Le 16/09/2021 à 23:18, Erwan Velu a écrit :
On 09/09/2021 00:37, Erwan Velu wrote:
[...]
So I made a try !
2 devices on a single physical core brings me up to 1.23M (that's 67%
of the previous result on two physical cores)
3 devices on a two physical cores bring me up to 1.85M
4 devices on a two physical cores bring me up to 2.48M
4 devices on a three physical cores bring me up to 3.77M
To ease the reproducer, I created a script
https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Faxboe%2Ffio%2Fpull%2F1272&data=04%7C01%7Ce.velu%40criteo.com%7C790c95d308a04c6e9c4308d9795785f5%7C2a35d8fd574d48e3927c8c398e225a01%7C1%7C0%7C637674239079752317%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=vBAwZnAJzkSAag3k6PW2kCDBStrap5rM1joFWuaG6MY%3D&reserved=0
that automate all this and fixes the usual config mistakes.
Feel free to test it !
Just merged by Jens :
https://github.com/axboe/fio/commit/0c6c0ebb82504da41ff2aa7a382923d9713b40ab
Feel free to use t/one-core-peak.sh to test your setup, feel free to
comment & patch.
Erwan,
