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ggml : riscv: add 128-bit RVV support #12530

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Merged
merged 4 commits into from
Mar 27, 2025
Merged

ggml : riscv: add 128-bit RVV support #12530

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4fac0d0
ggml : add 128-bit RVV support
xctan Mar 21, 2025
de8387e
ggml : revert to old RVV 256+ q2_K, q3_K, q4_K, q6_K impl
xctan Mar 21, 2025
0b43956
remove trailing whitespaces
xctan Mar 23, 2025
d1cac3d
restructure vector length selection code
xctan Mar 25, 2025
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1 change: 1 addition & 0 deletions ggml/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -123,6 +123,7 @@ endif()
option(GGML_LASX "ggml: enable lasx" ON)
option(GGML_LSX "ggml: enable lsx" ON)
option(GGML_RVV "ggml: enable rvv" ON)
option(GGML_RV_ZFH "ggml: enable riscv zfh" OFF)
option(GGML_VXE "ggml: enable vxe" ON)

option(GGML_CPU_ALL_VARIANTS "ggml: build all variants of the CPU backend (requires GGML_BACKEND_DL)" OFF)
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6 changes: 5 additions & 1 deletion ggml/src/ggml-cpu/CMakeLists.txt
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Expand Up @@ -320,7 +320,11 @@ function(ggml_add_cpu_backend_variant_impl tag_name)
elseif (${CMAKE_SYSTEM_PROCESSOR} MATCHES "riscv64")
message(STATUS "RISC-V detected")
if (GGML_RVV)
list(APPEND ARCH_FLAGS -march=rv64gcv -mabi=lp64d)
if (GGML_RV_ZFH)
list(APPEND ARCH_FLAGS -march=rv64gcv_zfhmin -DGGML_RV_ZFH -mabi=lp64d)
else()
list(APPEND ARCH_FLAGS -march=rv64gcv -mabi=lp64d)
endif()
endif()
elseif (${CMAKE_SYSTEM_PROCESSOR} MATCHES "s390x")
message(STATUS "s390x detected")
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