TMDSCNCD263: Clarification required for one NOP action taken 3.5ns

Hi Team,

Note:

1. we are integrated in vector OS.
2. Gel file core clock value

Method to verify core clock frequency in app (CycleCounterP_getCount32):

1. The below observation shall get the time stamp between 1000, 2000 and 3000 “NOP” operations.

2. The result for the delta value 3500 CPU cycle counter value as number for each 1000 NOP. Then for one NOP It would take around 3.5ns.

3. The core clock was assuming as per the gel file configured for 400Mhz, then one cycle operation (Single “NOP “) will take 2.5ns theoretically.

4. Hence practical value is not matched with the theoretical value.

Could you please clarify mentioned below points guide us? 

1. My understanding the above delta value is not a tick value, CycleCounterP_getCount32 return value in ns.

2. If the CycleCounterP_getCount32 return the tick value means, the 1000 NOP match with 1000 ticks.

3. how to get almost match value with practical

Thanks

Vivek Arivazhagan