weight adjustments for identity and timestamp pallets (#5946)

substrate/frame/timestamp/src/lib.rs

@@ -152,12 +152,12 @@ decl_module! {
 		/// - `O(T)` where `T` complexity of `on_timestamp_set`
 		/// - 1 storage read and 1 storage mutation (codec `O(1)`). (because of `DidUpdate::take` in `on_finalize`)
 		/// - 1 event handler `on_timestamp_set` `O(T)`.
-		/// - Benchmark: 8.523 (min squares analysis)
+		/// - Benchmark: 7.678 (min squares analysis)
 		///   - NOTE: This benchmark was done for a runtime with insignificant `on_timestamp_set` handlers.
 		///     New benchmarking is needed when adding new handlers.
 		/// # </weight>
 		#[weight = (
-			T::DbWeight::get().reads_writes(2, 1) + 9_000_000,
+			T::DbWeight::get().reads_writes(2, 1) + 8_000_000,
 			DispatchClass::Mandatory
 		)]
 		fn set(origin, #[compact] now: T::Moment) {
@@ -177,13 +177,13 @@ decl_module! {
 		/// dummy `on_initialize` to return the weight used in `on_finalize`.
 		fn on_initialize() -> Weight {
 			// weight of `on_finalize`
-			6_000_000
+			5_000_000
 		}
 
 		/// # <weight>
 		/// - `O(1)`
 		/// - 1 storage deletion (codec `O(1)`).
-		/// - Benchmark: 5.105 µs (min squares analysis)
+		/// - Benchmark: 4.928 µs (min squares analysis)
 		/// # </weight>
 		fn on_finalize() {
 			assert!(<Self as Store>::DidUpdate::take(), "Timestamp must be updated once in the block");