maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

feat(ldpc_encoder_optim8segmulti): Improvements for Arm Neoverse

Browse Source 
Use 128 bit SIMD in packing and unpacking segment bits in bytes
Adapt compiler options for Neoverse.
This commit is contained in:
Raymond Knopp
2025-05-13 14:08:33 +00:00
committed by Romain Beurdouche
parent 8964fdb6a2
commit a4c950774b
2 changed files with 68 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
CMakeLists.txt
+14 -2
View File
@@ -108,6 +108,7 @@ add_list_string_option(CMAKE_BUILD_TYPE "RelWithDebInfo" "Choose the type of bui
# -so to avoid AVX512 instructions generation by gcc
if(EXISTS "/proc/cpuinfo" AND NOT CROSS_COMPILE)
file(STRINGS "/proc/cpuinfo" CPUFLAGS REGEX flags LIMIT_COUNT 1)
file(STRINGS "/proc/cpuinfo" CPUPART REGEX "CPU part" LIMIT_COUNT 1)
else()
message(WARNING "did not find /proc/cpuinfo -- not setting any x86-specific compilation variables")
endif()
@@ -146,9 +147,20 @@ elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
set(C_FLAGS_PROCESSOR "${C_FLAGS_PROCESSOR} -DSIMDE_X86_SSSE3_NATIVE")
endif()
elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "armv7l")
set(C_FLAGS_PROCESSOR "${C_FLAGS_PROCESSOR} -gdwarf-2 -mfloat-abi=hard -mfpu=neon -lgcc -lrt")
set(C_FLAGS_PROCESSOR "${C_FLAGS_PROCESSOR} -gdwarf-2 -mfloat-abi=hard -mfpu=neon -lgcc -lrt")
elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
set(C_FLAGS_PROCESSOR "${C_FLAGS_PROCESSOR} -gdwarf-2 -lgcc -lrt")
# Neoverse CPU part codes available at https://github.com/util-linux/util-linux/blob/master/sys-utils/lscpu-arm.c
if (CPUPART MATCHES "0xd40") # Neoverse-V1
set(C_FLAGS_PROCESSOR "${C_FLAGS_PROCESSOR} -gdwarf-2 -mcpu=neoverse-v1 -lgcc -lrt")
elseif (CPUPART MATCHES "0xd4f") # Neoverse-V2
set(C_FLAGS_PROCESSOR "${C_FLAGS_PROCESSOR} -gdwarf-2 -mcpu=neoverse-v2 -ftree-vectorize -lgcc -lrt")
elseif (CPUPART MATCHES "0xd0c") # Neoverse-N1
set(C_FLAGS_PROCESSOR "${C_FLAGS_PROCESSOR} -gdwarf-2 -mcpu=neoverse-n1 -lgcc -lrt")
elseif (CPUPART MATCHES "0xd49") # Neoverse-N2
set(C_FLAGS_PROCESSOR "${C_FLAGS_PROCESSOR} -gdwarf-2 -mcpu=neoverse-n2 -ftree-vectorize -lgcc -lrt")
else ()
set(C_FLAGS_PROCESSOR "${C_FLAGS_PROCESSOR} -gdwarf-2 -mcpu=native -lgcc -lrt")
endif()
else()
message(FATAL_ERROR "compile for CPU architecture ${CPUARCH}, CMAKE_SYSTEM_PROCESSOR ${CMAKE_SYSTEM_PROCESSOR}")
endif()