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Benchmark Transfer PoV Size with Increasing Numbers of Users (#8571)

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* write benchmark for transfer increasing users

* cargo run --release --features=runtime-benchmarks --manifest-path=bin/node/cli/Cargo.toml -- benchmark --chain=dev --steps=50 --repeat=20 --pallet=pallet_balances --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --output=./frame/balances/src/weights.rs --template=./.maintain/frame-weight-template.hbs

Co-authored-by: Parity Benchmarking Bot <admin@parity.io>
This commit is contained in:
Shawn Tabrizi
2021-04-10 14:31:45 +02:00
committed by GitHub
parent 8608c2eae4
commit fe775ab954
2 changed files with 45 additions and 12 deletions
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substrate/frame/balances/src/benchmarking.rs
+33
View File
@@ -143,6 +143,39 @@ benchmarks_instance_pallet! {
assert_eq!(Balances::<T, I>::free_balance(&source), Zero::zero());
assert_eq!(Balances::<T, I>::free_balance(&recipient), transfer_amount);
}
// This benchmark performs the same operation as `transfer` in the worst case scenario,
// but additionally introduces many new users into the storage, increasing the the merkle
// trie and PoV size.
#[extra]
transfer_increasing_users {
// 1_000 is not very much, but this upper bound can be controlled by the CLI.
let u in 0 .. 1_000;
let existential_deposit = T::ExistentialDeposit::get();
let caller = whitelisted_caller();
// Give some multiple of the existential deposit + creation fee + transfer fee
let balance = existential_deposit.saturating_mul(ED_MULTIPLIER.into());
let _ = <Balances<T, I> as Currency<_>>::make_free_balance_be(&caller, balance);
// Transfer `e - 1` existential deposits + 1 unit, which guarantees to create one account,
// and reap this user.
let recipient: T::AccountId = account("recipient", 0, SEED);
let recipient_lookup: <T::Lookup as StaticLookup>::Source = T::Lookup::unlookup(recipient.clone());
let transfer_amount = existential_deposit.saturating_mul((ED_MULTIPLIER - 1).into()) + 1u32.into();
// Create a bunch of users in storage.
for i in 0 .. u {
// The `account` function uses `blake2_256` to generate unique accounts, so these
// should be quite random and evenly distributed in the trie.
let new_user: T::AccountId = account("new_user", i, SEED);
let _ = <Balances<T, I> as Currency<_>>::make_free_balance_be(&new_user, balance);
}
}: transfer(RawOrigin::Signed(caller.clone()), recipient_lookup, transfer_amount)
verify {
assert_eq!(Balances::<T, I>::free_balance(&caller), Zero::zero());
assert_eq!(Balances::<T, I>::free_balance(&recipient), transfer_amount);
}
}
impl_benchmark_test_suite!(
substrate/frame/balances/src/weights.rs
+12 -12
View File
@@ -17,8 +17,8 @@
//! Autogenerated weights for pallet_balances
//!
//! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 2.0.0
//! DATE: 2021-01-06, STEPS: \[50, \], REPEAT: 20, LOW RANGE: [], HIGH RANGE: []
//! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
//! DATE: 2021-04-08, STEPS: `[50, ]`, REPEAT: 20, LOW RANGE: `[]`, HIGH RANGE: `[]`
//! EXECUTION: Some(Wasm), WASM-EXECUTION: Compiled, CHAIN: Some("dev"), DB CACHE: 128
// Executed Command:
@@ -55,27 +55,27 @@ pub trait WeightInfo {
pub struct SubstrateWeight<T>(PhantomData<T>);
impl<T: frame_system::Config> WeightInfo for SubstrateWeight<T> {
fn transfer() -> Weight {
(100_698_000 as Weight)
(81_909_000 as Weight)
.saturating_add(T::DbWeight::get().reads(1 as Weight))
.saturating_add(T::DbWeight::get().writes(1 as Weight))
}
fn transfer_keep_alive() -> Weight {
(69_407_000 as Weight)
(61_075_000 as Weight)
.saturating_add(T::DbWeight::get().reads(1 as Weight))
.saturating_add(T::DbWeight::get().writes(1 as Weight))
}
fn set_balance_creating() -> Weight {
(38_489_000 as Weight)
(32_255_000 as Weight)
.saturating_add(T::DbWeight::get().reads(1 as Weight))
.saturating_add(T::DbWeight::get().writes(1 as Weight))
}
fn set_balance_killing() -> Weight {
(48_458_000 as Weight)
(38_513_000 as Weight)
.saturating_add(T::DbWeight::get().reads(1 as Weight))
.saturating_add(T::DbWeight::get().writes(1 as Weight))
}
fn force_transfer() -> Weight {
(99_320_000 as Weight)
(80_448_000 as Weight)
.saturating_add(T::DbWeight::get().reads(2 as Weight))
.saturating_add(T::DbWeight::get().writes(2 as Weight))
}
@@ -84,27 +84,27 @@ impl<T: frame_system::Config> WeightInfo for SubstrateWeight<T> {
// For backwards compatibility and tests
impl WeightInfo for () {
fn transfer() -> Weight {
(100_698_000 as Weight)
(81_909_000 as Weight)
.saturating_add(RocksDbWeight::get().reads(1 as Weight))
.saturating_add(RocksDbWeight::get().writes(1 as Weight))
}
fn transfer_keep_alive() -> Weight {
(69_407_000 as Weight)
(61_075_000 as Weight)
.saturating_add(RocksDbWeight::get().reads(1 as Weight))
.saturating_add(RocksDbWeight::get().writes(1 as Weight))
}
fn set_balance_creating() -> Weight {
(38_489_000 as Weight)
(32_255_000 as Weight)
.saturating_add(RocksDbWeight::get().reads(1 as Weight))
.saturating_add(RocksDbWeight::get().writes(1 as Weight))
}
fn set_balance_killing() -> Weight {
(48_458_000 as Weight)
(38_513_000 as Weight)
.saturating_add(RocksDbWeight::get().reads(1 as Weight))
.saturating_add(RocksDbWeight::get().writes(1 as Weight))
}
fn force_transfer() -> Weight {
(99_320_000 as Weight)
(80_448_000 as Weight)
.saturating_add(RocksDbWeight::get().reads(2 as Weight))
.saturating_add(RocksDbWeight::get().writes(2 as Weight))
}