From 11189fbe12e38f55ab0be8762365da05487e57fb Mon Sep 17 00:00:00 2001
From: Jeff Bolz <jbolz@nvidia.com>
Date: Mon, 24 Nov 2025 09:39:54 -0600
Subject: [PATCH] vulkan: allow graph_optimize for prompt processing workloads

---
 ggml/src/ggml-vulkan/ggml-vulkan.cpp | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/ggml/src/ggml-vulkan/ggml-vulkan.cpp b/ggml/src/ggml-vulkan/ggml-vulkan.cpp
index bc8d3cdcb59da..db1ffa9bb4df2 100644
--- a/ggml/src/ggml-vulkan/ggml-vulkan.cpp
+++ b/ggml/src/ggml-vulkan/ggml-vulkan.cpp
@@ -12990,24 +12990,6 @@ static void ggml_vk_graph_optimize(ggml_backend_t backend, struct ggml_cgraph *
         return false;
     };
 
-    // This function tries to reorder the graph to allow nodes to run in parallel.
-    // This helps with small batches, but for large batches its a slowdown, probably
-    // due to cache contention. So only reorder if the majority of nodes have few rows.
-    int num_small_nodes = 0;
-    int num_counted_nodes = 0;
-    for (int i = 0; i < graph->n_nodes; ++i) {
-        if (!is_empty(graph->nodes[i]) &&
-            graph->nodes[i]->op != GGML_OP_SET_ROWS) {
-            if (ggml_nrows(graph->nodes[i]) <= 8) {
-                num_small_nodes++;
-            }
-            num_counted_nodes++;
-        }
-    }
-    if (num_small_nodes < num_counted_nodes / 2) {
-        return;
-    }
-
     std::vector<ggml_tensor *> new_order;
     std::vector<bool> used(graph->n_nodes, false);
     std::set<ggml_tensor *> used_node_set;