From b23305dbe236555dd7937057cd8ffccf2e51643c Mon Sep 17 00:00:00 2001
From: gfilaci <gianluca.filaci@gmail.com>
Date: Thu, 2 May 2019 11:08:21 +0100
Subject: [PATCH] fix M5D flop count

---
 Grid/qcd/action/fermion/CayleyFermion5Dcache.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Grid/qcd/action/fermion/CayleyFermion5Dcache.cc b/Grid/qcd/action/fermion/CayleyFermion5Dcache.cc
index 8964582c..c84b7f8d 100644
--- a/Grid/qcd/action/fermion/CayleyFermion5Dcache.cc
+++ b/Grid/qcd/action/fermion/CayleyFermion5Dcache.cc
@@ -52,7 +52,8 @@ void CayleyFermion5D<Impl>::M5D(const FermionField &psi_i,
   auto chi = chi_i.View();
   int Ls =this->Ls;
   assert(phi.Checkerboard() == psi.Checkerboard());
-  // Flops = 6.0*(Nc*Ns) *Ls*vol
+  // 10 = 3 complex mult + 2 complex add
+  // Flops = 10.0*(Nc*Ns) *Ls*vol (/2 for red black counting)
   M5Dcalls++;
   M5Dtime-=usecond();