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Add Loongson Advanced SIMD Extension support: -DCPU_BASELINE=LASX

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* Add Loongson Advanced SIMD Extension support: -DCPU_BASELINE=LASX
* Add resize.lasx.cpp for Loongson SIMD acceleration
* Add imgwarp.lasx.cpp for Loongson SIMD acceleration
* Add LASX acceleration support for dnn/conv
* Add CV_PAUSE(v) for Loongarch
* Set LASX by default on Loongarch64
* LoongArch: tune test threshold for Core/HAL.mat_decomp/15

Co-authored-by: shengwenxue <shengwenxue@loongson.cn>
This commit is contained in:
wxsheng
2022-09-10 14:39:43 +08:00
committed by GitHub
parent 866191478f
commit 4154bd0667
24 changed files with 5071 additions and 6 deletions
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cmake/OpenCVCompilerOptimizations.cmake
+7
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@@ -50,6 +50,7 @@ list(APPEND CPU_ALL_OPTIMIZATIONS NEON VFPV3 FP16 NEON_DOTPROD)
list(APPEND CPU_ALL_OPTIMIZATIONS MSA)
list(APPEND CPU_ALL_OPTIMIZATIONS VSX VSX3)
list(APPEND CPU_ALL_OPTIMIZATIONS RVV)
list(APPEND CPU_ALL_OPTIMIZATIONS LASX)
list(REMOVE_DUPLICATES CPU_ALL_OPTIMIZATIONS)
ocv_update(CPU_VFPV3_FEATURE_ALIAS "")
@@ -380,6 +381,12 @@ elseif(RISCV)
set(CPU_DISPATCH "RVV" CACHE STRING "${HELP_CPU_DISPATCH}")
set(CPU_BASELINE "RVV" CACHE STRING "${HELP_CPU_BASELINE}")
elseif(LOONGARCH64)
ocv_update(CPU_LASX_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_lasx.cpp")
ocv_update(CPU_KNOWN_OPTIMIZATIONS "LASX")
ocv_update(CPU_LASX_FLAGS_ON "-mlasx")
set(CPU_BASELINE "LASX" CACHE STRING "${HELP_CPU_BASELINE}")
endif()
# Helper values for cmake-gui