diff --git a/cmake/define.cuda_architectures.cmake b/cmake/define.cuda_architectures.cmake
index 6ce7e5d..83c4ea4 100644
--- a/cmake/define.cuda_architectures.cmake
+++ b/cmake/define.cuda_architectures.cmake
@@ -1,4 +1,4 @@
-# Copyright 2025, NVIDIA CORPORATION. All rights reserved.
+# Copyright 2025-2026, NVIDIA CORPORATION. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
@@ -27,19 +27,50 @@
 function(set_cuda_architectures_list)
     # Check if CUDA_ARCH_LIST environment variable is set
     if(DEFINED ENV{CUDA_ARCH_LIST})
-        # Parse the existing CUDA_ARCH_LIST
-        set(cuda_arch_input "$ENV{CUDA_ARCH_LIST}")
-        string(REGEX REPLACE "PTX" "" cuda_arch_input "${cuda_arch_input}")
-        string(REGEX REPLACE " " "-real;" cuda_arch_input "${cuda_arch_input}")
-        string(REGEX REPLACE "-real;\$" "" cuda_arch_input "${cuda_arch_input}")
-        string(REGEX REPLACE "\\." "" cuda_arch_input "${cuda_arch_input}")
+        # Parse CUDA_ARCH_LIST: split by spaces, skip PTX, validate each code
+        set(raw_input "$ENV{CUDA_ARCH_LIST}")
+        string(REGEX REPLACE "PTX" "" raw_input "${raw_input}")
+        string(REPLACE " " ";" arch_list "${raw_input}")
+
+        set(cuda_arch_result_list "")
+        foreach(arch IN LISTS arch_list)
+            string(STRIP "${arch}" arch)
+            if(arch STREQUAL "")
+                continue()
+            endif()
+            # Normalize: remove dots so 10.0 -> 100, 12.0 -> 120
+            string(REGEX REPLACE "\\." "" arch_num "${arch}")
+            if(NOT arch_num MATCHES "^[0-9]+$")
+                continue()
+            endif()
+            # Code >= 100 (10.x, 11.x, 12.x): use family code, no -real
+            if(arch_num GREATER_EQUAL 100)
+                math(EXPR arch_major "${arch_num} / 10")
+                set(arch_entry "${arch_major}0f")
+            else()
+                set(arch_entry "${arch_num}-real")
+            endif()
+            list(APPEND cuda_arch_result_list "${arch_entry}")
+        endforeach()
+        # If last element is below 100 (has -real), leave it without -real
+        list(LENGTH cuda_arch_result_list result_len)
+        if(result_len GREATER 0)
+            math(EXPR last_index "${result_len} - 1")
+            list(GET cuda_arch_result_list ${last_index} last_entry)
+            string(REGEX REPLACE "-real$" "" last_entry_stripped "${last_entry}")
+            if(NOT last_entry_stripped STREQUAL last_entry)
+                list(REMOVE_AT cuda_arch_result_list ${last_index})
+                list(APPEND cuda_arch_result_list "${last_entry_stripped}")
+            endif()
+        endif()
+        list(JOIN cuda_arch_result_list ";" cuda_arch_input)
 
         set(CUDA_ARCHITECTURES "${cuda_arch_input}" PARENT_SCOPE)
 
         message(STATUS "CUDA_ARCH_LIST found, defined CUDA_ARCHITECTURES: $ENV{CUDA_ARCH_LIST}")
     else()
         # Set default value if CUDA_ARCH_LIST is not present
-        set(CUDA_ARCHITECTURES "75-real;80-real;86-real;89-real;90-real;100-real;120" PARENT_SCOPE)
+        set(CUDA_ARCHITECTURES "75-real;80-real;86-real;89-real;90-real;100f;120f" PARENT_SCOPE)
         message(STATUS "CUDA_ARCH_LIST not found, using default values for CUDA_ARCHITECTURES: ${CUDA_ARCHITECTURES}")
     endif()
 endfunction()