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minor optimize build_vk: avoid realloc #793

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minor optimize build_vk: avoid realloc #793

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2 changes: 1 addition & 1 deletion halo2_proofs/src/plonk/permutation/keygen.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -132,7 +132,7 @@ impl Assembly {
}

// Pre-compute commitments for the URS.
let mut commitments = vec![];
let mut commitments = Vec::with_capacity(p.columns.len());
for i in 0..p.columns.len() {
// Computes the permutation polynomial based on the permutation
// description in the assembly.
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