I think we should strongly consider just requiring SSE at this point. - Kyle
On Fri, May 6, 2016 at 7:10 AM, Mike Hoye <mh...@mozilla.com> wrote: > On 2016-05-06 12:26 AM, Gregory Szorc wrote: > >> FWIW, the crashes we've seen so far are from incorrectly emitted movss >> instructions. This instruction is part of the original SSE instruction >> set, >> which was initially unveiled by Intel on the Pentium 3 in 1999 and later >> by >> AMD on the Duron and Athlon XP in 2000-2001. I'm not sure why we still >> need >> Firefox to run on processors manufactured in the 90s. >> > Per an IRC conversation with chutten, Firefox users on CPUs that do not > support SSE are 0.015% of our user base. (compared to 0.4% for no-SSE2). A > third of those are on otherwise-unsupported configurations (pre-SP3 XP, > etc), this work provides continuity of support to 0.01% of our users. > > - mhoye > > > 09:59 <chutten> So, to put it clearly and precisely, of the Firefox > Population in release and beta who are reporting at least base telemetry > collection on machines running supported configurations, only 0.01% cannot > definitively say they have SSE. > 10:00 <chutten> (according to a 1% random sample as stored in the > longitudinal dataset) > > _______________________________________________ > dev-platform mailing list > dev-platform@lists.mozilla.org > https://lists.mozilla.org/listinfo/dev-platform > _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
