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KarimAllah Ahmed
Linux Kernel Engineer @ EC2 - Amazon - working on the Nitro virtualization stack. Opinions are my own.
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KarimAllah Ahmed 8 h
Odgovor korisniku/ci @blitzclone
Just a teaser, some IPI benchmarks show 50% reduction in latency :P
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KarimAllah Ahmed 9 h
Odgovor korisniku/ci @__bjoernd @blitzclone
This is still so funny :D They care that much about this stupid medal ... but the billions of euros of business between German companies and the Egyptian government is OK :D I really enjoy watching these kinds of super calculated and useless protests :)
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KarimAllah Ahmed 29. sij
Odgovor korisniku/ci @Karim_Allah
I really love reading specs. It took me a while to realize that I have no idea what did I learn after reading this sentence :D
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KarimAllah Ahmed 29. sij
"A detected uncorrected error is uncontainable if it might be uncontained. A detected uncorrected error is containable if it is not uncontainable. If the component cannot determine whether a detected error is uncontainable or containable, it must treat it as uncontainable."
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KarimAllah Ahmed 26. sij
Odgovor korisniku/ci @Karim_Allah
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KarimAllah Ahmed 26. sij
Odgovor korisniku/ci @blitzclone
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KarimAllah Ahmed 26. sij
Odgovor korisniku/ci @blitzclone
Lol :) I was wondering how did u even know the dealer .. then I noticed the big poster on one of the photos :D the person that took the photo confirmed this is the right place, but I did not see it myself (and don’t know him personally) to confirm :D
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KarimAllah Ahmed 26. sij
I had to delete the previous tweet, I did not realize that one photo had the name of an auto-dealer. Since I can not confirm it personally, I can not risk trashing wrong people. I will probably reupload the photos that does not have this auto-dealer name just to enjoy the art :)
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KarimAllah Ahmed 24. sij
Odgovor korisniku/ci @__bjoernd
Super proud of my president nicht!
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KarimAllah Ahmed 22. sij
Odgovor korisniku/ci @ThiloFM @blitzclone
The interesting thing is that the first attack was carried out by a 17 and 18 years old .. and the second attack was carried out by a 14 years old! What kind of parenting would lead to this misery!
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KarimAllah Ahmed 22. sij
The same 11-year old girl was a victim of a racism attack twice in the past 2 months. 1) 2) She must be very unlucky. Only 1 in 3 people in Dresden are racists, not sure how did she encounter those!
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KarimAllah Ahmed 19. sij
As a fresh graduate from Egypt, I had a phone interview (US company) that I could not make on time. I emailed the recruiter to apologize and resched the interview .. no reply. I guess, a revolution erupting in Egypt and gov deciding to turn off the internet was not a good excuse
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KarimAllah Ahmed 13. sij
Odgovor korisniku/ci @eslamaged
شيت .. حصل إزاي ده؟ كنت تأجيل؟
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KarimAllah Ahmed 2. sij
Odgovor korisniku/ci @schemeprincess @krismicinski
This seems like the perfect position to see that hawk coming :D
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KarimAllah Ahmed 20. pro
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KarimAllah Ahmed 18. pro
Odgovor korisniku/ci @fagiolinux @Liran_Alon i 2 ostali
True, but this specific workload will be affected similarly (not quiet) on baremetal as well.
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KarimAllah Ahmed 17. pro
Odgovor korisniku/ci @Liran_Alon @fagiolinux i 2 ostali
We also ran a range of benchmarks/workloads and 1 GiB EPTs was always slightly better than 2 MiB and both were significantly better than 4 KiB. If someone can think of any workload/guest-config that might break this, I would be happy to test it as well :)
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KarimAllah Ahmed 16. pro
Odgovor korisniku/ci @Liran_Alon @_msw_ @ManjotSingh
And some of our PCI re-init optimizations: ... obviously we have a few more like bringing up VFs on parallel across all cores, skipping parts of VFs init, etc .. we are regularly upstreaming these as well.
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KarimAllah Ahmed 16. pro
Odgovor korisniku/ci @Liran_Alon @_msw_ @ManjotSingh
The explanation of how we manage memory in our setup is described in this cover letter: Obviously a bit of an over simplification, but it provides the basic idea.
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KarimAllah Ahmed proslijedio/la je tweet
Peter Corless 🌎☮ 6. pro
Odgovor korisniku/ci @Karim_Allah
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