From 2f7b254600b063407e6f60a9733c34cace25290b Mon Sep 17 00:00:00 2001
From: Elias Stehle <3958403+elstehle@users.noreply.github.com>
Date: Thu, 31 Mar 2022 04:11:44 -0700
Subject: [PATCH] Added utility to debug print & instrumented code to use it

---
 cpp/src/io/fst/logical_stack.cuh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/cpp/src/io/fst/logical_stack.cuh b/cpp/src/io/fst/logical_stack.cuh
index 5149ade7c1c..03a8fdadc1f 100644
--- a/cpp/src/io/fst/logical_stack.cuh
+++ b/cpp/src/io/fst/logical_stack.cuh
@@ -438,6 +438,14 @@ void sparse_stack_op_to_top_of_stack(StackSymbolItT d_symbols,
                            get_stack_level_iterator(d_kv_operations.Current()),
                            get_value_iterator(d_kv_operations.Current()));
 
+  // Dump info on stack operations: (stack level change + symbol) -> (absolute stack level + symbol)
+  test::print::print_array(num_symbols_in,
+                           stream,
+                           get_key_it(stack_symbols_in),
+                           get_value_it(stack_symbols_in),
+                           get_key_it(d_kv_operations.Current()),
+                           get_value_it(d_kv_operations.Current()));
+
   // Stable radix sort, sorting by stack level of the operations
   d_kv_operations_unsigned = cub::DoubleBuffer<StackOpUnsignedT>{
     reinterpret_cast<StackOpUnsignedT*>(d_kv_operations.Current()),