File: InferenceMode.cpp

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pytorch 1.13.1%2Bdfsg-4
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#include <c10/core/InferenceMode.h>
#include <stdexcept>

namespace c10 {
// Invariant:
//   is_enabled() ==
//   !c10::impl::tls_is_dispatch_key_included(DispatchKey::ADInplaceOrView);
// InferenceMode::is_enabled() is in perf critical path (TensorImpl constructor)
// so it worths a separate TLS to skip the DispatchKeySet check.
bool InferenceMode::is_enabled() {
  return AutogradState::get_tls_state().get_inference_mode();
}
} // namespace c10