On Sun, May 29, 2022 at 9:07 AM Kyle Huey <[email protected]> wrote: > > Hi everyone, > > This weekend I've upgraded the machines Pernosco runs on to have Ice > Lake-derived Xeon processors. This means that we can now support > traces recorded with the SHA extension instructions. If you have been > creating recordings of Firefox for Pernosco on a newish CPU, there are > workarounds that you may have been using that are no longer required. > > For everyone: > - Pull the latest pernosco-submit > > For those with Intel processors > - Remove NSS_DISABLE_HW_SHA from your environment if it is set. > - Create recordings with `rr record --disable-avx512` from now on. > (You were probably previously using `rr record > --disable-cpuid-features-ext 0xfc230000,0x00002c42,0x0000000c`) > > For those with AMD processors > - Remove NSS_DISABLE_HW_SHA from your environment. > > - Kyle
jesup points out that it's --disable-avx-512 not --disable-avx512 - Kyle -- You received this message because you are subscribed to the Google Groups "[email protected]" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/a/mozilla.org/d/msgid/dev-platform/CAP045ApySbBnPgndJEjPKwv-xenNPt6Ducag8Ye-X-sUMDNEag%40mail.gmail.com.
