Master/add cudnn support

CMakeLists.txt

@@ -13,14 +13,12 @@ if(CCACHE_PROGRAM)
 endif()
 
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/utils")
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/dependencies")
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-# The CUDA standard is still C++14 to enable interopability with
-# slightly older and still well-supported versions of CUDA/nvcc
-# (e.g. CUDA < 11). This will be bumped to 17 once CUDA 11 is
-# required.
-set(CMAKE_CUDA_STANDARD 14)
+set(CMAKE_CUDA_STANDARD 20)
 set(CMAKE_CUDA_STANDARD_REQUIRED ON)
 
 # no modules in this library

Folder.DotSettings

@@ -0,0 +1,6 @@
+<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
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+	<s:String x:Key="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=2B232F1067F0324F8FF4B9D63ACECDB2/@EntryIndexedValue">&lt;NamingElement Priority="16" Title="Other constants"&gt;&lt;Descriptor Static="True" Constexpr="Indeterminate" Const="True" Volatile="Indeterminate" Accessibility="NOT_APPLICABLE"&gt;&lt;type Name="class field" /&gt;&lt;type Name="local variable" /&gt;&lt;type Name="struct field" /&gt;&lt;/Descriptor&gt;&lt;Policy Inspect="True" WarnAboutPrefixesAndSuffixes="False" Prefix="" Suffix="" Style="AA_BB"&gt;&lt;ExtraRule Prefix="" Suffix="" Style="aa_bb" /&gt;&lt;/Policy&gt;&lt;/NamingElement&gt;</s:String>
+	<s:String x:Key="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=4203BE6F332C5149B409B4D5F7197E54/@EntryIndexedValue">&lt;NamingElement Priority="15" Title="Enumerators"&gt;&lt;Descriptor Static="Indeterminate" Constexpr="Indeterminate" Const="Indeterminate" Volatile="Indeterminate" Accessibility="NOT_APPLICABLE"&gt;&lt;type Name="scoped enumerator" /&gt;&lt;type Name="unscoped enumerator" /&gt;&lt;/Descriptor&gt;&lt;Policy Inspect="True" WarnAboutPrefixesAndSuffixes="False" Prefix="" Suffix="" Style="AA_BB"&gt;&lt;ExtraRule Prefix="" Suffix="" Style="aa_bb" /&gt;&lt;/Policy&gt;&lt;/NamingElement&gt;</s:String>
+	<s:String x:Key="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=5A3A59A8A6E157428C465B5C06F8D8E0/@EntryIndexedValue">&lt;NamingElement Priority="3" Title="Enums"&gt;&lt;Descriptor Static="Indeterminate" Constexpr="Indeterminate" Const="Indeterminate" Volatile="Indeterminate" Accessibility="NOT_APPLICABLE"&gt;&lt;type Name="enum" /&gt;&lt;/Descriptor&gt;&lt;Policy Inspect="True" WarnAboutPrefixesAndSuffixes="False" Prefix="" Suffix="" Style="AaBb_AaBb"&gt;&lt;ExtraRule Prefix="" Suffix="" Style="aa_bb" /&gt;&lt;/Policy&gt;&lt;/NamingElement&gt;</s:String>
+	<s:Boolean x:Key="/Default/UserDictionary/Words/=Thomann/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>

cmake/dependencies/FindCUDNN.cmake

@@ -76,4 +76,8 @@ if(CUDNN_FOUND)
   endif()
 endif()
 
+if (CUDNN_FOUND AND CUDNN_VERSION VERSION_LESS "8.0")
+  message(FATAL_ERROR "Flashlight requires cuDNN >= 8.0, found ${CUDNN_VERSION}")
+endif()
+
 mark_as_advanced(CUDNN_ROOT CUDNN_INCLUDE_DIR CUDNN_LIBRARY CUDNN_VERSION)

cmake/utils/flashlightConfig.cmake.in

@@ -49,7 +49,7 @@ if (@FL_BUILD_STANDALONE@)
   endif()
   if (@FL_USE_CUDA@)
     if (@FL_USE_CUDNN@)
-      find_dependency(CUDNN 7.1)
+      find_dependency(CUDNN 8)
     endif()
     if (@FL_BUILD_DISTRIBUTED@)
       find_dependency(NCCL)

cmake/utils/fm_target_utilities.cmake

@@ -53,10 +53,17 @@ function(fm_glob OUT_VAR)
         set(GLOB_PATTERNS ${ARG_PATTERNS})
     endif()
 
-    if(GLOB_PATTERNS)
+    # Normalize paths to prevent CONFIGURE_DEPENDS cache mismatch issues on Windows
+    set(NORMALIZED_PATTERNS "")
+    foreach(PATTERN IN LISTS GLOB_PATTERNS)
+        cmake_path(ABSOLUTE_PATH PATTERN NORMALIZE OUTPUT_VARIABLE NORMALIZED)
+        list(APPEND NORMALIZED_PATTERNS "${NORMALIZED}")
+    endforeach()
+
+    if(NORMALIZED_PATTERNS)
         file(GLOB_RECURSE FOUND_FILES
             CONFIGURE_DEPENDS
-            ${GLOB_PATTERNS}
+            ${NORMALIZED_PATTERNS}
         )
         set(${OUT_VAR} ${${OUT_VAR}} ${FOUND_FILES} PARENT_SCOPE)
     endif()