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Add reserve in p_bench.cc

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greg7mdp
2023-10-09 17:15:37 -04:00
parent 7e2b66c2b2
commit b6ad902d48
1 changed files with 1 additions and 0 deletions
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examples/p_bench.cc
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@@ -118,6 +118,7 @@ void renumber(const std::vector< uint64_t > & vertex_ids,
threadpool pool((supports_parallel_insertion) ? num_threads : 1); threadpool pool((supports_parallel_insertion) ? num_threads : 1);
stopwatch.start(); stopwatch.start();
new_ids.reserve(vertex_ids.size() * 110 / 100);
pool.parallel_for(vertex_ids.size(), [&](uint64_t i){ pool.parallel_for(vertex_ids.size(), [&](uint64_t i){
auto id = new_id++; auto id = new_id++;
new_ids[vertex_ids[i]] = id; new_ids[vertex_ids[i]] = id;