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perf(trie): preallocate capacity for removed_accounts vector #21659

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perf(trie): preallocate capacity for removed_accounts vector #21659

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2 changes: 1 addition & 1 deletion crates/engine/tree/src/tree/payload_processor/sparse_trie.rs
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Expand Up @@ -703,7 +703,7 @@ where
// branch node during a removal and then re-add that branch back during a later leaf addition.
// This is an optimization, but also a requirement inherited from multiproof generating, which
// can't know the order that leaf operations happen in.
let mut removed_accounts = Vec::new();
let mut removed_accounts = Vec::with_capacity(state.accounts.len() + results.len());

// Update account storage roots
let _enter =
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