Speed up test-bench when run from ctest

test/CMakeLists.txt

@@ -89,7 +89,7 @@ ROOT_LINKER_LIBRARY(Aclock Aclock.cxx G__Aclock.cxx LIBRARIES Graf Gpad)
 ROOT_GENERATE_DICTIONARY(G__TBench ${CMAKE_CURRENT_SOURCE_DIR}/TBench.h MODULE TBench LINKDEF benchLinkDef.h DEPENDENCIES MathCore Tree)
 ROOT_LINKER_LIBRARY(TBench TBench.cxx G__TBench.cxx LIBRARIES Core MathCore RIO Tree)
 ROOT_EXECUTABLE(bench bench.cxx LIBRARIES Core TBench)
-ROOT_ADD_TEST(test-bench COMMAND bench LABELS longtest)
+ROOT_ADD_TEST(test-bench COMMAND bench -s LABELS longtest)
 
 #--stress------------------------------------------------------------------------------------
   ROOT_EXECUTABLE(stress stress.cxx LIBRARIES Event Core Hist RIO Tree Gpad Postscript)

test/bench.cxx

@@ -115,6 +115,7 @@ int main(int argc, char **argv)
 {
    bool writereferences = false;
    bool memberwise = false;
+   bool shortrun = false;
 
    TVirtualStreamerInfo::SetStreamMemberWise(kFALSE);
    // by default stream objects objectwise
@@ -126,10 +127,12 @@ int main(int argc, char **argv)
          memberwise = true;
       } else if (strstr(argv[a],"-r")) {
          writereferences = true;
+      } else if (strstr(argv[a],"-s")) {
+         shortrun = true;
       }
    }
-   int nhits       = 1000;
-   int nevents     = 400;
+   int nhits       = shortrun ? 10 : 1000;
+   int nevents     = shortrun ? 40 : 400;
 
    Double_t cptot = 0;