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ocl: update compiled programs

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- minimize library initialization time (lazy calculations of program hash)
- LRU cache of in-memory compiled programs
This commit is contained in:
Alexander Alekhin
2016-12-19 00:38:33 +03:00
parent 05d187ec90
commit 7a95e654eb
4 changed files with 141 additions and 61 deletions
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cmake/cl2cpp.cmake
+9 -17
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@@ -12,14 +12,8 @@ endif()
string(REPLACE ".cpp" ".hpp" OUTPUT_HPP "${OUTPUT}")
get_filename_component(OUTPUT_HPP_NAME "${OUTPUT_HPP}" NAME)
if("${MODULE_NAME}" STREQUAL "ocl")
set(nested_namespace_start "")
set(nested_namespace_end "")
else()
set(new_mode ON)
set(nested_namespace_start "namespace ${MODULE_NAME}\n{")
set(nested_namespace_end "}")
endif()
set(nested_namespace_start "namespace ${MODULE_NAME}\n{")
set(nested_namespace_end "}")
set(STR_CPP "// This file is auto-generated. Do not edit!
@@ -35,6 +29,8 @@ namespace ocl
{
${nested_namespace_start}
static const char* const moduleName = \"${MODULE_NAME}\";
")
set(STR_HPP "// This file is auto-generated. Do not edit!
@@ -76,19 +72,15 @@ foreach(cl ${cl_list})
string(MD5 hash "${lines}")
set(STR_CPP_DECL "const struct ProgramEntry ${cl_filename}={\"${cl_filename}\",\n\"${lines}, \"${hash}\"};\n")
set(STR_HPP_DECL "extern const struct ProgramEntry ${cl_filename};\n")
if(new_mode)
set(STR_CPP_DECL "${STR_CPP_DECL}ProgramSource ${cl_filename}_oclsrc(${cl_filename}.programStr);\n")
set(STR_HPP_DECL "${STR_HPP_DECL}extern ProgramSource ${cl_filename}_oclsrc;\n")
endif()
set(STR_CPP_DECL "struct cv::ocl::internal::ProgramEntry ${cl_filename}_oclsrc={moduleName, \"${cl_filename}\",\n\"${lines}, \"${hash}\", NULL};\n")
set(STR_HPP_DECL "extern struct cv::ocl::internal::ProgramEntry ${cl_filename}_oclsrc;\n")
set(STR_CPP "${STR_CPP}${STR_CPP_DECL}")
set(STR_HPP "${STR_HPP}${STR_HPP_DECL}")
endforeach()
set(STR_CPP "${STR_CPP}}\n${nested_namespace_end}}\n#endif\n")
set(STR_HPP "${STR_HPP}}\n${nested_namespace_end}}\n#endif\n")
set(STR_CPP "${STR_CPP}\n${nested_namespace_end}}}\n#endif\n")
set(STR_HPP "${STR_HPP}\n${nested_namespace_end}}}\n#endif\n")
file(WRITE "${OUTPUT}" "${STR_CPP}")
@@ -96,7 +88,7 @@ if(EXISTS "${OUTPUT_HPP}")
file(READ "${OUTPUT_HPP}" hpp_lines)
endif()
if("${hpp_lines}" STREQUAL "${STR_HPP}")
message(STATUS "${OUTPUT_HPP} contains same content")
message(STATUS "${OUTPUT_HPP} contains the same content")
else()
file(WRITE "${OUTPUT_HPP}" "${STR_HPP}")
endif()