Build TestDriver for perf testing too

TestDriver.cpp

@@ -3,13 +3,18 @@
 #include <fstream>
 #include <sstream>
 
+#ifndef PERF_TEST
+#define PERF_TEST 0
+#endif
+
 int main(int argc, char **argv) {
   for (int i = 1; i < argc; ++i) {
     std::ifstream t(argv[i], std::ios::binary);
     std::stringstream buffer;
     buffer << t.rdbuf();
     auto str = buffer.str();
-    TestDriver<ConflictSet> driver{(const uint8_t *)str.data(), str.size()};
+    TestDriver<ConflictSet, !PERF_TEST> driver{(const uint8_t *)str.data(),
+                                               str.size()};
     while (!driver.next())
       ;
     if (!driver.ok) {