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This patch adds more options for unrolling DFT kernels #659

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merged 1 commit into from
Mar 15, 2025
+5,074 −70
Merged

This patch adds more options for unrolling DFT kernels #659

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82 changes: 71 additions & 11 deletions src/dft/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -11,12 +11,29 @@ if (SLEEFDFT_MAXBUTWIDTH GREATER 7)
message(FATAL_ERROR "SLEEFDFT_MAXBUTWIDTH has to be smaller than 8." )
endif()

set(SLEEFDFT_MAXSHIFT 2 CACHE STRING "Max hardcoded shift")
set(SLEEFDFT_MINSHIFT 1 CACHE STRING "Min hardcoded shift")
set(SLEEFDFT_MAXSHIFT 1 CACHE STRING "Max hardcoded shift")

if ((${SLEEFDFT_MINSHIFT} GREATER ${SLEEFDFT_MAXSHIFT}) OR (${SLEEFDFT_MINSHIFT} LESS 1))
message(FATAL_ERROR "SLEEFDFT_MINSHIFT, SLEEFDFT_MAXSHIFT range error")
endif()

math(EXPR SLEEFDFT_MAXSHIFT_MINUS_1 "${SLEEFDFT_MAXSHIFT} - 1")
foreach(J RANGE 0 ${SLEEFDFT_MAXSHIFT_MINUS_1})
list(APPEND LISTSHIFTSTR ${J})
endforeach()
if (${SLEEFDFT_MINSHIFT} LESS ${SLEEFDFT_MAXSHIFT})
foreach(J RANGE ${SLEEFDFT_MINSHIFT} ${SLEEFDFT_MAXSHIFT_MINUS_1})
list(APPEND LISTSHIFTSTR ${J})
endforeach()
else()
set(LISTSHIFTSTR)
endif()

if (1 LESS ${SLEEFDFT_MAXSHIFT})
foreach(J RANGE 1 ${SLEEFDFT_MAXSHIFT_MINUS_1})
list(APPEND LISTSHIFTSTR2 ${J})
endforeach()
else()
set(LISTSHIFTSTR2)
endif()

# Settings

Expand All @@ -30,6 +47,10 @@ set(MACRODEF_purecdp BASETYPEID=1 ENABLE_PUREC CONFIG=1)
set(CFLAGS_purecdp ${FLAGS_ENABLE_PUREC})
set(MACRODEF_purecsp BASETYPEID=2 ENABLE_PUREC CONFIG=1)
set(CFLAGS_purecsp ${FLAGS_ENABLE_PUREC})
if(CMAKE_C_COMPILER_ID MATCHES "Clang")
set(CFLAGS_purecdp ${FLAGS_ENABLE_PUREC} -O0)
set(CFLAGS_purecsp ${FLAGS_ENABLE_PUREC} -O0)
endif()
set(MACRODEF_purecld BASETYPEID=3 ENABLE_PUREC CONFIG=1)
set(CFLAGS_purecld ${FLAGS_ENABLE_PUREC})
set(MACRODEF_purecqp BASETYPEID=4 ENABLE_PUREC CONFIG=1)
Expand Down Expand Up @@ -215,7 +236,8 @@ endif()

set(COMMON_TARGET_DEFINITIONS ${COMMON_TARGET_DEFINITIONS}
MAXBUTWIDTHDP=${SLEEFDFT_MAXBUTWIDTH} MAXBUTWIDTHSP=${SLEEFDFT_MAXBUTWIDTH}
MAXSHIFTDP=${SLEEFDFT_MAXSHIFT} MAXSHIFTSP=${SLEEFDFT_MAXSHIFT}
MINSHIFTDP=${SLEEFDFT_MINSHIFT} MAXSHIFTDP=${SLEEFDFT_MAXSHIFT}
MINSHIFTSP=${SLEEFDFT_MINSHIFT} MAXSHIFTSP=${SLEEFDFT_MAXSHIFT}
)

if (SLEEFDFT_ENABLE_STREAM)
Expand Down Expand Up @@ -253,7 +275,7 @@ endif()

add_custom_command(OUTPUT dispatchparam.h
COMMENT "Generating dispatchparam.h"
COMMAND $<TARGET_FILE:${TARGET_MKDISPATCH}> paramonly ALL ${SLEEFDFT_MAXBUTWIDTH} ${SLEEFDFT_MAXSHIFT} ${ISALIST_SP} > ${CMAKE_CURRENT_BINARY_DIR}/dispatchparam.h
COMMAND $<TARGET_FILE:${TARGET_MKDISPATCH}> paramonly ALL ${SLEEFDFT_MAXBUTWIDTH} ${SLEEFDFT_MINSHIFT} ${SLEEFDFT_MAXSHIFT} ${ISALIST_SP} > ${CMAKE_CURRENT_BINARY_DIR}/dispatchparam.h
DEPENDS ${TARGET_MKDISPATCH}
)
add_custom_target(dispatchparam.h_generated SOURCES ${CMAKE_CURRENT_BINARY_DIR}/dispatchparam.h)
Expand All @@ -269,7 +291,7 @@ foreach(T ${LIST_SUPPORTED_FPTYPE})
string(CONCAT S "dispatch" ${ST} ".hpp") # S is dispatchdp.hpp
add_custom_command(OUTPUT ${S}
COMMENT "Generating ${S}"
COMMAND $<TARGET_FILE:${TARGET_MKDISPATCH}> ${LT} ${CST} ${SLEEFDFT_MAXBUTWIDTH} ${SLEEFDFT_MAXSHIFT} ${ISALIST_${CST}} > ${S}
COMMAND $<TARGET_FILE:${TARGET_MKDISPATCH}> ${LT} ${CST} ${SLEEFDFT_MAXBUTWIDTH} ${SLEEFDFT_MINSHIFT} ${SLEEFDFT_MAXSHIFT} ${ISALIST_${CST}} > ${S}
DEPENDS ${TARGET_MKDISPATCH}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
)
Expand Down Expand Up @@ -305,6 +327,11 @@ add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/unroll1.cpp.in
DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/unroll1.cpp.in)
add_custom_target(unroll1.cpp.in.copied DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/unroll1.cpp.in)

add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/unroll2.cpp.in
COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/unroll2.cpp.in ${CMAKE_CURRENT_BINARY_DIR}
DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/unroll2.cpp.in)
add_custom_target(unroll2.cpp.in.copied DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/unroll2.cpp.in)

# Target unroll*.cpp

foreach(T ${LIST_SUPPORTED_FPTYPE})
Expand All @@ -323,7 +350,7 @@ foreach(T ${LIST_SUPPORTED_FPTYPE})
if(UNROLL_TARGET_${CST})
add_custom_command(OUTPUT ${UNROLL_TARGET_${CST}}
COMMENT "Generating ${UNROLL_TARGET_${CST}}"
COMMAND $<TARGET_FILE:${TARGET_MKUNROLL}> unroll0.cpp.in ${LT} ${CST} -1 ${ISALIST_${CST}}
COMMAND $<TARGET_FILE:${TARGET_MKUNROLL}> unroll0.cpp.in ${LT} ${CST} - ${ISALIST_${CST}}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
DEPENDS ${TARGET_MKUNROLL} unroll0.cpp.in.copied
)
Expand All @@ -348,6 +375,26 @@ foreach(T ${LIST_SUPPORTED_FPTYPE})
)
add_custom_target(unroll_target_${ST}_${I} DEPENDS ${UNROLL_TARGET_${CST}_${I}})
endforeach()

#

foreach(I ${LISTSHIFTSTR2})
foreach(E ${ISALIST_${CST}}) # E is "sse2dp"
foreach(N ${NLIST})
string(CONCAT UC unroll2_ ${N} _ ${E} _ ${I} ".cpp") # UC is "unroll2_0_sse2dp_1.cpp"
set(UNROLL2_TARGET_${CST}_${I} ${UNROLL2_TARGET_${CST}_${I}} ${UC})
endforeach()
endforeach()
message(STATUS "Unroll2 target for ${CST}_${I} : ${UNROLL2_TARGET_${CST}_${I}}")

add_custom_command(OUTPUT ${UNROLL2_TARGET_${CST}_${I}}
COMMENT "Generating ${UNROLL2_TARGET_${CST}_${I}}"
COMMAND $<TARGET_FILE:${TARGET_MKUNROLL}> unroll2.cpp.in ${LT} ${CST} -${I} ${ISALIST_${CST}}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
DEPENDS ${TARGET_MKUNROLL} unroll2.cpp.in.copied
)
add_custom_target(unroll2_target_${ST}_${I} DEPENDS ${UNROLL2_TARGET_${CST}_${I}})
endforeach()
endif()
endforeach()

Expand All @@ -360,7 +407,7 @@ foreach(T ${LIST_SUPPORTED_FPTYPE})

foreach(E ${ISALIST_${CST}}) # E is "sse2dp"
foreach(N ${NLIST})
string(CONCAT U unroll_ ${N} _ ${E}) # U is "unroll_0_sse2dp"
string(CONCAT U unroll_ ${N} _ ${E}) # U is "unroll_0_sse2dp"
string(CONCAT UG ${U} "_obj") # UG is "unroll_0_sse2dp_obj"
string(CONCAT UC ${U} ".cpp") # UC is "unroll_0_sse2dp.cpp"
add_library(${UG} OBJECT ${UC})
Expand All @@ -372,15 +419,28 @@ foreach(T ${LIST_SUPPORTED_FPTYPE})
list(APPEND UNROLL_OBJECTS $<TARGET_OBJECTS:${UG}>)

foreach(I ${LISTSHIFTSTR})
string(CONCAT U unroll_ ${N} _ ${E} _ ${I}) # U is "unroll_0_sse2dp_1"
string(CONCAT U unroll_ ${N} _ ${E} _ ${I}) # U is "unroll_0_sse2dp_1"
string(CONCAT UG ${U} "_obj") # UG is "unroll_0_sse2dp_1_obj"
string(CONCAT UC ${U} ".cpp") # UC is "unroll_0_sse2dp_1.cpp"
add_library(${UG} OBJECT ${UC})
set_target_properties(${UG} PROPERTIES ${COMMON_TARGET_PROPERTIES})
target_include_directories(${UG} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
target_compile_definitions(${UG} PRIVATE ${COMMON_TARGET_DEFINITIONS} ${MACRODEF_${E}})
target_compile_options(${UG} PRIVATE ${CFLAGS_${E}})
add_dependencies(${UG} ${TARGET_HEADERS} unroll_target_${ST})
add_dependencies(${UG} ${TARGET_HEADERS} unroll_target_${ST}_${I})
list(APPEND UNROLL_OBJECTS $<TARGET_OBJECTS:${UG}>)
endforeach()

foreach(I ${LISTSHIFTSTR2})
string(CONCAT U unroll2_ ${N} _ ${E} _ ${I}) # U is "unroll2_0_sse2dp_1"
string(CONCAT UG ${U} "_obj") # UG is "unroll2_0_sse2dp_1_obj"
string(CONCAT UC ${U} ".cpp") # UC is "unroll2_0_sse2dp_1.cpp"
add_library(${UG} OBJECT ${UC})
set_target_properties(${UG} PROPERTIES ${COMMON_TARGET_PROPERTIES})
target_include_directories(${UG} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
target_compile_definitions(${UG} PRIVATE ${COMMON_TARGET_DEFINITIONS} ${MACRODEF_${E}})
target_compile_options(${UG} PRIVATE ${CFLAGS_${E}})
add_dependencies(${UG} ${TARGET_HEADERS} unroll2_target_${ST}_${I})
list(APPEND UNROLL_OBJECTS $<TARGET_OBJECTS:${UG}>)
endforeach()
endforeach()
Expand Down
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