It depends on what kind of apps you are using.
You can tie your app to a particular CPU.
Also, it also depends on what kind of interrupt storm the APP is raising leading to context switch.
Please check on these lines and report
Apart from above, please try these experiments also.
Tie App1 to one ARM core & App2 to a Denver core.
Hotplug power off all Denver cores & tie app’s to the specific ARM cores.
Hotplug power off all ARM cores & tie app’s to the specific Denver cores.
Please share results of “/proc/stats” in all cases along with original reported issue.
Also, share more details about app & workload.