add a host_buft assert in case of integrated_cuda_device with func:'evaluate_and_capture_cuda_graph()'

Author: Yangxiaoz

ggml/src/ggml-cuda/ggml-cuda.cu

@@ -2645,6 +2645,8 @@ static void update_cuda_graph_executable(ggml_backend_cuda_context * cuda_ctx) {
 
 static void evaluate_and_capture_cuda_graph(ggml_backend_cuda_context * cuda_ctx, ggml_cgraph * cgraph,
     bool & graph_evaluated_or_captured, bool & use_cuda_graph, bool & cuda_graph_update_required) {
+    //flag used to determine whether it is an integrated_gpu 
+    const bool integrated = ggml_cuda_info().devices[cuda_ctx->device].integrated;
 
     while (!graph_evaluated_or_captured) {
         // Only perform the graph execution if CUDA graphs are not enabled, or we are capturing the graph.
@@ -2663,7 +2665,7 @@ static void evaluate_and_capture_cuda_graph(ggml_backend_cuda_context * cuda_ctx
                     if (node->src[j] != nullptr) {
                         assert(node->src[j]->buffer);
                         assert(node->src[j]->buffer->buft == ggml_backend_cuda_buffer_type(cuda_ctx->device) ||
-                               ggml_backend_buft_is_cuda_split(node->src[j]->buffer->buft));
+                               ggml_backend_buft_is_cuda_split(node->src[j]->buffer->buft) || (integrated && ggml_backend_buft_is_cuda_host(node->src[j]->buffer->buft)));
                     }
                 }
 #endif