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    • Léa Narzis's avatar
    • Oliver Tale-Yazdi's avatar
      [FRAME] Runtime Omni Bencher (#3512) · 9543d314
      Oliver Tale-Yazdi authored
      This MR contains two major changes and some maintenance cleanup.  
      
      ## 1. Free Standing Pallet Benchmark Runner
      
      Closes https://github.com/paritytech/polkadot-sdk/issues/3045, depends
      on your runtime exposing the `GenesisBuilderApi` (like
      https://github.com/paritytech/polkadot-sdk/pull/1492).
      
      Introduces a new binary crate: `frame-omni-bencher`.  
      It allows to directly benchmark a WASM blob - without needing a node or
      chain spec.
      
      This makes it much easier to generate pallet weights and should allow us
      to remove bloaty code from the node.
      It should work for all FRAME runtimes that dont use 3rd party host calls
      or non `BlakeTwo256` block hashing (basically all polkadot parachains
      should work).
      
      It is 100% backwards compatible with the old CLI args, when the `v1`
      compatibility command is used. This is done to allow for forwards
      compatible addition of new commands.
      
      ### Example (full example in the Rust docs)
      
      Installing the CLI:
      ```sh
      cargo install --locked --path substrate/utils/frame/omni-bencher
      frame-omni-bencher --help
      ```
      
      Building the Westend runtime:
      ```sh
      cargo build -p westend-runtime --release --features runtime-benchmarks
      ```
      
      Benchmarking the runtime:
      ```sh
      frame-omni-bencher v1 benchmark pallet --runtime target/release/wbuild/westend-runtime/westend_runtime.compact.compressed.wasm --all
      ```
      
      ## 2. Building the Benchmark Genesis State in the Runtime
      
      Closes https://github.com/paritytech/polkadot-sdk/issues/2664
      
      This adds `--runtime` and `--genesis-builder=none|runtime|spec`
      arguments to the `benchmark pallet` command to make it possible to
      generate the genesis storage by the runtime. This can be used with both
      the node and the freestanding benchmark runners. It utilizes the new
      `GenesisBuilder` RA and depends on having
      https://github.com/paritytech/polkadot-sdk/pull/3412
      
       deployed.
      
      ## 3. Simpler args for `PalletCmd::run`
      
      You can do three things here to integrate the changes into your node:
      - nothing: old code keeps working as before but emits a deprecated
      warning
      - delete: remove the pallet benchmarking code from your node and use the
      omni-bencher instead
      - patch: apply the patch below and keep using as currently. This emits a
      deprecated warning at runtime, since it uses the old way to generate a
      genesis state, but is the smallest change.
      
      ```patch
      runner.sync_run(|config| cmd
      -    .run::<HashingFor<Block>, ReclaimHostFunctions>(config)
      +    .run_with_spec::<HashingFor<Block>, ReclaimHostFunctions>(Some(config.chain_spec))
      )
      ```
      
      ## 4. Maintenance Change
      - `pallet-nis` get a `BenchmarkSetup` config item to prepare its
      counterparty asset.
      - Add percent progress print when running benchmarks.
      - Dont immediately exit on benchmark error but try to run as many as
      possible and print errors last.
      
      ---------
      
      Signed-off-by: default avatarOliver Tale-Yazdi <[email protected]>
      Co-authored-by: default avatarLiam Aharon <[email protected]>
      9543d314
    • HongKuang's avatar
      Fix some typos (#4018) · bd4471b4
      HongKuang authored
      
      
      Signed-off-by: default avatarhongkuang <[email protected]>
      bd4471b4
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