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Learn about benchmarking and weight.
§FRAME Benchmarking and Weights.
Notes:
On Weight as a concept.
- Why we need it. Super important. People hate this. We need to argue why it is worth it.
- Axis of weight: PoV + Time.
- pre dispatch weight vs. metering and post dispatch correction.
- mention that we will do this for PoV
- you can manually refund using
DispatchResultWithPostInfo
.
- Technically you can have weights with any benchmarking framework. You just need one number to be computed pre-dispatch. But FRAME gives you a framework for this.
- improve documentation of
#[weight = ..]
and#[pallet::weight(..)]
. All syntax variation should be covered.
On FRAME benchmarking machinery:
-
Component analysis, why everything must be linear.
-
How to write benchmarks, how you must think of worst case.
-
How to run benchmarks.
-
https://www.shawntabrizi.com/assets/presentations/substrate-storage-deep-dive.pdf