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What is the accuracy of cudaEventElapsedTime ()?

Let's say I call cudaEventElapsedTime()and get the return value 0.123456. Then what exact time does he offer?

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As indicated in the documentation , the function cudaEventElapsedTimereturns the elapsed time between two events in milliseconds. It has a resolution of about 0.5 microseconds.

So, the value 0.123456indicates that the elapsed time between the indicated events is 0.123456milliseconds.

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