[cmsdy] regenerate pp_dy012j.mad with the option to set CUDACPP_RUNTI…

…ME_DISABLEFPE madgraph5#942
valassi · Aug 7, 2024 · 86ff83e · 86ff83e
1 parent e59ce5f
commit 86ff83e
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diff --git a/epochX/cudacpp/pp_dy012j.mad/CODEGEN_mad_pp_dy012j_log.txt b/epochX/cudacpp/pp_dy012j.mad/CODEGEN_mad_pp_dy012j_log.txt
diff --git a/epochX/cudacpp/pp_dy012j.mad/Cards/me5_configuration.txt b/epochX/cudacpp/pp_dy012j.mad/Cards/me5_configuration.txt
@@ -234,7 +234,7 @@
 # pineappl = pineappl
 
 
-#mg5_path = /data/avalassi/GPU2023/madgraph4gpuX/MG5aMC/mg5amcnlo 
+#mg5_path = /data/avalassi/GPU2024/madgraph4gpuX/MG5aMC/mg5amcnlo 
 
 # MG5 MAIN DIRECTORY
-#mg5_path = /data/avalassi/GPU2023/madgraph4gpuX/MG5aMC/mg5amcnlo
+#mg5_path = /data/avalassi/GPU2024/madgraph4gpuX/MG5aMC/mg5amcnlo
diff --git a/epochX/cudacpp/pp_dy012j.mad/SubProcesses/P0_ddx_epem/CPPProcess.cc b/epochX/cudacpp/pp_dy012j.mad/SubProcesses/P0_ddx_epem/CPPProcess.cc
@@ -33,8 +33,9 @@
 
 #include <algorithm>
 #include <array>
-#include <cfenv>  // for feenableexcept, fegetexcept and FE_XXX
-#include <cfloat> // for FLT_MIN
+#include <cfenv>   // for feenableexcept, fegetexcept and FE_XXX
+#include <cfloat>  // for FLT_MIN
+#include <cstdlib> // for getenv
 #include <cstring>
 #include <iomanip>
 #include <iostream>
@@ -63,7 +64,8 @@ fpeEnable()
   //std::cout << "fpeEnable:     FE_INVALID is" << ( ( fpes & FE_INVALID ) ? " " : " NOT " ) << "enabled" << std::endl;
   //std::cout << "fpeEnable:     FE_OVERFLOW is" << ( ( fpes & FE_OVERFLOW ) ? " " : " NOT " ) << "enabled" << std::endl;
   //std::cout << "fpeEnable:     FE_UNDERFLOW is" << ( ( fpes & FE_UNDERFLOW ) ? " " : " NOT " ) << "enabled" << std::endl;
-  constexpr bool enableFPE = true; // this is hardcoded and no longer controlled by getenv( "CUDACPP_RUNTIME_ENABLEFPE" )
+  //constexpr bool enableFPE = true; // this is hardcoded and no longer controlled by getenv( "CUDACPP_RUNTIME_ENABLEFPE" )
+  static const bool enableFPE = !getenv( "CUDACPP_RUNTIME_DISABLEFPE" ); // TEMPORARY? allow bypassing FPEs in CMS DY #942
   if( enableFPE )
   {
     std::cout << "INFO: The following Floating Point Exceptions will cause SIGFPE program aborts: FE_DIVBYZERO, FE_INVALID, FE_OVERFLOW" << std::endl;
@@ -78,7 +80,7 @@ fpeEnable()
   }
   else
   {
-    //std::cout << "INFO: Do not enable SIGFPE traps for Floating Point Exceptions" << std::endl;
+    std::cout << "INFO: Do not enable SIGFPE traps for Floating Point Exceptions (CUDACPP_RUNTIME_DISABLEFPE is non-empty)" << std::endl;
   }
 #else
   //std::cout << "INFO: Keep default SIGFPE settings because feenableexcept is not available on MacOS" << std::endl;

diff --git a/epochX/cudacpp/pp_dy012j.mad/SubProcesses/P0_ddx_taptam/CPPProcess.cc b/epochX/cudacpp/pp_dy012j.mad/SubProcesses/P0_ddx_taptam/CPPProcess.cc
@@ -33,8 +33,9 @@
 
 #include <algorithm>
 #include <array>
-#include <cfenv>  // for feenableexcept, fegetexcept and FE_XXX
-#include <cfloat> // for FLT_MIN
+#include <cfenv>   // for feenableexcept, fegetexcept and FE_XXX
+#include <cfloat>  // for FLT_MIN
+#include <cstdlib> // for getenv
 #include <cstring>
 #include <iomanip>
 #include <iostream>
@@ -63,7 +64,8 @@ fpeEnable()
   //std::cout << "fpeEnable:     FE_INVALID is" << ( ( fpes & FE_INVALID ) ? " " : " NOT " ) << "enabled" << std::endl;
   //std::cout << "fpeEnable:     FE_OVERFLOW is" << ( ( fpes & FE_OVERFLOW ) ? " " : " NOT " ) << "enabled" << std::endl;
   //std::cout << "fpeEnable:     FE_UNDERFLOW is" << ( ( fpes & FE_UNDERFLOW ) ? " " : " NOT " ) << "enabled" << std::endl;
-  constexpr bool enableFPE = true; // this is hardcoded and no longer controlled by getenv( "CUDACPP_RUNTIME_ENABLEFPE" )
+  //constexpr bool enableFPE = true; // this is hardcoded and no longer controlled by getenv( "CUDACPP_RUNTIME_ENABLEFPE" )
+  static const bool enableFPE = !getenv( "CUDACPP_RUNTIME_DISABLEFPE" ); // TEMPORARY? allow bypassing FPEs in CMS DY #942
   if( enableFPE )
   {
     std::cout << "INFO: The following Floating Point Exceptions will cause SIGFPE program aborts: FE_DIVBYZERO, FE_INVALID, FE_OVERFLOW" << std::endl;
@@ -78,7 +80,7 @@ fpeEnable()
   }
   else
   {
-    //std::cout << "INFO: Do not enable SIGFPE traps for Floating Point Exceptions" << std::endl;
+    std::cout << "INFO: Do not enable SIGFPE traps for Floating Point Exceptions (CUDACPP_RUNTIME_DISABLEFPE is non-empty)" << std::endl;
   }
 #else
   //std::cout << "INFO: Keep default SIGFPE settings because feenableexcept is not available on MacOS" << std::endl;

diff --git a/epochX/cudacpp/pp_dy012j.mad/SubProcesses/P0_uux_epem/CPPProcess.cc b/epochX/cudacpp/pp_dy012j.mad/SubProcesses/P0_uux_epem/CPPProcess.cc
@@ -33,8 +33,9 @@
 
 #include <algorithm>
 #include <array>
-#include <cfenv>  // for feenableexcept, fegetexcept and FE_XXX
-#include <cfloat> // for FLT_MIN
+#include <cfenv>   // for feenableexcept, fegetexcept and FE_XXX
+#include <cfloat>  // for FLT_MIN
+#include <cstdlib> // for getenv
 #include <cstring>
 #include <iomanip>
 #include <iostream>
@@ -63,7 +64,8 @@ fpeEnable()
   //std::cout << "fpeEnable:     FE_INVALID is" << ( ( fpes & FE_INVALID ) ? " " : " NOT " ) << "enabled" << std::endl;
   //std::cout << "fpeEnable:     FE_OVERFLOW is" << ( ( fpes & FE_OVERFLOW ) ? " " : " NOT " ) << "enabled" << std::endl;
   //std::cout << "fpeEnable:     FE_UNDERFLOW is" << ( ( fpes & FE_UNDERFLOW ) ? " " : " NOT " ) << "enabled" << std::endl;
-  constexpr bool enableFPE = true; // this is hardcoded and no longer controlled by getenv( "CUDACPP_RUNTIME_ENABLEFPE" )
+  //constexpr bool enableFPE = true; // this is hardcoded and no longer controlled by getenv( "CUDACPP_RUNTIME_ENABLEFPE" )
+  static const bool enableFPE = !getenv( "CUDACPP_RUNTIME_DISABLEFPE" ); // TEMPORARY? allow bypassing FPEs in CMS DY #942
   if( enableFPE )
   {
     std::cout << "INFO: The following Floating Point Exceptions will cause SIGFPE program aborts: FE_DIVBYZERO, FE_INVALID, FE_OVERFLOW" << std::endl;
@@ -78,7 +80,7 @@ fpeEnable()
   }
   else
   {
-    //std::cout << "INFO: Do not enable SIGFPE traps for Floating Point Exceptions" << std::endl;
+    std::cout << "INFO: Do not enable SIGFPE traps for Floating Point Exceptions (CUDACPP_RUNTIME_DISABLEFPE is non-empty)" << std::endl;
   }
 #else
   //std::cout << "INFO: Keep default SIGFPE settings because feenableexcept is not available on MacOS" << std::endl;

diff --git a/epochX/cudacpp/pp_dy012j.mad/SubProcesses/P0_uux_taptam/CPPProcess.cc b/epochX/cudacpp/pp_dy012j.mad/SubProcesses/P0_uux_taptam/CPPProcess.cc
@@ -33,8 +33,9 @@
 
 #include <algorithm>
 #include <array>
-#include <cfenv>  // for feenableexcept, fegetexcept and FE_XXX
-#include <cfloat> // for FLT_MIN
+#include <cfenv>   // for feenableexcept, fegetexcept and FE_XXX
+#include <cfloat>  // for FLT_MIN
+#include <cstdlib> // for getenv
 #include <cstring>
 #include <iomanip>
 #include <iostream>
@@ -63,7 +64,8 @@ fpeEnable()
   //std::cout << "fpeEnable:     FE_INVALID is" << ( ( fpes & FE_INVALID ) ? " " : " NOT " ) << "enabled" << std::endl;
   //std::cout << "fpeEnable:     FE_OVERFLOW is" << ( ( fpes & FE_OVERFLOW ) ? " " : " NOT " ) << "enabled" << std::endl;
   //std::cout << "fpeEnable:     FE_UNDERFLOW is" << ( ( fpes & FE_UNDERFLOW ) ? " " : " NOT " ) << "enabled" << std::endl;
-  constexpr bool enableFPE = true; // this is hardcoded and no longer controlled by getenv( "CUDACPP_RUNTIME_ENABLEFPE" )
+  //constexpr bool enableFPE = true; // this is hardcoded and no longer controlled by getenv( "CUDACPP_RUNTIME_ENABLEFPE" )
+  static const bool enableFPE = !getenv( "CUDACPP_RUNTIME_DISABLEFPE" ); // TEMPORARY? allow bypassing FPEs in CMS DY #942
   if( enableFPE )
   {
     std::cout << "INFO: The following Floating Point Exceptions will cause SIGFPE program aborts: FE_DIVBYZERO, FE_INVALID, FE_OVERFLOW" << std::endl;
@@ -78,7 +80,7 @@ fpeEnable()
   }
   else
   {
-    //std::cout << "INFO: Do not enable SIGFPE traps for Floating Point Exceptions" << std::endl;
+    std::cout << "INFO: Do not enable SIGFPE traps for Floating Point Exceptions (CUDACPP_RUNTIME_DISABLEFPE is non-empty)" << std::endl;
   }
 #else
   //std::cout << "INFO: Keep default SIGFPE settings because feenableexcept is not available on MacOS" << std::endl;

diff --git a/epochX/cudacpp/pp_dy012j.mad/SubProcesses/P1_ddx_epemg/CPPProcess.cc b/epochX/cudacpp/pp_dy012j.mad/SubProcesses/P1_ddx_epemg/CPPProcess.cc
@@ -33,8 +33,9 @@
 
 #include <algorithm>
 #include <array>
-#include <cfenv>  // for feenableexcept, fegetexcept and FE_XXX
-#include <cfloat> // for FLT_MIN
+#include <cfenv>   // for feenableexcept, fegetexcept and FE_XXX
+#include <cfloat>  // for FLT_MIN
+#include <cstdlib> // for getenv
 #include <cstring>
 #include <iomanip>
 #include <iostream>
@@ -63,7 +64,8 @@ fpeEnable()
   //std::cout << "fpeEnable:     FE_INVALID is" << ( ( fpes & FE_INVALID ) ? " " : " NOT " ) << "enabled" << std::endl;
   //std::cout << "fpeEnable:     FE_OVERFLOW is" << ( ( fpes & FE_OVERFLOW ) ? " " : " NOT " ) << "enabled" << std::endl;
   //std::cout << "fpeEnable:     FE_UNDERFLOW is" << ( ( fpes & FE_UNDERFLOW ) ? " " : " NOT " ) << "enabled" << std::endl;
-  constexpr bool enableFPE = true; // this is hardcoded and no longer controlled by getenv( "CUDACPP_RUNTIME_ENABLEFPE" )
+  //constexpr bool enableFPE = true; // this is hardcoded and no longer controlled by getenv( "CUDACPP_RUNTIME_ENABLEFPE" )
+  static const bool enableFPE = !getenv( "CUDACPP_RUNTIME_DISABLEFPE" ); // TEMPORARY? allow bypassing FPEs in CMS DY #942
   if( enableFPE )
   {
     std::cout << "INFO: The following Floating Point Exceptions will cause SIGFPE program aborts: FE_DIVBYZERO, FE_INVALID, FE_OVERFLOW" << std::endl;
@@ -78,7 +80,7 @@ fpeEnable()
   }
   else
   {
-    //std::cout << "INFO: Do not enable SIGFPE traps for Floating Point Exceptions" << std::endl;
+    std::cout << "INFO: Do not enable SIGFPE traps for Floating Point Exceptions (CUDACPP_RUNTIME_DISABLEFPE is non-empty)" << std::endl;
   }
 #else
   //std::cout << "INFO: Keep default SIGFPE settings because feenableexcept is not available on MacOS" << std::endl;

diff --git a/epochX/cudacpp/pp_dy012j.mad/SubProcesses/P1_ddx_taptamg/CPPProcess.cc b/epochX/cudacpp/pp_dy012j.mad/SubProcesses/P1_ddx_taptamg/CPPProcess.cc
@@ -33,8 +33,9 @@
 
 #include <algorithm>
 #include <array>
-#include <cfenv>  // for feenableexcept, fegetexcept and FE_XXX
-#include <cfloat> // for FLT_MIN
+#include <cfenv>   // for feenableexcept, fegetexcept and FE_XXX
+#include <cfloat>  // for FLT_MIN
+#include <cstdlib> // for getenv
 #include <cstring>
 #include <iomanip>
 #include <iostream>
@@ -63,7 +64,8 @@ fpeEnable()
   //std::cout << "fpeEnable:     FE_INVALID is" << ( ( fpes & FE_INVALID ) ? " " : " NOT " ) << "enabled" << std::endl;
   //std::cout << "fpeEnable:     FE_OVERFLOW is" << ( ( fpes & FE_OVERFLOW ) ? " " : " NOT " ) << "enabled" << std::endl;
   //std::cout << "fpeEnable:     FE_UNDERFLOW is" << ( ( fpes & FE_UNDERFLOW ) ? " " : " NOT " ) << "enabled" << std::endl;
-  constexpr bool enableFPE = true; // this is hardcoded and no longer controlled by getenv( "CUDACPP_RUNTIME_ENABLEFPE" )
+  //constexpr bool enableFPE = true; // this is hardcoded and no longer controlled by getenv( "CUDACPP_RUNTIME_ENABLEFPE" )
+  static const bool enableFPE = !getenv( "CUDACPP_RUNTIME_DISABLEFPE" ); // TEMPORARY? allow bypassing FPEs in CMS DY #942
   if( enableFPE )
   {
     std::cout << "INFO: The following Floating Point Exceptions will cause SIGFPE program aborts: FE_DIVBYZERO, FE_INVALID, FE_OVERFLOW" << std::endl;
@@ -78,7 +80,7 @@ fpeEnable()
   }
   else
   {
-    //std::cout << "INFO: Do not enable SIGFPE traps for Floating Point Exceptions" << std::endl;
+    std::cout << "INFO: Do not enable SIGFPE traps for Floating Point Exceptions (CUDACPP_RUNTIME_DISABLEFPE is non-empty)" << std::endl;
   }
 #else
   //std::cout << "INFO: Keep default SIGFPE settings because feenableexcept is not available on MacOS" << std::endl;

diff --git a/epochX/cudacpp/pp_dy012j.mad/SubProcesses/P1_gd_epemd/CPPProcess.cc b/epochX/cudacpp/pp_dy012j.mad/SubProcesses/P1_gd_epemd/CPPProcess.cc
@@ -33,8 +33,9 @@
 
 #include <algorithm>
 #include <array>
-#include <cfenv>  // for feenableexcept, fegetexcept and FE_XXX
-#include <cfloat> // for FLT_MIN
+#include <cfenv>   // for feenableexcept, fegetexcept and FE_XXX
+#include <cfloat>  // for FLT_MIN
+#include <cstdlib> // for getenv
 #include <cstring>
 #include <iomanip>
 #include <iostream>
@@ -63,7 +64,8 @@ fpeEnable()
   //std::cout << "fpeEnable:     FE_INVALID is" << ( ( fpes & FE_INVALID ) ? " " : " NOT " ) << "enabled" << std::endl;
   //std::cout << "fpeEnable:     FE_OVERFLOW is" << ( ( fpes & FE_OVERFLOW ) ? " " : " NOT " ) << "enabled" << std::endl;
   //std::cout << "fpeEnable:     FE_UNDERFLOW is" << ( ( fpes & FE_UNDERFLOW ) ? " " : " NOT " ) << "enabled" << std::endl;
-  constexpr bool enableFPE = true; // this is hardcoded and no longer controlled by getenv( "CUDACPP_RUNTIME_ENABLEFPE" )
+  //constexpr bool enableFPE = true; // this is hardcoded and no longer controlled by getenv( "CUDACPP_RUNTIME_ENABLEFPE" )
+  static const bool enableFPE = !getenv( "CUDACPP_RUNTIME_DISABLEFPE" ); // TEMPORARY? allow bypassing FPEs in CMS DY #942
   if( enableFPE )
   {
     std::cout << "INFO: The following Floating Point Exceptions will cause SIGFPE program aborts: FE_DIVBYZERO, FE_INVALID, FE_OVERFLOW" << std::endl;
@@ -78,7 +80,7 @@ fpeEnable()
   }
   else
   {
-    //std::cout << "INFO: Do not enable SIGFPE traps for Floating Point Exceptions" << std::endl;
+    std::cout << "INFO: Do not enable SIGFPE traps for Floating Point Exceptions (CUDACPP_RUNTIME_DISABLEFPE is non-empty)" << std::endl;
   }
 #else
   //std::cout << "INFO: Keep default SIGFPE settings because feenableexcept is not available on MacOS" << std::endl;

diff --git a/epochX/cudacpp/pp_dy012j.mad/SubProcesses/P1_gd_taptamd/CPPProcess.cc b/epochX/cudacpp/pp_dy012j.mad/SubProcesses/P1_gd_taptamd/CPPProcess.cc
@@ -33,8 +33,9 @@
 
 #include <algorithm>
 #include <array>
-#include <cfenv>  // for feenableexcept, fegetexcept and FE_XXX
-#include <cfloat> // for FLT_MIN
+#include <cfenv>   // for feenableexcept, fegetexcept and FE_XXX
+#include <cfloat>  // for FLT_MIN
+#include <cstdlib> // for getenv
 #include <cstring>
 #include <iomanip>
 #include <iostream>
@@ -63,7 +64,8 @@ fpeEnable()
   //std::cout << "fpeEnable:     FE_INVALID is" << ( ( fpes & FE_INVALID ) ? " " : " NOT " ) << "enabled" << std::endl;
   //std::cout << "fpeEnable:     FE_OVERFLOW is" << ( ( fpes & FE_OVERFLOW ) ? " " : " NOT " ) << "enabled" << std::endl;
   //std::cout << "fpeEnable:     FE_UNDERFLOW is" << ( ( fpes & FE_UNDERFLOW ) ? " " : " NOT " ) << "enabled" << std::endl;
-  constexpr bool enableFPE = true; // this is hardcoded and no longer controlled by getenv( "CUDACPP_RUNTIME_ENABLEFPE" )
+  //constexpr bool enableFPE = true; // this is hardcoded and no longer controlled by getenv( "CUDACPP_RUNTIME_ENABLEFPE" )
+  static const bool enableFPE = !getenv( "CUDACPP_RUNTIME_DISABLEFPE" ); // TEMPORARY? allow bypassing FPEs in CMS DY #942
   if( enableFPE )
   {
     std::cout << "INFO: The following Floating Point Exceptions will cause SIGFPE program aborts: FE_DIVBYZERO, FE_INVALID, FE_OVERFLOW" << std::endl;
@@ -78,7 +80,7 @@ fpeEnable()
   }
   else
   {
-    //std::cout << "INFO: Do not enable SIGFPE traps for Floating Point Exceptions" << std::endl;
+    std::cout << "INFO: Do not enable SIGFPE traps for Floating Point Exceptions (CUDACPP_RUNTIME_DISABLEFPE is non-empty)" << std::endl;
   }
 #else
   //std::cout << "INFO: Keep default SIGFPE settings because feenableexcept is not available on MacOS" << std::endl;

diff --git a/epochX/cudacpp/pp_dy012j.mad/SubProcesses/P1_gdx_epemdx/CPPProcess.cc b/epochX/cudacpp/pp_dy012j.mad/SubProcesses/P1_gdx_epemdx/CPPProcess.cc
@@ -33,8 +33,9 @@
 
 #include <algorithm>
 #include <array>
-#include <cfenv>  // for feenableexcept, fegetexcept and FE_XXX
-#include <cfloat> // for FLT_MIN
+#include <cfenv>   // for feenableexcept, fegetexcept and FE_XXX
+#include <cfloat>  // for FLT_MIN
+#include <cstdlib> // for getenv
 #include <cstring>
 #include <iomanip>
 #include <iostream>
@@ -63,7 +64,8 @@ fpeEnable()
   //std::cout << "fpeEnable:     FE_INVALID is" << ( ( fpes & FE_INVALID ) ? " " : " NOT " ) << "enabled" << std::endl;
   //std::cout << "fpeEnable:     FE_OVERFLOW is" << ( ( fpes & FE_OVERFLOW ) ? " " : " NOT " ) << "enabled" << std::endl;
   //std::cout << "fpeEnable:     FE_UNDERFLOW is" << ( ( fpes & FE_UNDERFLOW ) ? " " : " NOT " ) << "enabled" << std::endl;
-  constexpr bool enableFPE = true; // this is hardcoded and no longer controlled by getenv( "CUDACPP_RUNTIME_ENABLEFPE" )
+  //constexpr bool enableFPE = true; // this is hardcoded and no longer controlled by getenv( "CUDACPP_RUNTIME_ENABLEFPE" )
+  static const bool enableFPE = !getenv( "CUDACPP_RUNTIME_DISABLEFPE" ); // TEMPORARY? allow bypassing FPEs in CMS DY #942
   if( enableFPE )
   {
     std::cout << "INFO: The following Floating Point Exceptions will cause SIGFPE program aborts: FE_DIVBYZERO, FE_INVALID, FE_OVERFLOW" << std::endl;
@@ -78,7 +80,7 @@ fpeEnable()
   }
   else
   {
-    //std::cout << "INFO: Do not enable SIGFPE traps for Floating Point Exceptions" << std::endl;
+    std::cout << "INFO: Do not enable SIGFPE traps for Floating Point Exceptions (CUDACPP_RUNTIME_DISABLEFPE is non-empty)" << std::endl;
   }
 #else
   //std::cout << "INFO: Keep default SIGFPE settings because feenableexcept is not available on MacOS" << std::endl;

diff --git a/epochX/cudacpp/pp_dy012j.mad/SubProcesses/P1_gdx_taptamdx/CPPProcess.cc b/epochX/cudacpp/pp_dy012j.mad/SubProcesses/P1_gdx_taptamdx/CPPProcess.cc
@@ -33,8 +33,9 @@
 
 #include <algorithm>
 #include <array>
-#include <cfenv>  // for feenableexcept, fegetexcept and FE_XXX
-#include <cfloat> // for FLT_MIN
+#include <cfenv>   // for feenableexcept, fegetexcept and FE_XXX
+#include <cfloat>  // for FLT_MIN
+#include <cstdlib> // for getenv
 #include <cstring>
 #include <iomanip>
 #include <iostream>
@@ -63,7 +64,8 @@ fpeEnable()
   //std::cout << "fpeEnable:     FE_INVALID is" << ( ( fpes & FE_INVALID ) ? " " : " NOT " ) << "enabled" << std::endl;
   //std::cout << "fpeEnable:     FE_OVERFLOW is" << ( ( fpes & FE_OVERFLOW ) ? " " : " NOT " ) << "enabled" << std::endl;
   //std::cout << "fpeEnable:     FE_UNDERFLOW is" << ( ( fpes & FE_UNDERFLOW ) ? " " : " NOT " ) << "enabled" << std::endl;
-  constexpr bool enableFPE = true; // this is hardcoded and no longer controlled by getenv( "CUDACPP_RUNTIME_ENABLEFPE" )
+  //constexpr bool enableFPE = true; // this is hardcoded and no longer controlled by getenv( "CUDACPP_RUNTIME_ENABLEFPE" )
+  static const bool enableFPE = !getenv( "CUDACPP_RUNTIME_DISABLEFPE" ); // TEMPORARY? allow bypassing FPEs in CMS DY #942
   if( enableFPE )
   {
     std::cout << "INFO: The following Floating Point Exceptions will cause SIGFPE program aborts: FE_DIVBYZERO, FE_INVALID, FE_OVERFLOW" << std::endl;
@@ -78,7 +80,7 @@ fpeEnable()
   }
   else
   {
-    //std::cout << "INFO: Do not enable SIGFPE traps for Floating Point Exceptions" << std::endl;
+    std::cout << "INFO: Do not enable SIGFPE traps for Floating Point Exceptions (CUDACPP_RUNTIME_DISABLEFPE is non-empty)" << std::endl;
   }
 #else
   //std::cout << "INFO: Keep default SIGFPE settings because feenableexcept is not available on MacOS" << std::endl;

diff --git a/epochX/cudacpp/pp_dy012j.mad/SubProcesses/P1_gu_epemu/CPPProcess.cc b/epochX/cudacpp/pp_dy012j.mad/SubProcesses/P1_gu_epemu/CPPProcess.cc
@@ -33,8 +33,9 @@
 
 #include <algorithm>
 #include <array>
-#include <cfenv>  // for feenableexcept, fegetexcept and FE_XXX
-#include <cfloat> // for FLT_MIN
+#include <cfenv>   // for feenableexcept, fegetexcept and FE_XXX
+#include <cfloat>  // for FLT_MIN
+#include <cstdlib> // for getenv
 #include <cstring>
 #include <iomanip>
 #include <iostream>
@@ -63,7 +64,8 @@ fpeEnable()
   //std::cout << "fpeEnable:     FE_INVALID is" << ( ( fpes & FE_INVALID ) ? " " : " NOT " ) << "enabled" << std::endl;
   //std::cout << "fpeEnable:     FE_OVERFLOW is" << ( ( fpes & FE_OVERFLOW ) ? " " : " NOT " ) << "enabled" << std::endl;
   //std::cout << "fpeEnable:     FE_UNDERFLOW is" << ( ( fpes & FE_UNDERFLOW ) ? " " : " NOT " ) << "enabled" << std::endl;
-  constexpr bool enableFPE = true; // this is hardcoded and no longer controlled by getenv( "CUDACPP_RUNTIME_ENABLEFPE" )
+  //constexpr bool enableFPE = true; // this is hardcoded and no longer controlled by getenv( "CUDACPP_RUNTIME_ENABLEFPE" )
+  static const bool enableFPE = !getenv( "CUDACPP_RUNTIME_DISABLEFPE" ); // TEMPORARY? allow bypassing FPEs in CMS DY #942
   if( enableFPE )
   {
     std::cout << "INFO: The following Floating Point Exceptions will cause SIGFPE program aborts: FE_DIVBYZERO, FE_INVALID, FE_OVERFLOW" << std::endl;
@@ -78,7 +80,7 @@ fpeEnable()
   }
   else
   {
-    //std::cout << "INFO: Do not enable SIGFPE traps for Floating Point Exceptions" << std::endl;
+    std::cout << "INFO: Do not enable SIGFPE traps for Floating Point Exceptions (CUDACPP_RUNTIME_DISABLEFPE is non-empty)" << std::endl;
   }
 #else
   //std::cout << "INFO: Keep default SIGFPE settings because feenableexcept is not available on MacOS" << std::endl;