Which engine have more knocking petrol or diesel

Which engine have more knocking petrol or diesel:-

1. Inside the diesel engine fuel directly spray on the compressed air and got burn and combustion process complete. The delay period is less into a diesel engine that's why the fuel have short time to mix with entire air, means the fuel have short time to oxidation that's why the diesel engine have less knocking as compare to petrol engine.

Which engine have more knocking petrol or diesel

2. But inside a petrol engine the petrol spray at intake manifold into the pre-combustion chamber and mix with air well after that enter into the combustion chamber. So the petrol have more time to mix with air that's why petrol engine have more knocking as compare diesel because after giving spark the all mixture blast together quickly and completely.