From c6f0e832da05bd5342e39b0fb1026fcb3b6b8bf2 Mon Sep 17 00:00:00 2001
From: Chris Rohlf <chris.rohlf@gmail.com>
Date: Fri, 2 Jan 2026 05:09:36 -0500
Subject: [PATCH] rpc : use unordered_map::reserve and emplace (#18513)

---
 ggml/src/ggml-rpc/ggml-rpc.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ggml/src/ggml-rpc/ggml-rpc.cpp b/ggml/src/ggml-rpc/ggml-rpc.cpp
index 164b39d01e..d7c8ad8c16 100644
--- a/ggml/src/ggml-rpc/ggml-rpc.cpp
+++ b/ggml/src/ggml-rpc/ggml-rpc.cpp
@@ -1517,10 +1517,12 @@ bool rpc_server::graph_compute(const std::vector<uint8_t> & input) {
     struct ggml_cgraph * graph = ggml_new_graph_custom(ctx, n_nodes, false);
     graph->n_nodes = n_nodes;
     std::unordered_map<uint64_t, const rpc_tensor*> tensor_ptrs;
+    tensor_ptrs.reserve(n_tensors);
     for (uint32_t i = 0; i < n_tensors; i++) {
-        tensor_ptrs[tensors[i].id] = &tensors[i];
+        tensor_ptrs.emplace(tensors[i].id, &tensors[i]);
     }
     std::unordered_map<uint64_t, ggml_tensor*> tensor_map;
+    tensor_map.reserve(n_nodes);
     for (uint32_t i = 0; i < n_nodes; i++) {
         int64_t id;
         memcpy(&id, &nodes[i], sizeof(id));