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Switch to pooling copy-on-write instantiation strategy for WASM (companion for Substrate#11232) (#5337)

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* Switch to pooling copy-on-write instantiation strategy for WASM

* Fix compilation of `polkadot-test-service`

* Update comments

* Move `max_memory_size` to `Semantics`

* Rename `WasmInstantiationStrategy` to `WasmtimeInstantiationStrategy`

* Update a safety comment

* update lockfile for {"substrate"}

Co-authored-by: parity-processbot <>
This commit is contained in:
Koute
2022-05-19 20:06:34 +09:00
committed by GitHub
parent f1006f5a43
commit d9eff4ecd4
8 changed files with 241 additions and 298 deletions
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polkadot/node/core/pvf/src/testing.rs
+7 -2
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@@ -36,10 +36,15 @@ pub fn validate_candidate(
let blob = prevalidate(&*code)?;
let artifact = prepare(blob)?;
let tmpdir = tempfile::tempdir()?;
let artifact_path = tmpdir.path().join("blob");
std::fs::write(&artifact_path, &artifact)?;
let executor = TaskExecutor::new()?;
let result = unsafe {
// SAFETY: This is trivially safe since the artifact is obtained by calling `prepare`.
execute(&artifact, params, executor)?
// SAFETY: This is trivially safe since the artifact is obtained by calling `prepare`
// and is written into a temporary directory in an unmodified state.
execute(&artifact_path, params, executor)?
};
Ok(result)