[tmva] More fixes to avoid timeout in TMVA tutorials

tutorials/CMakeLists.txt

@@ -569,7 +569,7 @@ file(GLOB long_running RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} ${long_running})
 set (multithreaded
      dataframe/df10[2-7]*
      multicore/mp103*
-     tmva/TMVAMultiClass.C
+     tmva/TMVAMulticlass.C
      tmva/TMVA_CNN_Classification.C
      tmva/TMVA_Higgs_Classification.C
      tmva/TMVA_RNN_Classification.C

tutorials/tmva/TMVAMulticlass.C

@@ -137,7 +137,7 @@ void TMVAMulticlass( TString myMethodList = "" )
    if (Use["DL_CPU"]) {
       TString layoutString("Layout=TANH|100,TANH|50,TANH|10,LINEAR");
       TString trainingStrategyString("TrainingStrategy=Optimizer=ADAM,LearningRate=1e-3,"
-                                     "TestRepetitions=1,ConvergenceSteps=10,BatchSize=100");
+                                     "TestRepetitions=1,ConvergenceSteps=10,BatchSize=100,MaxEpochs=20");
       TString nnOptions("!H:V:ErrorStrategy=CROSSENTROPY:VarTransform=N:"
                         "WeightInitialization=XAVIERUNIFORM:Architecture=GPU");
       nnOptions.Append(":");
@@ -149,7 +149,7 @@ void TMVAMulticlass( TString myMethodList = "" )
    if (Use["DL_GPU"]) {
       TString layoutString("Layout=TANH|100,TANH|50,TANH|10,LINEAR");
       TString trainingStrategyString("TrainingStrategy=Optimizer=ADAM,LearningRate=1e-3,"
-                                     "TestRepetitions=1,ConvergenceSteps=10,BatchSize=100");
+                                     "TestRepetitions=1,ConvergenceSteps=10,BatchSize=100,MaxEpochs=20");
       TString nnOptions("!H:V:ErrorStrategy=CROSSENTROPY:VarTransform=N:"
                         "WeightInitialization=XAVIERUNIFORM:Architecture=GPU");
       nnOptions.Append(":");