Re: Benefits of cryptographic hash functions for uniquely identifing Vulkan shaders.
Marek Olšák <[email protected]>
| Newsgroups | gmane.comp.video.mesa3d.devel |
|---|---|
| Message-ID | <CAAxE2A7CjGxsAkqEcbg_=vwTbB=HNdC4WBb-EjgbsUDZGq7uoA@mail.gmail.com> |
If there is a hash collision, it will cause a GPU hang. A cryptographic hash function reduces that chance to practically zero. Marek On Thu, Jun 29, 2023, 07:04 mikolajlubiak1337 <[email protected]> wrote: > Hi, > I have recently read Phoronix article[1] about you switching to BLAKE3 > instead of SHA1. > If BLAKE3 is a cryptographic hash function wouldn't it be faster to use a > non cryptographic hash function or even a checksum function? Do you need > the benefits of cryptographic hash functions over other hash/checksum > functions for the purpose of uniquely identifing Vulkan shaders? > > [1]: https://www.phoronix.com/news/Mesa-BLAKE3-Shader-Hashing > > -- me > >