From 0919a6c0a363115f7fad783e8eab09790e6f61a7 Mon Sep 17 00:00:00 2001
From: Juhyun Lee <impjdi@google.com>
Date: Wed, 1 Feb 2023 09:43:28 -0800
Subject: [PATCH] Log which InferenceCalculator impl is used at runtime.

PiperOrigin-RevId: 506343086
---
 mediapipe/calculators/tensor/inference_calculator.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/mediapipe/calculators/tensor/inference_calculator.cc b/mediapipe/calculators/tensor/inference_calculator.cc
index 4ccdc07e1..2a6936eba 100644
--- a/mediapipe/calculators/tensor/inference_calculator.cc
+++ b/mediapipe/calculators/tensor/inference_calculator.cc
@@ -63,6 +63,10 @@ class InferenceCalculatorSelectorImpl
     for (const auto& suffix : impls) {
       const auto impl = absl::StrCat("InferenceCalculator", suffix);
       if (!mediapipe::CalculatorBaseRegistry::IsRegistered(impl)) continue;
+      VLOG(1) << "Using " << suffix << " for InferenceCalculator with "
+              << (options.has_model_path()
+                      ? "model " + options.model_path()
+                      : "output_stream " + subgraph_node.output_stream(0));
       CalculatorGraphConfig::Node impl_node = subgraph_node;
       impl_node.set_calculator(impl);
       return tool::MakeSingleNodeGraph(std::move(impl_node));