rtx-cfd legacy GPU tests: the current CudaKernelManager API (Arc-held manager, allocate-on-copy, copy_from_device returning the host vector), MatrixOpsKernel::tridiagonal_matvec added over the existing kernel, PoissonKernel::solve_jacobi_2d kept as the older name; CfdConfig literals take ..Default

crates/specialized/rtx-cfd/tests/cuda_kernel_manager_tests.rs

@@ -20,6 +20,7 @@ mod cuda_kernel_manager_tests {
             viscosity: 0.01,
             density: 1.0,
             device_id: 0,
+        ..CfdConfig::default()
         }
     }
 
@@ -31,7 +32,7 @@ mod cuda_kernel_manager_tests {
         }
 
         let config = create_test_config();
-        let manager = CudaKernelManager::new(&config)?;
+        let manager = std::sync::Arc::new(CudaKernelManager::new(&config)?);
 
         // Verify manager is created successfully
         // Context and stream should be valid (non-null references)
@@ -49,7 +50,7 @@ mod cuda_kernel_manager_tests {
         }
 
         let config = create_test_config();
-        let manager = CudaKernelManager::new(&config)?;
+        let manager = std::sync::Arc::new(CudaKernelManager::new(&config)?);
 
         // Test that required modules are loaded
         // Getting a module should succeed and return a valid Arc reference
@@ -72,7 +73,7 @@ mod cuda_kernel_manager_tests {
         }
 
         let config = create_test_config();
-        let manager = CudaKernelManager::new(&config)?;
+        let manager = std::sync::Arc::new(CudaKernelManager::new(&config)?);
 
         // Test that non-existent module returns error
         let result = manager.get_module("nonexistent_module");
@@ -92,7 +93,7 @@ mod cuda_kernel_manager_tests {
         }
 
         let config = create_test_config();
-        let manager = CudaKernelManager::new(&config)?;
+        let manager = std::sync::Arc::new(CudaKernelManager::new(&config)?);
 
         // Test allocating GPU memory
         let size = 1024;
@@ -110,7 +111,7 @@ mod cuda_kernel_manager_tests {
         }
 
         let config = create_test_config();
-        let manager = CudaKernelManager::new(&config)?;
+        let manager = std::sync::Arc::new(CudaKernelManager::new(&config)?);
 
         // Test copying data to GPU
         let host_data: Vec<f32> = (0..100).map(|i| i as f32).collect();
@@ -128,7 +129,7 @@ mod cuda_kernel_manager_tests {
         }
 
         let config = create_test_config();
-        let manager = CudaKernelManager::new(&config)?;
+        let manager = std::sync::Arc::new(CudaKernelManager::new(&config)?);
 
         // Test round-trip copy: host -> device -> host
         let original_data: Vec<f32> = (0..100).map(|i| i as f32 * 0.1).collect();
@@ -159,7 +160,7 @@ mod cuda_kernel_manager_tests {
         }
 
         let config = create_test_config();
-        let manager = CudaKernelManager::new(&config)?;
+        let manager = std::sync::Arc::new(CudaKernelManager::new(&config)?);
 
         // Test that synchronization doesn't error
         manager.synchronize()?;