From ef0c4f69cc49283caf27d8964819cedaacb2e13a Mon Sep 17 00:00:00 2001
From: Pekka Enberg <penberg@iki.fi>
Date: Sat, 2 Sep 2023 13:59:41 +0300
Subject: [PATCH] Allocate vector with capacity

...reduces memory allocations.
---
 core/vdbe.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/vdbe.rs b/core/vdbe.rs
index e4244086d..42b58f9b3 100644
--- a/core/vdbe.rs
+++ b/core/vdbe.rs
@@ -238,7 +238,7 @@ impl Program {
                     register_start,
                     register_end,
                 } => {
-                    let mut values = vec![];
+                    let mut values = Vec::with_capacity(*register_end - *register_start);
                     for i in *register_start..*register_end {
                         values.push(state.registers[i].clone().unwrap());
                     }