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ggml-cpu : add runtime rvv detection #17496

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ggml-cpu : add runtime rvv detection #17496

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4739e47
ggml-cpu : add runtime rvv detection
xctan Nov 25, 2025
c9d7ee3
fix racing stores when initializing
xctan Nov 27, 2025
e34e7a9
move rvv init stub to generic compile path
xctan Nov 27, 2025
e2e1e25
fix linkage warning
xctan Nov 27, 2025
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1 change: 1 addition & 0 deletions ggml/include/ggml-cpu.h
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Original file line number Diff line number Diff line change
Expand Up @@ -99,6 +99,7 @@ extern "C" {
GGML_BACKEND_API int ggml_cpu_has_sme (void);
// other
GGML_BACKEND_API int ggml_cpu_has_riscv_v (void);
GGML_BACKEND_API int ggml_cpu_get_riscv_vlen (void);
GGML_BACKEND_API int ggml_cpu_has_vsx (void);
GGML_BACKEND_API int ggml_cpu_has_vxe (void);
GGML_BACKEND_API int ggml_cpu_has_wasm_simd (void);
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1 change: 1 addition & 0 deletions ggml/src/ggml-cpu/CMakeLists.txt
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Expand Up @@ -442,6 +442,7 @@ function(ggml_add_cpu_backend_variant_impl tag_name)
list(APPEND GGML_CPU_SOURCES
ggml-cpu/arch/riscv/quants.c
ggml-cpu/arch/riscv/repack.cpp
ggml-cpu/arch/riscv/rvv-init.cpp
)
if (GGML_CPU_RISCV64_SPACEMIT)
target_compile_definitions(${GGML_CPU_NAME} PRIVATE GGML_USE_CPU_RISCV64_SPACEMIT ${RISCV64_SPACEMIT_IME_SPEC})
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