Now generates test/client/tuner data using a fixed seed to enable reproducability of results

2 files changed, 8 insertions, 7 deletions

diff --git a/test/performance/client.cpp b/test/performance/client.cpp
index aaaab22e..cbb10d10 100644
--- a/test/performance/client.cpp
+++ b/test/performance/client.cpp
@@ -178,13 +178,13 @@ void Client<T,U>::PerformanceTest(Arguments<U> &args, const SetMetric set_sizes)
     std::vector<T> c_source(args.c_size);
     std::vector<T> ap_source(args.ap_size);
     std::vector<T> scalar_source(args.scalar_size);
-    PopulateVector(x_source);
-    PopulateVector(y_source);
-    PopulateVector(a_source);
-    PopulateVector(b_source);
-    PopulateVector(c_source);
-    PopulateVector(ap_source);
-    PopulateVector(scalar_source);
+    PopulateVector(x_source, kSeed);
+    PopulateVector(y_source, kSeed);
+    PopulateVector(a_source, kSeed);
+    PopulateVector(b_source, kSeed);
+    PopulateVector(c_source, kSeed);
+    PopulateVector(ap_source, kSeed);
+    PopulateVector(scalar_source, kSeed);
 
     // Creates the matrices on the device
     auto x_vec = Buffer<T>(context, args.x_size);
diff --git a/test/performance/client.hpp b/test/performance/client.hpp
index 6d35fced..381ba158 100644
--- a/test/performance/client.hpp
+++ b/test/performance/client.hpp
@@ -40,6 +40,7 @@ namespace clblast {
 template <typename T, typename U>
 class Client {
  public:
+  static constexpr auto kSeed = 42; // fixed seed for reproducibility
 
   // Shorthand for the routine-specific functions passed to the tester
   using Routine = std::function<StatusCode(const Arguments<U>&, Buffers<T>&, Queue&)>;