KPTI/KAISER Meltdown Initial Performance Regressions


25 bookmarks. First posted by moderation february 2018.


“The KPTI patches to mitigate Meltdown are the largest kernel performance regressions I've ever seen—anything from 1% to over 800%, depending on your syscall and page fault rates, due to the extra CPU cycle overheads, and your memory working set size.” https://t.co/HTkqaQ87kP pic.twitter.com/9tmEzV6yB4

— John Arundel (@bitfield) February 19, 2018

http://twitter.com/bitfield/status/965717888547123200
from instapaper
february 2018 by pdudits
The recently revealed Meltdown and Spectre bugs are not just extraordinary issues of security, but also performance. The patches that workaround Meltdown introduce the largest kernel performance regressions I've ever seen.
getpocket 
february 2018 by linkt
The recently revealed Meltdown and Spectre bugs are not just extraordinary issues of security, but also performance. The patches that workaround Meltdown introduce the largest kernel performance regressions I've ever seen.
IFTTT  Pocket  linux  ops 
february 2018 by neverminding
RT : KPTI/KAISER Meltdown Initial Performance Regressions by
from twitter
february 2018 by rjw1
File under the end of Moore’s Law.

The recently revealed Meltdown and Spectre bugs are not just extraordinary issues of security, but also performance. The patches that workaround Meltdown introduce the largest kernel performance regressions I've ever seen.
kernel  linux  security  meltdown  performance 
february 2018 by jefframnani
"In this post I'll look at the Linux kernel page table isolation (KPTI) patches that workaround Meltdown: what overheads to expect, and ways to tune them."
linux  kernel  security  performance  benchmark 
february 2018 by sometimesfood
I just starred Meltdown Initial Performance Regressions on Inoreader http://ift.tt/2ETnm4D
News 
february 2018 by jglemza
RT : new post: KPTI/KAISER Meltdown Initial Performance Regressions
from twitter
february 2018 by rafaeldff
The recently revealed Meltdown and Spectre bugs are not just extraordinary issues of security, but also performance. The patches that workaround Meltdown…
from instapaper
february 2018 by badboy
Meltdown Initial Performance Regressions ()
from twitter_favs
february 2018 by michaeltri
new post: KPTI/KAISER Meltdown Initial Performance Regressions
from twitter_favs
february 2018 by moderation