From 7c7771a12bfbcab9c42f25b9c7b5e27d9e8d41a4 Mon Sep 17 00:00:00 2001
From: Charles Kerr <charles@charleskerr.com>
Date: Mon, 3 Jul 2023 21:57:09 -0500
Subject: [PATCH] perf: use small:set in tr_file_piece_map::reset() (#5720)

---
 libtransmission/file-piece-map.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libtransmission/file-piece-map.cc b/libtransmission/file-piece-map.cc
index 323d4b876..9fa0b6e6d 100644
--- a/libtransmission/file-piece-map.cc
+++ b/libtransmission/file-piece-map.cc
@@ -3,9 +3,10 @@
 // or any future license endorsed by Mnemosyne LLC.
 // License text can be found in the licenses/ folder.
 
-#include <set>
 #include <vector>
 
+#include <small/set.hpp>
+
 #include "libtransmission/transmission.h"
 
 #include "libtransmission/block-info.h"
@@ -21,7 +22,8 @@ void tr_file_piece_map::reset(tr_block_info const& block_info, uint64_t const* f
     file_pieces_.resize(n_files);
     file_pieces_.shrink_to_fit();
 
-    auto edge_pieces = std::set<tr_piece_index_t>{};
+    auto edge_pieces = small::set<tr_piece_index_t, 1024U>{};
+    edge_pieces.reserve(n_files * 2U);
 
     uint64_t offset = 0;
     for (tr_file_index_t i = 0; i < n_files; ++i)