From c2fc962766b782a32bd9fc563c967ceebd4ebd49 Mon Sep 17 00:00:00 2001
From: Richard Thier <magosit@outlook.hu>
Date: Mon, 13 Dec 2021 03:48:01 +0100
Subject: [PATCH] test can now be used with perf valgrind --cachegrind and such
 tools

---
 test.cpp | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/test.cpp b/test.cpp
index ca3b32b..13c7d3c 100644
--- a/test.cpp
+++ b/test.cpp
@@ -7,7 +7,7 @@
 
 // Number of input elements to generate - unused when CREEL is defined!
 //#define SORT_WIDTH 200000000
-#define SORT_WIDTH 40000
+#define SORT_WIDTH 4000000
 // Uncomment this to use nibbles as digits and not bytes - CREEL defines this anyways
 //#define MAGYAR_SORT_NIBBLE
 
@@ -16,6 +16,9 @@
 
 #define SKA_SORT
 
+// Uncomment for perf / cachegring and similar runs!
+#define MEASURE_ONLY
+
 /* Includes */
 
 #include <cstring>
@@ -87,6 +90,7 @@ int main() {
 	std::vector<uint32_t> in1 = GenerateInput();;
 	std::vector<uint32_t> in2 = in1; // copy
 
+#ifndef MEASURE_ONLY
 	auto stdBegin = std::chrono::high_resolution_clock::now();
 #ifndef SKA_SORT
 	/* std::sort */
@@ -104,6 +108,8 @@ int main() {
 	MagyarSort::debugArr(&in2[0], in2.size());
 #endif // PRINT_OUTPUT
 
+#endif // !MEASURE_ONLY
+
 	uint32_t *arr1 = &(in1[0]);
 
 #ifdef PRINT_OUTPUT
@@ -124,18 +130,24 @@ int main() {
 	/* Check against std - the real test */
 
 	bool good = true;
+#ifndef MEASURE_ONLY
 	for(size_t i = 0; good && (i < in1.size()); ++i) {
 		good &= (in1[i] == in2[i]);
 	}
+#endif // !MEASURE_ONLY
 
 	printf("Results:\n\n");
 	printf("- Sorted %zu elements", in1.size());
+#ifndef MEASURE_ONLY
 	if(good) printf("- Same result as std::sort!\n");
 	else printf("- Differs from std::sort! Error!\n");
 	printf("\n");
 	auto stdElapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(stdEnd - stdBegin);
+#endif // !MEASURE_ONLY
 	auto ourElapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(ourEnd - ourBegin);
+#ifndef MEASURE_ONLY
 	printf("Time (std sort): %.3f ms.\n", stdElapsed.count() * 1e-6);
+#endif // !MEASURE_ONLY
 	printf("Time (our sort): %.3f ms.\n", ourElapsed.count() * 1e-6);
 
 	return 0;