set the correct flop count for xgemm

1 files changed, 7 insertions, 1 deletions

diff --git a/src/tuning/kernels/xgemm.hpp b/src/tuning/kernels/xgemm.hpp
index fa1bb6ec..a2ef50c3 100644
--- a/src/tuning/kernels/xgemm.hpp
+++ b/src/tuning/kernels/xgemm.hpp
@@ -159,7 +159,13 @@ TunerSettings XgemmGetTunerSettings(const int V, const Arguments<T> &args) {
   }
 
   // Describes how to compute the performance metrics
-  settings.metric_amount = 2 * args.m * args.n * args.k;
+  if((args.precision == Precision::kComplexSingle) || (args.precision == Precision::kComplexDouble)) {
+    // complex flops
+    settings.metric_amount = args.m * args.n * (8 * args.k - 2);
+  } else {
+    // scalar flops
+    settings.metric_amount = args.m * args.n * (2 * args.k - 1);
+  }
   settings.performance_unit = "GFLOPS";
 
   return settings;