arm64 as Tier 1 for FreeBSD 13

Ed Maste emaste at freebsd.org
Tue Dec 3 18:51:11 UTC 2019


On Tue, 3 Dec 2019 at 12:19, Ryan Stone <rysto32 at gmail.com> wrote:
>
> For eBPF, Sato-san is working on a JIT compiler.  Depending on the how
> it winds up being implemented, it may only support JIT'ing for amd64
> (one possibility being floated is an LLVM-based implementation, in
> which case arm64 support is a lot easier).  If arm64 has to use an
> interpreter to run eBPF code rather than JIT'ing it, is that
> acceptable for a tier-1 platform?

I don't think that it should be a requirement for tier 1. We could
argue that the feature exists on all platforms, but performance
optimizations exist on only a subset. That said, if we end up with a
bespoke (non-LLVM) JIT I hope we'd also add arm64.


More information about the freebsd-arch mailing list