Sysbench Number of yields

Asked by mehdi jaiem

hello Community,

I Wanted to ask how --thread-yields has an effect on my resultst. I'm performing a Thread CPU and IO tests with the following command lines

I' willig to do the Thread and IO tests with 1 2 4 and 16 threads ( and an equal number of --thread-locks each time) on a banana pi M1(dual core). So according to that what number of yields should i used ?

I know that it is better to not exceed a number of threads equal to the number of CPUs to get good results. ( I red about this detail in a web site: https://wiki.mikejung.biz/Sysbench?fbclid=IwAR18-yFhF4A7Mu0ufc8iKcbsT0RWwqXnhzkTaN4gm1jsneJlgquF3fLEvZs )

Thamks :)

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Bernard Stafford (bernard010) said :
#1

"banana pi M1(dual core)"
One thread per core: = 2 Threads for Testing on a dual core processor.

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mehdi jaiem (spearitch) said :
#2

Yes I know. But I wanted to have like a bigger database for my analyses that will come after.
My problem is with the --thread-yields which are randomly chosen ( 100 ) if I don't specify a number by myself. I don't know how much though .. :/

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Launchpad Janitor (janitor) said :
#3

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