this post was submitted on 25 Jul 2023
542 points (97.2% liked)

Technology

59377 readers
3042 users here now

This is a most excellent place for technology news and articles.

Our Rules

  1. Follow the lemmy.world rules.
  2. Only tech related content.
  3. Be excellent to each another!
  4. Mod approved content bots can post up to 10 articles per day.
  5. Threads asking for personal tech support may be deleted.
  6. Politics threads may be removed.
  7. No memes allowed as posts, OK to post as comments.
  8. Only approved bots from the list below, to ask if your bot can be added please contact us.
  9. Check for duplicates before posting, duplicates may be removed

Approved Bots

founded 1 year ago
MODERATORS
L3s@lemmy.world
L3s@fry.gs
L4s@fry.gs
L4s@lemmy.world
enu@lemmy.world
542
Encryption-breaking, password-leaking bug in many AMD CPUs could take months to fix (arstechnica.com)
submitted 1 year ago by Lanky_Pomegranate530@lemmy.world to c/technology@lemmy.world
95 comments fedilink hide all child comments
you are viewing a single comment's thread
view the rest of the comments
[–] drdabbles@lemmy.world 1 points 1 year ago

The MSR bit is potentially a large performance loss and AMD recommends their partners not use it. In my tests is was 5-15% on EPYC depending on workload. "Some performance cost" is really hiding the reality of that bit.