fix the cpp_builder error under riscv#167071
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🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/167071
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@pytorchbot label "release notes: jit" |
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@malfet @Skylion007 @albanD @EikanWang Hello, the PR is fix the cpp_builder error under riscv, could someone review the codes? Thanks. |
malfet
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Nov 7, 2025
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@malfet Thanks for the review, all CI checks are now passing. Now waiting for your approval to merge. :) |
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@pytorchbot merge -f "Lint + pull are green" |
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Merge startedYour change will be merged immediately since you used the force (-f) flag, bypassing any CI checks (ETA: 1-5 minutes). Please use Learn more about merging in the wiki. Questions? Feedback? Please reach out to the PyTorch DevX Team |
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**fix the cpp_builder error under riscv** `g++: error: ‘-march=native’: ISA string must begin with rv32 or rv64` (EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] File "/usr/local/lib64/python3.11/site-packages/torch/_inductor/cpp_builder.py", line 1718, in build (EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] run_compile_cmd(build_cmd, cwd=_build_tmp_dir) (EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] File "/usr/local/lib64/python3.11/site-packages/torch/_inductor/cpp_builder.py", line 401, in run_compile_cmd (EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] _run_compile_cmd(cmd_line, cwd) (EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] File "/usr/local/lib64/python3.11/site-packages/torch/_inductor/cpp_builder.py", line 396, in _run_compile_cmd (EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] raise exc.CppCompileError(cmd, output) from e (EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] torch._inductor.exc.InductorError: CppCompileError: C++ compile error (EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] (EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] Command: (EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] g++ /tmp/tmpv8qz53jp/header.hpp -D TORCH_INDUCTOR_CPP_WRAPPER -D STANDALONE_TORCH_HEADER -D C10_USING_CUSTOM_GENERATED_MACROS -fPIC -O3 -DNDEBUG -fno-trapping-math -funsafe-math-optimizations -ffinite-math-only -fno-signed-zeros -fno-math-errno -fexcess-precision=fast -fno-finite-math-only -fno-unsafe-math-optimizations -ffp-contract=off -fno-tree-loop-vectorize -march=native -Wall -std=c++17 -Wno-unused-variable -Wno-unknown-pragmas -fopenmp -I/usr/include/python3.11 -I/usr/local/lib64/python3.11/site-packages/torch/include -I/usr/local/lib64/python3.11/site-packages/torch/include/torch/csrc/api/include -D_GLIBCXX_USE_CXX11_ABI=1 -E -P -o /tmp/tmpv8qz53jp/header.i (EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] (EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] Output: (EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] g++: error: ‘-march=native’: ISA string must begin with rv32 or rv64 Pull Request resolved: pytorch#167071 Approved by: https://github.com/malfet
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fix the cpp_builder error under riscv
g++: error: ‘-march=native’: ISA string must begin with rv32 or rv64(EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] File "/usr/local/lib64/python3.11/site-packages/torch/_inductor/cpp_builder.py", line 1718, in build
(EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] run_compile_cmd(build_cmd, cwd=_build_tmp_dir)
(EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] File "/usr/local/lib64/python3.11/site-packages/torch/_inductor/cpp_builder.py", line 401, in run_compile_cmd
(EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] _run_compile_cmd(cmd_line, cwd)
(EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] File "/usr/local/lib64/python3.11/site-packages/torch/_inductor/cpp_builder.py", line 396, in _run_compile_cmd
(EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] raise exc.CppCompileError(cmd, output) from e
(EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] torch._inductor.exc.InductorError: CppCompileError: C++ compile error
(EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779]
(EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] Command:
(EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] g++ /tmp/tmpv8qz53jp/header.hpp -D TORCH_INDUCTOR_CPP_WRAPPER -D STANDALONE_TORCH_HEADER -D C10_USING_CUSTOM_GENERATED_MACROS -fPIC -O3 -DNDEBUG -fno-trapping-math -funsafe-math-optimizations -ffinite-math-only -fno-signed-zeros -fno-math-errno -fexcess-precision=fast -fno-finite-math-only -fno-unsafe-math-optimizations -ffp-contract=off -fno-tree-loop-vectorize -march=native -Wall -std=c++17 -Wno-unused-variable -Wno-unknown-pragmas -fopenmp -I/usr/include/python3.11 -I/usr/local/lib64/python3.11/site-packages/torch/include -I/usr/local/lib64/python3.11/site-packages/torch/include/torch/csrc/api/include -D_GLIBCXX_USE_CXX11_ABI=1 -E -P -o /tmp/tmpv8qz53jp/header.i
(EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779]
(EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] Output:
(EngineCore_DP0 pid=14414) ERROR 11-04 18:36:01 [core.py:779] g++: error: ‘-march=native’: ISA string must begin with rv32 or rv64
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