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contracts: Consider contract size in weights (#8086)

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* contracts: Consider contract size in weights

* Bump spec version

* Whitespace fix

Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com>

* Correct pre-charged code weight even in the error case

* Use the instrumented code size in weight calculation

* Charge the cost of re-instrumentation from the gas meter

* Fix benchmark

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

* Better documentation of return types

Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com>
Co-authored-by: Parity Benchmarking Bot <admin@parity.io>
This commit is contained in:
Alexander Theißen
2021-02-22 09:52:58 +01:00
committed by GitHub
parent fbd3148bba
commit 84071d6d49
13 changed files with 1267 additions and 843 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/frame/contracts/src/benchmarking/mod.rs
+81 -11
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@@ -304,6 +304,19 @@ benchmarks! {
Storage::<T>::process_deletion_queue_batch(Weight::max_value())
}
// This benchmarks the additional weight that is charged when a contract is executed the
// first time after a new schedule was deployed: For every new schedule a contract needs
// to re-run the instrumentation once.
instrument {
let c in 0 .. T::MaxCodeSize::get() / 1024;
let WasmModule { code, hash, .. } = WasmModule::<T>::sized(c * 1024);
Contracts::<T>::store_code_raw(code)?;
let mut module = PrefabWasmModule::from_storage_noinstr(hash)?;
let schedule = Contracts::<T>::current_schedule();
}: {
Contracts::<T>::reinstrument_module(&mut module, &schedule)?;
}
// This extrinsic is pretty much constant as it is only a simple setter.
update_schedule {
let schedule = Schedule {
@@ -318,8 +331,13 @@ benchmarks! {
// determine the contract address.
// `c`: Size of the code in kilobytes.
// `s`: Size of the salt in kilobytes.
//
// # Note
//
// We cannot let `c` grow to the maximum code size because the code is not allowed
// to be larger than the maximum size **after instrumentation**.
instantiate_with_code {
let c in 0 .. Contracts::<T>::current_schedule().limits.code_size / 1024;
let c in 0 .. Perbill::from_percent(50).mul_ceil(T::MaxCodeSize::get() / 1024);
let s in 0 .. code::max_pages::<T>() * 64;
let salt = vec![42u8; (s * 1024) as usize];
let endowment = caller_funding::<T>() / 3u32.into();
@@ -339,14 +357,16 @@ benchmarks! {
}
// Instantiate uses a dummy contract constructor to measure the overhead of the instantiate.
// `c`: Size of the code in kilobytes.
// `s`: Size of the salt in kilobytes.
instantiate {
let c in 0 .. T::MaxCodeSize::get() / 1024;
let s in 0 .. code::max_pages::<T>() * 64;
let salt = vec![42u8; (s * 1024) as usize];
let endowment = caller_funding::<T>() / 3u32.into();
let caller = whitelisted_caller();
T::Currency::make_free_balance_be(&caller, caller_funding::<T>());
let WasmModule { code, hash, .. } = WasmModule::<T>::dummy_with_mem();
let WasmModule { code, hash, .. } = WasmModule::<T>::dummy_with_bytes(c * 1024);
let origin = RawOrigin::Signed(caller.clone());
let addr = Contracts::<T>::contract_address(&caller, &hash, &salt);
Contracts::<T>::store_code_raw(code)?;
@@ -365,10 +385,12 @@ benchmarks! {
// won't call `seal_input` in its constructor to copy the data to contract memory.
// The dummy contract used here does not do this. The costs for the data copy is billed as
// part of `seal_input`.
// `c`: Size of the code in kilobytes.
call {
let c in 0 .. T::MaxCodeSize::get() / 1024;
let data = vec![42u8; 1024];
let instance = Contract::<T>::with_caller(
whitelisted_caller(), WasmModule::dummy_with_mem(), vec![], Endow::CollectRent
whitelisted_caller(), WasmModule::dummy_with_bytes(c * 1024), vec![], Endow::CollectRent
)?;
let value = T::Currency::minimum_balance() * 100u32.into();
let origin = RawOrigin::Signed(instance.caller.clone());
@@ -396,9 +418,11 @@ benchmarks! {
// will be distributed over multiple blocks using a scheduler. Otherwise there is
// no incentive to remove large contracts when the removal is more expensive than
// the reward for removing them.
// `c`: Size of the code of the contract that should be evicted.
claim_surcharge {
let c in 0 .. T::MaxCodeSize::get() / 1024;
let instance = Contract::<T>::with_caller(
whitelisted_caller(), WasmModule::dummy(), vec![], Endow::CollectRent
whitelisted_caller(), WasmModule::dummy_with_bytes(c * 1024), vec![], Endow::CollectRent
)?;
let origin = RawOrigin::Signed(instance.caller.clone());
let account_id = instance.account_id.clone();
@@ -694,6 +718,42 @@ benchmarks! {
}
}
seal_terminate_per_code_kb {
let c in 0 .. T::MaxCodeSize::get() / 1024;
let beneficiary = account::<T::AccountId>("beneficiary", 0, 0);
let beneficiary_bytes = beneficiary.encode();
let beneficiary_len = beneficiary_bytes.len();
let code = WasmModule::<T>::from(ModuleDefinition {
memory: Some(ImportedMemory::max::<T>()),
imported_functions: vec![ImportedFunction {
name: "seal_terminate",
params: vec![ValueType::I32, ValueType::I32],
return_type: None,
}],
data_segments: vec![
DataSegment {
offset: 0,
value: beneficiary_bytes,
},
],
call_body: Some(body::repeated(1, &[
Instruction::I32Const(0), // beneficiary_ptr
Instruction::I32Const(beneficiary_len as i32), // beneficiary_len
Instruction::Call(0),
])),
dummy_section: c * 1024,
.. Default::default()
});
let instance = Contract::<T>::new(code, vec![], Endow::Max)?;
let origin = RawOrigin::Signed(instance.caller.clone());
assert_eq!(T::Currency::total_balance(&beneficiary), 0u32.into());
assert_eq!(T::Currency::total_balance(&instance.account_id), Endow::max::<T>());
}: call(origin, instance.addr, 0u32.into(), Weight::max_value(), vec![])
verify {
assert_eq!(T::Currency::total_balance(&instance.account_id), 0u32.into());
assert_eq!(T::Currency::total_balance(&beneficiary), Endow::max::<T>());
}
seal_restore_to {
let r in 0 .. 1;
@@ -772,9 +832,16 @@ benchmarks! {
}
}
seal_restore_to_per_delta {
// `c`: Code size of caller contract
// `t`: Code size of tombstone contract
// `d`: Number of supplied delta keys
seal_restore_to_per_code_kb_delta {
let c in 0 .. T::MaxCodeSize::get() / 1024;
let t in 0 .. T::MaxCodeSize::get() / 1024;
let d in 0 .. API_BENCHMARK_BATCHES;
let mut tombstone = ContractWithStorage::<T>::new(0, 0)?;
let mut tombstone = ContractWithStorage::<T>::with_code(
WasmModule::<T>::dummy_with_bytes(t * 1024), 0, 0
)?;
tombstone.evict()?;
let delta = create_storage::<T>(d * API_BENCHMARK_BATCH_SIZE, T::MaxValueSize::get())?;
@@ -837,6 +904,7 @@ benchmarks! {
Instruction::Call(0),
Instruction::End,
])),
dummy_section: c * 1024,
.. Default::default()
});
@@ -1225,7 +1293,7 @@ benchmarks! {
// We call unique accounts.
seal_call {
let r in 0 .. API_BENCHMARK_BATCHES;
let dummy_code = WasmModule::<T>::dummy_with_mem();
let dummy_code = WasmModule::<T>::dummy_with_bytes(0);
let callees = (0..r * API_BENCHMARK_BATCH_SIZE)
.map(|i| Contract::with_index(i + 1, dummy_code.clone(), vec![], Endow::Max))
.collect::<Result<Vec<_>, _>>()?;
@@ -1280,7 +1348,8 @@ benchmarks! {
let origin = RawOrigin::Signed(instance.caller.clone());
}: call(origin, instance.addr, 0u32.into(), Weight::max_value(), vec![])
seal_call_per_transfer_input_output_kb {
seal_call_per_code_transfer_input_output_kb {
let c in 0 .. T::MaxCodeSize::get() / 1024;
let t in 0 .. 1;
let i in 0 .. code::max_pages::<T>() * 64;
let o in 0 .. (code::max_pages::<T>() - 1) * 64;
@@ -1302,6 +1371,7 @@ benchmarks! {
Instruction::Call(0),
Instruction::End,
])),
dummy_section: c * 1024,
.. Default::default()
});
let callees = (0..API_BENCHMARK_BATCH_SIZE)
@@ -1475,7 +1545,8 @@ benchmarks! {
}
}
seal_instantiate_per_input_output_salt_kb {
seal_instantiate_per_code_input_output_salt_kb {
let c in 0 .. T::MaxCodeSize::get() / 1024;
let i in 0 .. (code::max_pages::<T>() - 1) * 64;
let o in 0 .. (code::max_pages::<T>() - 1) * 64;
let s in 0 .. (code::max_pages::<T>() - 1) * 64;
@@ -1497,6 +1568,7 @@ benchmarks! {
Instruction::Call(0),
Instruction::End,
])),
dummy_section: c * 1024,
.. Default::default()
});
let hash = callee_code.hash.clone();
@@ -2440,8 +2512,6 @@ benchmarks! {
}: {}
}
impl_benchmark_test_suite!(
Contracts,
crate::tests::ExtBuilder::default().build(),