因此,要想深入了解cudagraph,我们需要深入了解cudagraph里能够有哪些节点。 根据cudaGraphNodeType的文档以及对应节点的参数类型的文档,我们可以看到下列类型的节点: GPU kernel node,表示一个cuda kernel Memcpy node,可以进行device与host之间的内存拷贝 Memset node,对device memory进行初始化 Host (executable) node, ...
cudaGraphGetNodes(graph, &node, nullptr, 1); cudaGraphExecKernelNodeSetParams(graphExec, node, &nodeParams); // 替换输入内存nodeParams.kernelParams[0] = &new_input_ptr; cudaGraphExecUpdate(graphExec, graph, nullptr, nullptr, nullptr); // 启动 CUDA GraphcudaGraphLaunch(graphExec, stream); ...
Support to correlate the CUDA Graph node with the GPU activities: kernel, memcpy, memset. Added a new field graphNodeId for Node Id in the activity records for kernel, memcpy, memset and P2P transfers. Activity records CUpti_ActivityKernel4, CUpti_ActivityMemcpy2, CUpti_ActivityMemset, and CUp...
//Set the attributes to a CUDA Graph Kernel node of type cudaGraphNode_t cudaGraphKernelNodeSetAttribute(node, cudaKernelNodeAttributeAccessPolicyWindow, &node_attribute); hitRatio参数可用于指定接收hitProp属性的访问比例。 在上面的两个示例中,全局内存区域 [ptr..ptr+num_bytes) 中 60% 的内存访问具...
cudaGraph_t _capturing_graph; cudaStreamCaptureStatus _capture_status; const cudaGraphNode_t *_deps; size_t _dep_count; cudaStreamGetCaptureInfo_v2(stream, &_capture_status, nullptr &_capturing_graph, &_deps, &_dep_count); // Manuallyadd a new kernel node ...
cudaGraphKernelNodeSetAttribute(node, cudaKernelNodeAttributeAccessPolicyWindow, &node_attribute); 可以使用hitRatio参数指定接收hitProp属性的访问的比例。在上面的两个示例中,全局内存区域中60%的内存访问[ptr..ptr+num_bytes]具有持久化属性,40%的内存访问具有流属性。哪些特定的内存访问被分类为持久化(hitProp)...
// at node creation. cudaGraphAddKernelNode(&a,graph,NULL,0,&nodeParams); cudaGraphAddKernelNode(&b,graph,NULL,0,&nodeParams); cudaGraphAddKernelNode(&c,graph,NULL,0,&nodeParams); cudaGraphAddKernelNode(&d,graph,NULL,0,&nodeParams); ...
cudaGraphAddKernelNode(&a, graph, NULL, 0, &nodeParams); cudaGraphAddKernelNode(&b, graph, NULL, 0, &nodeParams); cudaGraphAddKernelNode(&c, graph, NULL, 0, &nodeParams); cudaGraphAddKernelNode(&d, graph, NULL, 0, &nodeParams); ...
enum cudaGraphDebugDotFlags enum cudaGraphDependencyType enum cudaGraphExecUpdateResult enum cudaGraphInstantiateFlags enum cudaGraphInstantiateResult enum cudaGraphKernelNodeField enum cudaGraphMemAttributeType enum cudaGraphNodeType enum cudaGraphicsCubeFace enum cudaGraphicsMapFlags enum cudaGra...