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I tried background communication between watch(in background) and iPhone(in foreground) using transferinfo() method but message is reaching to iPhone in 2-10 seconds.Is there any way sending message to iPhone(foreground) from watch(background) in every second without delay?Watch - ( Apple Watch Series 3 & WatchOS 5.1)iPhone - (iPhone 7 & iOS 12.1)

I checked cpu usage limit from https://developer.apple.com/documentation/healthkit/hkworkoutsessionand its saying following things.To maintain high performance on Apple Watch, you must limit the amount of work your app performs in the background. If your app uses an excessive amount of CPU while in the background, watchOS will suspend it.In above link I didn't find maximum cpu usage(%) or maximum avg cpu usage(%) for watchos app. In Xcode CPU profile, cpu usage crosses 20-30% in some below cases.1) Scroll UI up and down2) Scrolling picker itemsPlease tell me the maximum cpu usage(%) or maximum avg cpu usage(%) for watchos app.