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How tolerable is OS Jitter during hft and high frequency trading?

(Last Updated On: April 4, 2012)

How tolerable is OS Jitter during hft and high frequency trading?

Given two large-scale, massively parallel, distributed memory systems, one with twice the core-count as the other, would a +/-20% level of OS Jitter in the larger system be quantifiably more cost-effective or productive (insert your criteria here) than the smaller system with +/-5% OS Jitter?

 

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For a definition of OS Jitter, I defer to Bill Buros, et al on
https://www.ibm.com/developerworks/wikis/display/LinuxP/Practical+experiences+with+OS+Jitter

Here we define “OS Jitter” as interference that an application (be it a process or a thread) experiences. This can prevent the application from obtaining nearly identical predictable and repeatable results from a run-time completion perspective (ie: how long the task takes to complete).

 

NOTE I now post my TRADING ALERTS into my personal FACEBOOK ACCOUNT and TWITTER. Don't worry as I don't post stupid cat videos or what I eat!

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