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State cache and other performance optimizations (#1345)

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* State caching

* Better code caching

* Execution optimizaton

* More optimizations

* Updated wasmi

* Caching test

* Style

* Style

* Reverted some minor changes

* Style and typos

* Style and typos

* Removed panics on missing memory
This commit is contained in:
Arkadiy Paronyan
2019-01-08 15:13:13 +03:00
committed by Gav Wood
parent e0639c435b
commit b104c02eb6
26 changed files with 796 additions and 266 deletions
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substrate/core/state-machine/src/backend.rs
+7 -2
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@@ -40,10 +40,15 @@ pub trait Backend<H: Hasher> {
/// Type of trie backend storage.
type TrieBackendStorage: TrieBackendStorage<H>;
/// Get keyed storage associated with specific address, or None if there is nothing associated.
/// Get keyed storage or None if there is nothing associated.
fn storage(&self, key: &[u8]) -> Result<Option<Vec<u8>>, Self::Error>;
/// Get keyed child storage associated with specific address, or None if there is nothing associated.
/// Get keyed storage value hash or None if there is nothing associated.
fn storage_hash(&self, key: &[u8]) -> Result<Option<H::Out>, Self::Error> {
self.storage(key).map(|v| v.map(|v| H::hash(&v)))
}
/// Get keyed child storage or None if there is nothing associated.
fn child_storage(&self, storage_key: &[u8], key: &[u8]) -> Result<Option<Vec<u8>>, Self::Error>;
/// true if a key exists in storage.