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Add print graph functionality #395

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28 changes: 20 additions & 8 deletions sycl/source/detail/graph/graph_impl.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -316,18 +316,30 @@ class graph_impl : public std::enable_shared_from_this<graph_impl> {
/// @param Verbose If true, print additional information about the nodes such
/// as kernel args or memory access where applicable.
void printGraphAsDot(const std::string FilePath, bool Verbose) const {
/// Vector of nodes visited during the graph printing
std::vector<node_impl *> VisitedNodes;
if (MEnableNativeRecording && MNativeGraphHandle) {
context_impl &ContextImpl = *sycl::detail::getSyclObjImpl(MContext);
sycl::detail::adapter_impl &Adapter = ContextImpl.getAdapter();
ur_result_t Result =
Adapter.call_nocheck<sycl::detail::UrApiKind::urGraphDumpContentsExp>(
MNativeGraphHandle, FilePath.c_str());
if (Result != UR_RESULT_SUCCESS) {
throw sycl::exception(sycl::make_error_code(errc::runtime),
"Failed to dump native UR graph contents");
}
} else {
/// Vector of nodes visited during the graph printing
std::vector<node_impl *> VisitedNodes;

std::fstream Stream(FilePath, std::ios::out);
Stream << "digraph dot {" << std::endl;
std::fstream Stream(FilePath, std::ios::out);
Stream << "digraph dot {" << std::endl;

for (node_impl &Node : roots())
Node.printDotRecursive(Stream, VisitedNodes, Verbose);
for (node_impl &Node : roots())
Node.printDotRecursive(Stream, VisitedNodes, Verbose);

Stream << "}" << std::endl;
Stream << "}" << std::endl;

Stream.close();
Stream.close();
}
}

/// Make an edge between two nodes in the graph. Performs some mandatory
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