From af19860c04e064dfdf86cfe92c82b96c61a2f341 Mon Sep 17 00:00:00 2001
From: Omar Sobh <osobh@redclaw.dev>
Date: Wed, 16 Sep 2026 07:16:52 -0500
Subject: [PATCH] =?UTF-8?q?rtx-cfd=20k-=CE=B5=20GPU:=20memcpy=5Fdtoh=20arg?=
 =?UTF-8?q?ument=20order?=
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---
 crates/specialized/rtx-cfd/src/turbulence/k_epsilon_gpu.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crates/specialized/rtx-cfd/src/turbulence/k_epsilon_gpu.rs b/crates/specialized/rtx-cfd/src/turbulence/k_epsilon_gpu.rs
index 6a50f82..3abe407 100644
--- a/crates/specialized/rtx-cfd/src/turbulence/k_epsilon_gpu.rs
+++ b/crates/specialized/rtx-cfd/src/turbulence/k_epsilon_gpu.rs
@@ -447,7 +447,7 @@ impl KEpsilonGpuModel {
 
         self.kernel_manager
             .stream()
-            .memcpy_dtoh(&mut eddy_viscosity_host, &buffers.eddy_viscosity)
+            .memcpy_dtoh(&buffers.eddy_viscosity, &mut eddy_viscosity_host)
             .map_err(|e| {
                 CfdError::gpu_error(&format!("Failed to copy eddy viscosity from GPU: {}", e))
             })?;