tqchen commented on code in PR #16815:
URL: https://github.com/apache/tvm/pull/16815#discussion_r1544110894
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src/runtime/relax_vm/cuda/cuda_graph_builtin.cc:
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@@ -31,6 +31,46 @@ namespace tvm {
namespace runtime {
namespace relax_vm {
+struct CUDAGraphCaptureKey {
+ int64_t index;
+ ShapeTuple shape_expr;
+
+ CUDAGraphCaptureKey(int64_t index, const Optional<ShapeTuple>& shape_expr) :
index(index) {
+ if (shape_expr) {
+ this->shape_expr = shape_expr.value();
+ }
+ }
+
+ bool operator==(const CUDAGraphCaptureKey& other) const {
+ return index == other.index && std::equal(shape_expr.begin(),
shape_expr.end(),
+ other.shape_expr.begin(),
other.shape_expr.end());
Review Comment:
what happens if shape_expr is nullptr?
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