT+03:00, Arnie Chang a écrit
:
>Considering the benefits of the open ISA like RISC-V,
>the intrinsic code should still have a better chance of being optimized by
>the compiler for hardware variants.
You probably have access to proprietary performance information of
