Reserve vector in cluster function

tenstorrent · Jan 7, 2025 · eda9d65 · eda9d65
1 parent 8a683ef
commit eda9d65
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/tt_metal/llrt/tt_cluster.cpp b/tt_metal/llrt/tt_cluster.cpp
@@ -982,6 +982,7 @@ void Cluster::set_internal_routing_info_for_ethernet_cores(bool enable_internal_
     std::vector<chip_id_t> non_mmio_devices;
     std::vector<chip_id_t> mmio_devices = target_mmio_devices;
     if (mmio_devices.size() == 0) {
+        mmio_devices.reserve(tt::Cluster::instance().number_of_pci_devices());
         for (const auto &[assoc_mmio_device, devices] : this->devices_grouped_by_assoc_mmio_device_) {
             mmio_devices.emplace_back(assoc_mmio_device);
         }