AliceO2Group · cima22 · Dec 19, 2025
@@ -35,5 +35,5 @@ if(CUDA_ENABLED)
 
     set_property(TARGET ${targetName} PROPERTY CUDA_SEPARABLE_COMPILATION ON)
     target_compile_definitions(${targetName} PRIVATE $<TARGET_PROPERTY:O2::ITStracking,COMPILE_DEFINITIONS>)
-    set_target_cuda_arch(${targetName})
+    set_target_gpu_arch("CUDA" ${targetName})
 endif()
@@ -74,7 +74,7 @@ add_custom_command(
     COMMAND cat ${GPUDIR}/Base/GPUStdSystemHeaders.h >> ${GPU_RTC_BIN}.src
     COMMAND ${CMAKE_CUDA_COMPILER} ${GPU_RTC_DEFINES} ${GPU_RTC_INCLUDES} -std=c++${CMAKE_CUDA_STANDARD} -D__CUDA_ARCH__=${RTC_CUDA_ARCH} -Wno-deprecated-gpu-targets -D__CUDACC__ -x c++ -M -MD -MT ${GPU_RTC_BIN}.src -MF ${GPU_RTC_BIN}.src.d ${GPU_RTC_SRC}
     COMMAND ${CMAKE_CUDA_COMPILER} ${GPU_RTC_DEFINES} ${GPU_RTC_INCLUDES} -std=c++${CMAKE_CUDA_STANDARD} -D__CUDA_ARCH__=${RTC_CUDA_ARCH} -Wno-deprecated-gpu-targets -D__CUDACC__ -x c++ -E -Xcompiler "-nostdinc -P" ${GPU_RTC_SRC} >> ${GPU_RTC_BIN}.src
-    DEPENDS ${GPU_RTC_SRC} ${GPUDIR}/Base/GPUStdSystemHeaders.h ${GPUDIR}/Base/cuda/GPUReconstructionCUDAIncludesSystem.h ${GPUDIR}/Base/GPUStdSystemHeaders.h
+    DEPENDS ${GPU_RTC_SRC} ${GPUDIR}/Base/GPUStdSystemHeaders.h ${GPUDIR}/Base/cuda/GPUReconstructionCUDAIncludesSystem.h ${GPUDIR}/Base/GPUStdSystemHeaders.h GPU_PARAM_HEADER_AUTO_ALL
     DEPFILE ${GPU_RTC_BIN}.src.d
     COMMAND_EXPAND_LISTS
     COMMENT "Preparing CUDA RTC source file ${GPU_RTC_BIN}.src"
@@ -149,7 +149,7 @@ endif()
 
 # Setting target architecture and adding GPU libraries
 target_link_libraries(${targetName} PRIVATE cuda cudart)
-set_target_cuda_arch(${targetName})
+set_target_gpu_arch("CUDA" ${targetName})
 #target_link_options(${targetName} PRIVATE "LINKER:--version-script=${CMAKE_CURRENT_SOURCE_DIR}/version_script.ld")
 #set_target_properties(${targetName} PROPERTIES LINK_DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/version_script.ld)
 

@@ -125,7 +125,7 @@ add_custom_command(
     COMMAND cat ${GPUDIR}/Base/hip/GPUReconstructionHIPIncludesSystem.h | grep -v GPUStdSystemHeaders.h >> ${GPU_RTC_BIN}.src
     COMMAND cat ${GPUDIR}/Base/GPUStdSystemHeaders.h >> ${GPU_RTC_BIN}.src
     COMMAND ${CMAKE_HIP_COMPILER} ${GPU_RTC_DEFINES} ${GPU_RTC_INCLUDES} -std=c++${CMAKE_HIP_STANDARD} -D__HIPCC__ -D__HIP_DEVICE_COMPILE__ -x c++ -nostdinc -E -P ${GPU_RTC_SRC} -MD -MT ${GPU_RTC_BIN}.src -MF ${GPU_RTC_BIN}.src.d >> ${GPU_RTC_BIN}.src
-    DEPENDS ${GPU_RTC_SRC} ${GPUDIR}/Base/GPUStdSystemHeaders.h ${GPUDIR}/Base/hip/GPUReconstructionHIPIncludesSystem.h ${GPUDIR}/Base/GPUStdSystemHeaders.h ${MODULE}_HIPIFIED
+    DEPENDS ${GPU_RTC_SRC} ${GPUDIR}/Base/GPUStdSystemHeaders.h ${GPUDIR}/Base/hip/GPUReconstructionHIPIncludesSystem.h ${GPUDIR}/Base/GPUStdSystemHeaders.h ${MODULE}_HIPIFIED GPU_PARAM_HEADER_AUTO_ALL
     DEPFILE ${GPU_RTC_BIN}.src.d
     COMMAND_EXPAND_LISTS
     COMMENT "Preparing HIP RTC source file ${GPU_RTC_BIN}.src"
@@ -219,7 +219,7 @@ endif()
 
 # Setting target architecture and adding GPU libraries
 target_link_libraries(${targetName} PRIVATE hip::host hip::device hip::hipcub roc::rocthrust)
-set_target_hip_arch(${targetName})
+set_target_gpu_arch("HIP" ${targetName})
 
 target_link_libraries(${MODULE}_CXX PRIVATE TBB::tbb)
 

@@ -106,6 +106,12 @@ set(SRCS_NO_H SectorTracker/GPUTPCTrackerDump.cxx
               Global/GPUChainTrackingDebugAndProfiling.cxx
               Global/GPUChainTrackingIO.cxx)
 
+set(ON_THE_FLY_DIR ${CMAKE_CURRENT_BINARY_DIR}/include_gpu_onthefly)
+file(MAKE_DIRECTORY ${ON_THE_FLY_DIR})
+include(cmake/generateGPUParamHeader.cmake)
+set(GPU_DEFAULT_PARAMS_HEADER ${ON_THE_FLY_DIR}/GPUDefParametersDefaults.h)
+generate_gpu_param_header("AUTO" ${GPU_DEFAULT_PARAMS_HEADER}) # generate header with default GPU parameters, arch selected by CMake variables
+
 set(HDRS_INSTALL
     ${HDRS_CINT_O2}
     ${HDRS_CINT_DATATYPES}
@@ -134,9 +140,9 @@ set(HDRS_INSTALL
     DataTypes/GPUO2ExternalUser.h
     Debug/GPUROOTDump.h
     Definitions/GPUDefConstantsAndSettings.h
+    ${GPU_DEFAULT_PARAMS_HEADER}
     Definitions/GPUDefParametersWrapper.h
     Definitions/GPUDefParametersConstants.h
-    Definitions/GPUDefParametersDefaults.h
     Definitions/GPUDef.h
     Definitions/GPUDefMacros.h
     Definitions/GPULogging.h
@@ -238,8 +244,6 @@ set(TEMPLATE_HEADER_LIST Base/GPUReconstructionKernelList.template.h
                          Definitions/GPUDefParametersLoad.template.inc)
 set(GENERATED_HEADERS_LIST "")
 
-set(ON_THE_FLY_DIR ${CMAKE_CURRENT_BINARY_DIR}/include_gpu_onthefly)
-file(MAKE_DIRECTORY ${ON_THE_FLY_DIR})
 foreach(TEMPLATE_FILE ${TEMPLATE_HEADER_LIST})
   get_filename_component(OUTPUT_FILE_NAME ${TEMPLATE_FILE} NAME)
   string(REPLACE ".template" "" OUTPUT_FILE_NAME ${OUTPUT_FILE_NAME})
@@ -285,6 +289,7 @@ set(HDRS_CINT_DATATYPES ${HDRS_CINT_DATATYPES} ${HDRS_TMP})
 unset(HDRS_TMP)
 
 set(INCDIRS
+    ${ON_THE_FLY_DIR}
     ${CMAKE_CURRENT_SOURCE_DIR}
     ${CMAKE_CURRENT_SOURCE_DIR}/Definitions
     ${CMAKE_CURRENT_SOURCE_DIR}/DataTypes
@@ -301,14 +306,14 @@ set(INCDIRS
     ${CMAKE_CURRENT_SOURCE_DIR}/Refit
     ${CMAKE_CURRENT_SOURCE_DIR}/Debug
     ${CMAKE_CURRENT_SOURCE_DIR}/DataCompression
-    ${CMAKE_CURRENT_SOURCE_DIR}/TPCClusterFinder
-    ${ON_THE_FLY_DIR})
+    ${CMAKE_CURRENT_SOURCE_DIR}/TPCClusterFinder)
 
 # Main CMake part for O2
 if(ALIGPU_BUILD_TYPE STREQUAL "O2")
   o2_add_library(GPUDataTypes
                  TARGETVARNAME targetName
                  PUBLIC_INCLUDE_DIRECTORIES .
+                                            ${ON_THE_FLY_DIR}
                                             Definitions
                                             DataTypes
                  PUBLIC_LINK_LIBRARIES O2::GPUUtils
@@ -408,15 +413,17 @@ set(GPU_CONST_PARAM_ARCHITECTUES AMPERE TURING VEGA MI100)
 set(GPU_CONST_PARAM_FILES "")
 foreach(GPU_ARCH ${GPU_CONST_PARAM_ARCHITECTUES})
   set(PARAMFILE ${CMAKE_CURRENT_BINARY_DIR}/genGPUArch/gpu_const_param_${GPU_ARCH}.par)
+  set(GPU_ARCH_PARAMS_HEADER ${CMAKE_CURRENT_BINARY_DIR}/genGPUArch/GPUDefParametersDefaults_${GPU_ARCH}.h)
+  generate_gpu_param_header(${GPU_ARCH} ${GPU_ARCH_PARAMS_HEADER})
   add_custom_command(
     OUTPUT ${PARAMFILE}
     COMMAND bash -c
-            "echo -e '#define GPUCA_GPUTYPE_${GPU_ARCH}\\n#define PARAMETER_FILE \"GPUDefParametersDefaults.h\"\\ngInterpreter->AddIncludePath(\"${CMAKE_CURRENT_SOURCE_DIR}/Definitions\");\\ngInterpreter->AddIncludePath(\"${ON_THE_FLY_DIR}\");\\n.x ${CMAKE_CURRENT_SOURCE_DIR}/Standalone/tools/dumpGPUDefParam.C(\"${PARAMFILE}\")\\n.q\\n'"
+            "echo -e '#define GPUCA_GPUTYPE_${GPU_ARCH}\\n#define PARAMETER_FILE \"${GPU_ARCH_PARAMS_HEADER}\"\\ngInterpreter->AddIncludePath(\"${CMAKE_CURRENT_SOURCE_DIR}/Definitions\");\\ngInterpreter->AddIncludePath(\"${ON_THE_FLY_DIR}\");\\n.x ${CMAKE_CURRENT_SOURCE_DIR}/Standalone/tools/dumpGPUDefParam.C(\"${PARAMFILE}\")\\n.q\\n'"
             | root -l -b > /dev/null
     VERBATIM
     WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/genGPUArch
     MAIN_DEPENDENCY Standalone/tools/dumpGPUDefParam.C
-    DEPENDS Definitions/GPUDefParametersDefaults.h
+    DEPENDS ${GPU_ARCH_PARAMS_HEADER}
             ${ON_THE_FLY_DIR}/GPUDefParametersLoadPrepare.h
             ${ON_THE_FLY_DIR}/GPUDefParametersLoad.inc
     COMMENT "Generating GPU parameter set for architecture ${GPU_ARCH}")

@@ -0,0 +1 @@
+GPUParameters.json