added VC based detection of hardware

.gitignore

 *~
-build
+build/*
+debug/*
+*sln
+*.vcxproj*
+x64
+x32
+cmake
\ No newline at end of file

cmake/FindCPU_FEATURES.cmake

@@ -226,6 +226,9 @@ ELSEIF(CMAKE_SYSTEM_NAME MATCHES "Darwin")
 
 ELSEIF(CMAKE_SYSTEM_NAME MATCHES "Windows")
 
+  #as an alternative to wmic, use 
+  #get_filename_component(_vendor_id "[HKEY_LOCAL_MACHINE\\Hardware\\Description\\System\\CentralProcessor\\0;VendorIdentifier]" NAME CACHE)
+  #get_filename_component(_cpu_id "[HKEY_LOCAL_MACHINE\\Hardware\\Description\\System\\CentralProcessor\\0;Identifier]" NAME CACHE)
   
   wmic_get("Name" MODEL_NAME)
   string(STRIP ${MODEL_NAME} MODEL_NAME)
@@ -235,9 +238,57 @@ ELSEIF(CMAKE_SYSTEM_NAME MATCHES "Windows")
   set(CPU_VENDOR "${MODEL_VENDOR}" CACHE STRING "cpu model vendor")
 
   wmic_get("L2CacheSize" L2_CACHE_SIZE)
+  wmic_get("NumberOfCores" CPU_NPHYS_CORES)
+
+  #dirty hack that I need to validate with other machines in Win7
+  if(${CPU_NPHYS_CORES} GREATER 1)
+  math(EXPR L2_CACHE_SIZE "${L2_CACHE_SIZE}/${CPU_NPHYS_CORES}")
+  endif()
+  
   set(CPU_L2_SIZE_KB "${L2_CACHE_SIZE}" CACHE STRING "cpu L2 cache size in kB")
 
-  set(SSE_FOUND    false  CACHE BOOL "SSE available on host")
+  #thanks to the wonderful VC project (https://github.com/VcDevel/Vc)
+  include (OptimizeForArchitecture)
+  
+  OFA_AutodetectHostArchitecture()
+  OFA_HandleX86Options()
+  message("++ _available_vector_units_list = ${_available_vector_units_list}")
+    
+  list(FIND _available_vector_units_list "sse" SSE_INDEX)
+  list(FIND _available_vector_units_list "sse2" SSE2_INDEX)
+  list(FIND _available_vector_units_list "sse3" SSE3_INDEX)
+  list(FIND _available_vector_units_list "ssse3" SSSE3_INDEX)
+  list(FIND _available_vector_units_list "sse4.1" SSE4_1_INDEX)
+  list(FIND _available_vector_units_list "sse4.2" SSE4_2_INDEX)
+  list(FIND _available_vector_units_list "avx" AVX_INDEX)
+  list(FIND _available_vector_units_list "avx2" AVX2_INDEX)
+
+  if(${SSE_INDEX} GREATER -1)
+    set(SSE_FOUND    true  CACHE BOOL "SSE available on host")
+  endif()
+  if(${SSE2_INDEX} GREATER -1)
+    set(SSE2_FOUND    true  CACHE BOOL "SSE2 available on host")
+  endif()
+  if(${SSE3_INDEX} GREATER -1)
+    set(SSE3_FOUND    true  CACHE BOOL "SSE3 available on host")
+  endif()
+  if(${SSSE3_INDEX} GREATER -1)
+    set(SSSE3_FOUND    true  CACHE BOOL "SSSE3 available on host")
+  endif()
+  if(${SSE4_1_INDEX} GREATER -1)
+    set(SSE4_1_FOUND    true  CACHE BOOL "SSE4.1 available on host")
+  endif()
+  if(${SSE4_2_INDEX} GREATER -1)
+    set(SSE4_2_FOUND    true  CACHE BOOL "SSE4.2 available on host")
+  endif()
+  if(${AVX_INDEX} GREATER -1)
+  set(AVX_FOUND    true  CACHE BOOL "AVX available on host")
+  endif()
+  if(${AVX2_INDEX} GREATER -1)
+    set(AVX2_FOUND    true  CACHE BOOL "AVX2 available on host")
+  endif()
+
+  set(SSE_FOUND    true  CACHE BOOL "SSE available on host")
   set(SSE2_FOUND   false  CACHE BOOL "SSE2 available on host")
   set(SSE3_FOUND   false CACHE BOOL "SSE3 available on host")
   set(SSSE3_FOUND  false CACHE BOOL "SSSE3 available on host")
@@ -245,11 +296,7 @@ ELSEIF(CMAKE_SYSTEM_NAME MATCHES "Windows")
   set(SSE4_2_FOUND false CACHE BOOL "SSE4.2 available on host")
   set(AVX_FOUND false CACHE BOOL "AVX available on host")
   set(AVX2_FOUND false CACHE BOOL "AVX2 available on host")
-#ELSE(CMAKE_SYSTEM_NAME MATCHES "Linux")
-#  set(SSE2_FOUND   true  CACHE BOOL "SSE2 available on host")
-#  set(SSE3_FOUND   false CACHE BOOL "SSE3 available on host")
-#  set(SSSE3_FOUND  false CACHE BOOL "SSSE3 available on host")
-#  set(SSE4_1_FOUND false CACHE BOOL "SSE4.1 available on host")
+  
 ENDIF(CMAKE_SYSTEM_NAME MATCHES "Linux")
 
 message(STATUS "found hardware: ${CPU_VENDOR} ${CPU_MODEL_NAME}")

cmake/FindSSE.cmake

-# Check if SSE instructions are available on the machine where 
-# the project is compiled.
-
-IF(CMAKE_SYSTEM_NAME MATCHES "Linux")
-   EXEC_PROGRAM(cat ARGS "/proc/cpuinfo" OUTPUT_VARIABLE CPUINFO)
-
-   STRING(REGEX REPLACE "^.*(sse2).*$" "\\1" SSE_THERE ${CPUINFO})
-   STRING(COMPARE EQUAL "sse2" "${SSE_THERE}" SSE2_TRUE)
-   IF (SSE2_TRUE)
-      set(SSE2_FOUND true CACHE BOOL "SSE2 available on host")
-   ELSE (SSE2_TRUE)
-      set(SSE2_FOUND false CACHE BOOL "SSE2 available on host")
-   ENDIF (SSE2_TRUE)
-
-   # /proc/cpuinfo apparently omits sse3 :(
-   STRING(REGEX REPLACE "^.*[^s](sse3).*$" "\\1" SSE_THERE ${CPUINFO})
-   STRING(COMPARE EQUAL "sse3" "${SSE_THERE}" SSE3_TRUE)
-   IF (NOT SSE3_TRUE)
-      STRING(REGEX REPLACE "^.*(T2300).*$" "\\1" SSE_THERE ${CPUINFO})
-      STRING(COMPARE EQUAL "T2300" "${SSE_THERE}" SSE3_TRUE)
-   ENDIF (NOT SSE3_TRUE)
-
-   STRING(REGEX REPLACE "^.*(ssse3).*$" "\\1" SSE_THERE ${CPUINFO})
-   STRING(COMPARE EQUAL "ssse3" "${SSE_THERE}" SSSE3_TRUE)
-   IF (SSE3_TRUE OR SSSE3_TRUE)
-      set(SSE3_FOUND true CACHE BOOL "SSE3 available on host")
-   ELSE (SSE3_TRUE OR SSSE3_TRUE)
-      set(SSE3_FOUND false CACHE BOOL "SSE3 available on host")
-   ENDIF (SSE3_TRUE OR SSSE3_TRUE)
-   IF (SSSE3_TRUE)
-      set(SSSE3_FOUND true CACHE BOOL "SSSE3 available on host")
-   ELSE (SSSE3_TRUE)
-      set(SSSE3_FOUND false CACHE BOOL "SSSE3 available on host")
-   ENDIF (SSSE3_TRUE)
-
-   STRING(REGEX REPLACE "^.*(sse4_1).*$" "\\1" SSE_THERE ${CPUINFO})
-   STRING(COMPARE EQUAL "sse4_1" "${SSE_THERE}" SSE41_TRUE)
-   IF (SSE41_TRUE)
-      set(SSE4_1_FOUND true CACHE BOOL "SSE4.1 available on host")
-   ELSE (SSE41_TRUE)
-      set(SSE4_1_FOUND false CACHE BOOL "SSE4.1 available on host")
-   ENDIF (SSE41_TRUE)
-ELSEIF(CMAKE_SYSTEM_NAME MATCHES "Darwin")
-   EXEC_PROGRAM("/usr/sbin/sysctl -n machdep.cpu.features" OUTPUT_VARIABLE
-      CPUINFO)
-
-   STRING(REGEX REPLACE "^.*[^S](SSE2).*$" "\\1" SSE_THERE ${CPUINFO})
-   STRING(COMPARE EQUAL "SSE2" "${SSE_THERE}" SSE2_TRUE)
-   IF (SSE2_TRUE)
-      set(SSE2_FOUND true CACHE BOOL "SSE2 available on host")
-   ELSE (SSE2_TRUE)
-      set(SSE2_FOUND false CACHE BOOL "SSE2 available on host")
-   ENDIF (SSE2_TRUE)
-
-   STRING(REGEX REPLACE "^.*[^S](SSE3).*$" "\\1" SSE_THERE ${CPUINFO})
-   STRING(COMPARE EQUAL "SSE3" "${SSE_THERE}" SSE3_TRUE)
-   IF (SSE3_TRUE)
-      set(SSE3_FOUND true CACHE BOOL "SSE3 available on host")
-   ELSE (SSE3_TRUE)
-      set(SSE3_FOUND false CACHE BOOL "SSE3 available on host")
-   ENDIF (SSE3_TRUE)
-
-   STRING(REGEX REPLACE "^.*(SSSE3).*$" "\\1" SSE_THERE ${CPUINFO})
-   STRING(COMPARE EQUAL "SSSE3" "${SSE_THERE}" SSSE3_TRUE)
-   IF (SSSE3_TRUE)
-      set(SSSE3_FOUND true CACHE BOOL "SSSE3 available on host")
-   ELSE (SSSE3_TRUE)
-      set(SSSE3_FOUND false CACHE BOOL "SSSE3 available on host")
-   ENDIF (SSSE3_TRUE)
-
-   STRING(REGEX REPLACE "^.*(SSE4.1).*$" "\\1" SSE_THERE ${CPUINFO})
-   STRING(COMPARE EQUAL "SSE4.1" "${SSE_THERE}" SSE41_TRUE)
-   IF (SSE41_TRUE)
-      set(SSE4_1_FOUND true CACHE BOOL "SSE4.1 available on host")
-   ELSE (SSE41_TRUE)
-      set(SSE4_1_FOUND false CACHE BOOL "SSE4.1 available on host")
-   ENDIF (SSE41_TRUE)
-ELSEIF(CMAKE_SYSTEM_NAME MATCHES "Windows")
-   # TODO
-   set(SSE2_FOUND   true  CACHE BOOL "SSE2 available on host")
-   set(SSE3_FOUND   false CACHE BOOL "SSE3 available on host")
-   set(SSSE3_FOUND  false CACHE BOOL "SSSE3 available on host")
-   set(SSE4_1_FOUND false CACHE BOOL "SSE4.1 available on host")
-ELSE(CMAKE_SYSTEM_NAME MATCHES "Linux")
-   set(SSE2_FOUND   true  CACHE BOOL "SSE2 available on host")
-   set(SSE3_FOUND   false CACHE BOOL "SSE3 available on host")
-   set(SSSE3_FOUND  false CACHE BOOL "SSSE3 available on host")
-   set(SSE4_1_FOUND false CACHE BOOL "SSE4.1 available on host")
-ENDIF(CMAKE_SYSTEM_NAME MATCHES "Linux")
-
-if(NOT SSE2_FOUND)
-      MESSAGE(STATUS "Could not find hardware support for SSE2 on this machine.")
-endif(NOT SSE2_FOUND)
-if(NOT SSE3_FOUND)
-      MESSAGE(STATUS "Could not find hardware support for SSE3 on this machine.")
-endif(NOT SSE3_FOUND)
-if(NOT SSSE3_FOUND)
-      MESSAGE(STATUS "Could not find hardware support for SSSE3 on this machine.")
-endif(NOT SSSE3_FOUND)
-if(NOT SSE4_1_FOUND)
-      MESSAGE(STATUS "Could not find hardware support for SSE4.1 on this machine.")
-endif(NOT SSE4_1_FOUND)
-
-mark_as_advanced(SSE2_FOUND SSE3_FOUND SSSE3_FOUND SSE4_1_FOUND)