Questions tagged [benchmarking]
The benchmarking tag has no usage guidance.
119
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Get weights data from a benchmarked pallet
Is there a way to get some informations for an already benchmarked pallet on the weights like the minimum and maximum weights that can be used for a function (worst case/best case) ?
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Weight consumed inside the on_idle hook?
The documentation of the on_idle hook states that "Any implementation should always respect _remaining_weight and never consume (and therefore return) more than this amount."
In the ...
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0
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20
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Run benchmark fail test in pallet-evm
test_benchmarks fail
Repo: https://github.com/paritytech/frontier
Command: cargo t -p pallet-evm --features runtime-benchmarks
Issue:
failures:
---- benchmarking::benchmark_tests::test_benchmarks ...
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33
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Witness data for Benchmarking
I have been looking into the hrmp pallets where some of the extrinsics needs to have a witness data variable provided as a parameter.
Example:
/// Total number of opening channels must be provided as ...
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52
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How to use bounded_vec macro in benchmarking.rs
I was using substrate-node-template, and created some benchmarking functions.
I was able to use bounded_vec macro in tests.rs but, can't able to use it in the benchmarking.rs file
my code
#
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41
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Error when trying to run benchmarks on runtime but no in test benchmarks
i´m writing benchmarks for a pallet that manages sending tokens from assets pallet from one account to other.
I have written the benchmarks and run it with no problem using the command:
cargo test -p ...
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54
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Testing benchmarks with V2
Im writing benchmarks for a pallet using benchmarking version 2. And it seems I cant call Pallet::<Test>::test_benchmarks_"extrinsic_name" inside of a test anymore.
Is it no longer ...
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33
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Weight for an extrinsic that schedule another call in the future?
I have an extrinsic for a poll that will end in the future. I used scheduller pallet to make the end of the poll execute. The end of the poll is then made by a root call.
Should I add the weight of ...
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21
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Do struct allocations' weight consumption depend linearly on input data length?
I am writing some benchmarking code and I came across a situation where I had to benchmark a few let bindings.
let sig = ...;
let data : Vec<u8> = vec![...];
// data is actually variable. Ranges ...
- 3,722
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19
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How does the benchmarking code add_benchmarks! work on the runtime?
I am trying to understand the runtime-benchmarks gated code on the runtime/src/lib.rs and I realize that we need to "list" and "add" benchmarks that we want to perform : https://...
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21
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How to generate database weights?
As a chain grows the DB operations should get costlier. Is there a standard procedure that outlines how to generate these weights? Or should we continue using the default substrate weights for this ...
- 3,722
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36
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Benchmarking an extrinsic that validates a signature
I have an extrinsic in one of my pallets that looks validates a signature over a message, which is separate from the actual extrinsic being submitted.
The code can be simplified to look like the below
...
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1
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34
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Benchmarking in a cusom pallet requires a storage put operation in Staking pallet
Let's say I have a pallet_x. In this pallet i have an extrinsic where I get the active_era using the below code :
Staking::<T>::active_era()
.map(|e| e....
- 759
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1
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74
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Quadratic complexity in Benchmarking
I am trying to understand if quadratic complexity is bad (gives inaccurate results) when used for benchmarking:
I have a pallet whose weight would ideally depend on x * y where x and y are lengths of ...
- 3,722
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23
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How to account for ensure_signed calls?
Let's say our pallet dispatchable returns DispatchResultWithPostInfo, where we are trying to manually calculate the weight, albeit with helpers obtained from benchmarking, but that's not relevant to ...
- 3,722
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29
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Can we use std crates in benchmarking?
For benchmarking I can see a need to use random number generators for maybe verification of a random storage or such. Do we have utilities provided by the frame_benchmarking framework itself or is it ...
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41
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Who are whitelisted_callers?
On benchmarks one can often see whitelisted_caller() being used to test extrinsics and I wonder, how do they bypass the need for fee, and even pay for extrinsics like transfer_keep_alive for ...
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53
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How to benchmark frame-system on parachain?
After upgrading the Substrate to polkadot-v0.9.43.
I got the following error while running the runtime benchmarks.
2023-07-21 19:55:56 Starting benchmark: frame_system::set_code
Error: Input("...
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3
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1
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41
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Error: "Did not find the benchmarking metadata" after building runtime for benchmarking
After upgrading our chain to polkadot 0.9.38 I managed to build the benchmarking using cargo build --release --features runtime-benchmarks but when I try to benchmark any pallet after the build I ...
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152
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How does the benchmark calculate the proof size?
I have no idea why this call uses such a lot proof size (around 4MB).
It looks like it doesn't change too many storage items.
https://github.com/darwinia-network/darwinia-messages-substrate/blob/...
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5
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1
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48
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frame-benchmarking::v2 doesn't work for force_origin
In Config of my pallet I have:
type FilteredOrigin: EnsureOriginWithArg<
Self::RuntimeOrigin,
SomeEnum,
Success = Self::AccountId
>;
And there is an ...
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33
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Benchmarks not getting skipped with Err(BenchmarkError::Skip)
I am using the pallet_xcm_benchmarks, in the config for pallet_xcm_benchmarks::generic,
I have used
impl pallet_xcm_benchmarks::generic::Config for Runtime {
fn worst_case_asset_exchange() -> ...
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4
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1
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76
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Missing XCM benchmark `reserve_asset_deposited`
I'm upgrading our parachain based on Polkadot 0.9.40 here. Now in the process of benchmarking xcm operations, I notice there is no benchmark for reserve_asset_deposited in XCM fungible benchmarks! I ...
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37
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Associated types in benchmark `where` bound
I'm trying to constrain the value of an associated type of a trait inside a benchmark's where bound, like this:
#[benchmarks(where T: currency::Config<Balance = u128>)]
pub mod benchmarks {
...
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56
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Can't write to StorageMap when benchmarking, EncodeLike is not implemented for any type even if it's the same in pallet
I have the following StorageMap defined in my pallet:
#[pallet::storage]
pub(super) type Signatures<T: Config> = StorageMap<
_,
Blake2_128Concat,
T::Hash,
BoundedBTreeMap<...
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2
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27
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Does substrate offer benchmarking utilities in outer node?
I have some heavy computation done off-chain (in outer node) and i want to benchmark those functions, does substrate offer tools for doing it or should i rely on a third party library to do that?
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1
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65
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How to create a bunch of key pairs when benchmarking?
I want to benchmark verifying sr25519 signatures and for that I need to create a bunch of key pairs, sign some data, then benchmark the verification process, however using sp_core::sr25519::Pair is ...
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52
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Benchmark failing extrinsics
Is there a way to benchmark an extrinsic whose expected behavior is to trigger an error?
I stumbled on a project where we have two instances of the same pallet. Instance1 will proceed normally for a ...
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3
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82
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Custom benchmarks for external pallets
We use some external pallets that are highly configurable. The weight of the extrinsics in these pallets is highly dependent on the callback supplied in the config, and the existing benchmarks don't ...
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108
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cannot create module: instance allocation for this module requires 74376 bytes which exceeds the configured maximum of 65536 bytes
Try in to benchmark node pallets after Polkadot upgrade from 0.9.36 to 0.9.38 and get cannot create module: instance allocation for this module requires 74376 bytes which exceeds the configured ...
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55
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Estimated proof size less than measured
I was running some benchmark, and noticed that the estimated proof size was less than the measured size, despite MaxEncodedLen being used in this crate. The estimation of 0 is clearly wrong, but this ...
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78
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What is Dev Mode? And how can I use it?
I heard there is something called Dev Mode in Substrate for pallet development.
What is Dev Mode? And how can I use it?
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67
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Benchmarking multiple instances
We have two instances of a pallet with different runtime configurations. How can we run the benchmarks separately to generate two distinct sets of weights?
As far as I can tell this is not possible ...
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66
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Proof Skipped in benchmark
We're updating our weights to weights 2.0 but we're getting a lot of Proof Skipped lines in the output. What is the impact of this, and how do we fix it?
Example output:
/// Proof Skipped: Escrow ...
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56
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`Currency::create_deposit` of `pallet_balance` fail on actual runtime but passes on mock rutime
The benchmark is written as:
one_extrinsic {
let caller: <T as frame_system::Config>::AccountId = make_account::<T>(1);
assert_eq!(
<T as crate::Config&...
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208
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1010: Invalid Transaction: Transaction would exhaust the block limits
How to specify limit weight for extrinsic?
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45
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Error: Input Runtime benchmarking wasn't enabled when building the node
I'm following along this benchmark docs to run benchmarking on my Substrate node (dependencies on branch = "polkadot-v0.9.25") with the command cargo build --release --features runtime-...
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23
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Use sightglass for wasmtime benchmarking
Did anyone ever successfully use sightglass for benchmarking of Substrate in wasmtime?
I'm trying to build the following sightglass benchmarking suite / Dockerfile:
RUN echo 'APT::Install-Suggests &...
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41
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How to benchmark huge bounded vectors?
I want to have a queue system in a pallet using a storage value and a bounded vector.
/// Data related to tranmission queues.
#[pallet::storage]
#[pallet::getter(fn at_block_queue)]
pub type ...
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29
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How many (order of magnitude) Parachains can run on a Relaychain?
Does anyone have data/experience that indicates how many Substrate Parachains can run under one Substrate Relaychain?
I understand this will be hardware specific, so it will help if you can give some ...
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1
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32
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Use criterion for statistic driven benchmarking of Substrate pallets
Criterion version 0.4.0 seems to support WASM builds: https://www.tweag.io/blog/2022-03-03-criterion-rs/#first-class-wasm-support
Can we us it to benchmark extrinsics of Substrate pallets?
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How do i generate signatures in benchmarking.rs? [duplicate]
I am trying to generate an sr25519 signature within benchmarks. But i am facing an error that doesn't make sense to me.
let sig: T::Signature = acc_pair.sign(&schema.encode()); | -...
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75
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Using Autogenerated Weights
I'm wondering about weights. The docs are quite outdated here and I do not understand what is going on. I've managed to create benchmarks and generate a weight.rs.
https://github.com/paritytech/...
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What reference hardware can a parachain use to benchmark & generate weights?
The 2022 tracking issue for Substrate benchmarks mentions that Polkadot uses this reference hardware of this specification to generate weights:
Reference Hardware
The transaction weights in Polkadot ...
Nuke♦
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How can I get time in ms for executing pallet calls?
I'm trying to measure the time a pallet call takes, in milliseconds.
So I can compare for different setups the call 'impact', for example use different numbers of collators, and gather useful data to ...
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1
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61
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How to decrease time it takes to benchmark?
I have the following benchmark that takes a very long time to complete. What measures can I take to improve the time it takes to run the benchmark without losing its effectiveness?
on_initialize {
...
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66
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Benchmark weights output
Can someone please explain the following output:
Why did the weights generate a zero input?
Weight::from_ref_time(0 as u64)
What is the fastest way to eyeball this and conclude whether these weights ...
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What does #[skip_meta] do?
I notice some benchmarks in Frame have #[skip_meta].
What does this macro do?
Please explain when one should use this macro when benchmarking.
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78
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How to benchmark functions with multiple logical paths? [duplicate]
The purpose of a benchmarking functions is to find the resources consumed by a functions in the worst case scenario. Is there any tools/methodlogy available so that , we can find the most resource ...
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How to test my bench-marking functions?
I have written benchmarking functions from my pallet. How I can test these benchmarking functions please?
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