On Mon, Sep 12, 2022 at 11:45 PM Paul Wise <[email protected]> wrote: > On Mon, 2022-09-12 at 10:05 -0400, Aaron Boxer wrote: > > > My codec project uses SIMD code for x86 and AArch64 architectures. > > Also, as there are different versions of SIMD i.e. SSE vs AVX vs > > AVX2, the project uses a library that builds multiple versions of the > > accelerated code and chooses which version to use at runtime. > > Runtime selection of instructions is the best solution indeed. > > Other solutions include automatic porting between SIMD instructions, > emulating atomic instructions, manual runtime code path selection, > manual runtime function selection, compiler function multi-versioning, > glibc hwcaps library selection, runtime binary selection, blocking > installation and blocking running binaries. All are summarised here: > > https://wiki.debian.org/InstructionSelection
Very interesting, thanks! > > > -- > bye, > pabs > > https://wiki.debian.org/PaulWise >
