Resolve "Fix Pi0 benchmark"

Closes #37 (closed)

benchmarks/barrel_ecal/scripts/emcal_barrel_pi0_analysis.cxx

@@ -65,7 +65,7 @@ void emcal_barrel_pi0_analysis(const char* input_fname = "sim_output/sim_emcal_b
   ROOT::RDataFrame d0("events", input_fname);
 
   // Sampling Fraction
-  double samp_frac = 0.01;//0.0136
+  double samp_frac = 0.1;//0.0136
 
   // Thrown Energy [GeV]
   auto Ethr = [](std::vector<dd4pod::Geant4ParticleData> const& input) {