From 5b9d51bc9c49a55779228b7f023fb34d770f7889 Mon Sep 17 00:00:00 2001
From: Christopher Dilks <c-dilks@users.noreply.github.com>
Date: Tue, 24 Sep 2024 11:59:37 -0400
Subject: [PATCH] perf: use `single` concurrency model for single-threaded
 tests

---
 src/iguana/tests/include/TestAlgorithm.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/iguana/tests/include/TestAlgorithm.h b/src/iguana/tests/include/TestAlgorithm.h
index ef0446c1..43e4de02 100644
--- a/src/iguana/tests/include/TestAlgorithm.h
+++ b/src/iguana/tests/include/TestAlgorithm.h
@@ -2,6 +2,7 @@
 
 #include <hipo4/reader.h>
 #include <iguana/algorithms/AlgorithmSequence.h>
+#include <iguana/services/GlobalParam.h>
 
 inline int TestAlgorithm(
     std::string command,
@@ -23,6 +24,9 @@ inline int TestAlgorithm(
     return 1;
   }
 
+  // set the concurrency model to single-threaded, for optimal performance
+  iguana::GlobalConcurrencyModel = "single";
+
   // open the HIPO file; we use 2 readers, one for 'before' (i.e., not passed through iguana), and one for 'after'
   // (passed through iguana), so we may compare them
   hipo::reader reader_before(data_file.c_str()); // NOTE: not copy-constructable, so make two separate readers